Iowa State University

Iowa State University

College of Liberal Arts and Sciences

Department of Geological and Atmospheric Sciences

Got a question or comment?
Contact us at 515-294-4477 (geology) or 515-294-4758 (meteorology)
geology@iastate.edu
Meteorology Undergrad Program
Meteorology Graduate Program

Carl Jacobson
Chair
Department of Geological & Atmospheric Sciences
253 Science I
Ames, Iowa 50011

FAX: 515-294-6049

William Gallus
Professor-in-Charge
Meteorology Program
3010 Agronomy Hall
515-294-2270


Paul G. Spry


Professor
Department of Geological and Atmospheric Sciences
253 Science I
Iowa State University
Ames, Iowa 50011-3212
Telephone :(515) 294-9637
Fax: (515) 294-6049
E-mail: pgspry@iastate.edu

Education
B.S. 1976, University of Adelaide, South Australia
B.S. (Hons.) 1977, University of Adelaide, South Australia
M.S. 1979, University of Adelaide, South Australia
Ph.D. 1984, University of Toronto, Canada

Professional Positions
1997-2001- Chair, Department of Geological and Atmospheric Sciences, I.S.U.
1995-present - Professor, I.S.U.
1995-1997 & 2001-2002 - Associate Chair, Department of Geological and Atmospheric Sciences, I.S.U
Associate Director, Iowa State Mining and Mineral Resources Research Institute
1995-1996 - Associate Director, Center for Coal and the Environment, I.S.U.
1988-1995 -Associate Professor, I.S.U.
1983-1988 - Assistant Professor, I.S.U.
1978-1982 - Teaching Assistant, University of Toronto
1982 (summer) - Geologist, Pan Ocean Oil Ltd., Canada
1981 (summer) - Geologist, Rio Tinto Canadian Exploration Ltd., Canada
1980 (summer) - Geologist, Falconbridge Nickel Mines Ltd., Canada
1977-1978 - Laboratory Instructor, University of Adelaide
1975 (summer) - Geologist, South Australian Department of Mines
1974 (summer) - Geologist, Renison Limited, Australia

Scholarships and Academic Awards
Nominated: Mid-Career Achievement Award for Research, Iowa State University, 1992 and 1994
University of Toronto Bursary, 1983
Ontario Graduate Scholarships, University of Toronto, 1980‑1982
H. V. Ellsworth Scholarship, University of Toronto, 1979‑1980
Connaught Scholarship, University of Toronto, 1978‑1979
George Murray Travel Grant, University of Adelaide, 1978
Commonwealth Postgraduate Research Award, University of Adelaide, 1977-1978
Tate Memorial Medal, University of Adelaide, 1977
James Barrans Scholarship, University of Adelaide, 1976
Utah Development Company Scholarship, University of Adelaide, 1975‑1976
Western Mining Corporation Scholarship, University of Adelaide, 1975‑1976
Australian Institute Mining and Metallurgy Bursaries, University of Adelaide, 1973‑1976
Commonwealth University Scholarship, University of Adelaide, 1973‑1975

Professional Affiliations
Society of Economic Geologists (Fellow)
Society for Geology Applied to Mineral Deposits (Member)
International Association on the Genesis of Ore Deposits (Member)
Mineralogical Association of Canada (Member)
Geological Society of America (Member)
Mineralogical Society of America (Member)

Publications
Books

  1. Spry, P.G., and Gedlinske, B.L., 1987, Tables for the determination of opaque minerals: Economic Geology Publishing Company, 52 p. (in English and Arabic). Reprinted in English as a CD in 2004.
  2. Spry, P.G., and Bryndzia, L.T., 1990, Regional metamorphism of ore deposits and genetic implications: VSP, Utrecht, The  Netherlands, 243 p (editor).
  3. Spry, P.G., Marshall, B., and Vokes, F.M., 2000, Metamorphosed and metamorphogenic ore deposits. Reviews in Economic Geology, Volume 11. El-Paso, Economic Geology Publishing Company, 310 p (editor).

Book Chapter

  1. Spry, P.G., and Kutz, K.B., 1988, A fluid inclusion and stable isotope study of minor Upper Mississippi Valley‑type sulfide mineralization in Iowa, Wisconsin and Illinois, in Ludvigson G.A. and Bunker, B.J., eds., New perspectives on the Paleozoic history of the Upper Mississippi Valley: An examination of the Plum River Fault Zone: Iowa Department of Natural Resources, Geological Survey Bureau Guidebook No. 8, p. 145‑160.
  2. Ludvigson, G.A., and Spry, P.G., 1990, Tectonics and paleohydrologic significance of carbonate veinlets in the Keweenawan sedimentary rocks of the Amoco M.G. Eischeid #1 drillhole, in Anderson, R.R., ed., The Amoco M.G. Eisheid #1 deep petroleum test, Carroll County, Iowa: Preliminary Investigations: Iowa Department of Natural Resources, Special Report Series No. 2, p. 153‑168.
  3. Spry, P.G., 1990, The genetic relationship between coticules and metamorphosed massive sulfide deposits, in Spry P.G. and Bryndzia L.T., eds., Regional metamorphism of ore deposits and genetic implications, VSP, Utrecht, The Netherlands, p. 49‑75.
  4. Zhang, X., and Spry, P.G., 1991, Mineralogical and fluid inclusion characteristics of the epithermal Gies gold‑silver telluride deposit, Judith Mountains, Fergus County, Montana: A preliminary study, in Baker, D.W., and Berg, R.B., eds., Guidebook of the central Montana alkalic belt, Montana Bureau of Mines and Geology Special Publication 100, p. 63‑76.
  5. Spry, P.G., 2000, Sulfidation and oxidation haloes as guides in the exploration for metamorphosed massive sulfide deposits. Reviews in Economic Geology, v. 11, Chp. 7, p. 149-161.
  6. Spry, P.G., Peters, J., and Slack, J.F., 2000, Meta-exhalites as keys in the search for metamorphosed ore deposits. Reviews in Economic Geology, v. 11, Chp. 8, p. 163-201.
  7. Marshall, B., and Spry, P.G., 2000, Discriminating between regional metamorphic remobilization and syn-tectonic emplacement in the genesis of massive sulfide ores. Reviews in Economic Geology, v. 11, Chp. 3, p. 39-79.
  8. Vokes, F.M., Marshall, B., and Spry, P.G., 2000, Metamorphosed and metamorphogenic ore deposits: Preface. Reviews in Economic Geology, v. 11, p. iv.
  9. Lee, H., Cody, R.D., Spry, P.G., and Cody, A.M., 2001, Mechanisms involving expansive mineral growth causing Iowa highway concrete deterioration, in Hagni, R.D. (ed.) Studies on Ore Deposits, Mineral Economics, and Applied Mineralogy: With Emphasis on Mississippi Valley-Type Base Metal and Carbonatite-Related Ore Deposits: University of Missouri-Rolla Press, Rolla, p. 384-396.

Refereed Papers

  1. Spry, P.G., 1982, An unusual gahnite‑forming reaction, Geco base‑metal deposit, Manitouwadge, Ontario: Canadian Mineralogist, v. 20, p. 549‑553.
  2. Seccombe, P.K., Spry, P.G., Jones, M., Both, R.A., and Schiller, J., 1985, Base metal mineralization in the Kanmantoo Group: A regional sulfur isotope study: Economic Geology, v. 80, p. 1824‑1841.
  3. Spry, P.G., and Scott, S.D., 1986, The stability, synthesis, origin and exploration significance of zincian spinels: Economic Geology, v. 81, p. 1446‑1463.
  4. Spry, P.G., and Scott, S.D., 1986, Zincian spinels and staurolites in the Appalachians and Scandinavian Caledonides: Canadian Mineralogist, v. 24, p. 147‑163.
  5. Spry, P.G., 1987, Zoning in zincian spinels: Canadian Mineralogist, v. 25, p. 97‑104. 
  6. Spry, P.G., 1987, A sulphur isotope study of the Broken Hill Pb‑Zn‑Ag deposit, New South Wales, Australia: Mineralium Deposita, v. 22, p. 109‑115.
  7. Spry, P.G., 1987, A fluid inclusion and sulfur isotope study of precious and base metal mineralization spatially associated with the Patch and Gold Cup breccia pipes, Central City, Colorado: Economic Geology v. 82, p. 1632‑1639.
  8. Spry, P.G., 1987, The chemistry and origin of zincian spinel associated with the Aggeneys Cu‑Pb‑Zn‑Ag deposits, Namaqualand, South Africa: Mineralium Deposita, v. 22, p. 262‑268.
  9. Spry, P.G., Schiller, J.C., and Both, R.A., 1988, Structure and metamorphic setting of base metal mineralisation in the Kanmantoo Group, South Australia: Bulletin of the Proceedings of the Australasian Institute of Mining and Metallurgy, v. 293, p. 57‑65.
  10. Wonder, J.D., Spry, P.G., and Windom, K.E., 1988, Geochemistry and origin of manganese‑rich rocks related to iron‑formation and sulfide deposits, western Georgia: Economic Geology, v. 83, p. 1070‑1081.
  11. Bryndzia, L.T., Scott, S.D., and Spry, P.G., 1988, Experimental calibration of the sphalerite‑pyrrhotite geobarometer and its application to the Broken Hill Pb‑Zn‑Ag deposit, Australia: Economic Geology, v. 83, p. 1193‑1203.
  12. Spry, P.G., and Petersen, E.U., 1989, Zincian högbomite and its potential as an exploration guide to metamorphosed massive sulphide deposits: Mineralogical Magazine, v. 53, p. 263‑269.
  13. Spry, P.G, and Wonder, J.D., 1989, Manganoan garnet‑rich rocks associated with the Broken Hill lead‑zinc‑silver deposit, New South Wales, Australia: Canadian Mineralogist, v. 27, p. 275‑292.
  14. Kutz, K.B., and Spry, P.G., 1989, The genetic relationship between Upper Mississippi Valley lead‑zinc mineralization and minor base metal mineralization in Iowa, Wisconsin and Illinois: Economic Geology, v. 85, 2139‑2154.
  15. Spry, P.G., Richardson, C.K., Koellner, M.S., and Jones, H., 1990, Thermochemical changes in the ore fluid during deposition at the Denton mine, Cave‑in‑Rock fluorspar district, Illinois: Economic Geology, v. 85, 172‑181.
  16. Bryndzia, L.T., Scott, S.D., and Spry, P.G., 1990, The sphalerite and hexagonal pyrrhotite geobarometer: Correction in calibration and application: Economic Geology, v. 85, 408‑411.
  17. Zhang, X., and Spry, P.G., 1994, FO2PH: A Quickbasic program to calculate mineral stabilities and sulfur isotope contours in logfO2-pH space. Mineralogy and Petrology, v. 50, 287-291.
  18. Spry, P.G., Merlino, S., Wang, S., Zhang, X., and Buseck, P., 1994, New occurrences and refined crystal chemistry of colusite, with comparisons to arsenosulvanite. American Mineralogist, 79, 750-762.
  19. Spry, P.G., and Fuhrmann, G.D., 1994, Additional fluid inclusion data for the Illinois-Kentucky fluorspar district: Implications for the lack of a regional thermal gradient. Economic Geology, v. 89, 288-306.
  20. Zhang, X., and Spry, P.G., 1994, Petrological, mineralogical, fluid inclusion and stable isotope studies of the Gies gold-silver telluride deposit, Judith Mountains, Montana. Economic Geology, v. 89, 602-628.
  21. Zhang, X., and Spry, P.G., 1994, Calculated stability of aqueous tellurium species, calaverite and hessite at elevated temperatures. Economic Geology, v. 89, 1152-1166.
  22. Chesley, J.T., Halliday, A.N., Kyser, T.K., and Spry, P.G., 1994, Direct dating of Mississippi Valley-type mineralization: use of Sm/Nd in fluorite. Economic Geology, v. 89, 1192-1199.
  23. Gan, G.-L., Spry, P.G., Cody, R.D., and Cody, A.M., 1996, Rim formation on Iowa highway concrete dolomite aggregate: The effects of dedolomitization reactions. Environmental and Engineering Geoscience, v. 2, 59-72.
  24. Spry, P.G., Paredes, M.M., Foster, F., Truckle, J., and Chadwick, T.H., 1996, A genetic link between gold-silver telluride and porphyry molybdenum mineralization at the Golden Sunlight deposit, Whitehall, Montana: Fluid inclusion and stable isotope studies: Economic Geology, v. 91, 507-526.
  25. Cody, R.D., Cody, A.M., Spry, P.G., and Gan, G.-L., 1996, Experimental deterioration of concrete by chloride deicing salts. Environmental and Engineering Geoscience, v. 2, 575-588.
  26. Spry, P.G., and Thieben, S.E., 1996, Two occurrences of benleonardite, a rare silver-tellurium sulfosalt, and a possible new occurrence of cervelleite. Mineralogical Magazine, v. 60, 871-876.
  27. Spry, P.G., Foster, F., Truckle, J., and Chadwick, T.H., 1997, The mineralogy of the Golden Sunlight gold-silver telluride deposit, Montana, U.S.A. Mineralogy and Petrology, v. 53, 143-164.
  28. Cook, N.J., Spry, P.G., and Vokes, F.M., 1998, Mineralogy and paragenetic relationships among sulphosalts and related minerals in the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway. Mineralium Deposita, v. 34, 35-56.
  29. Rosenberg, J.L., Spry, P.G., Jacobson, C.E., Cook, N.J., and Vokes, F.M., 1998, Thermobarometry as applied to the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway. Mineralium Deposita, v. 34, 19-34.
  30. Rosenberg, J.L., Spry, P.G., Jacobson, C.E., and Vokes, F.M., 2000, An evaluation of metamorphic sulfidation and oxidation reactions in and adjacent to the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway.  Mineralium Deposita, v. 35, 714-72
  31. Spry, P.G., and Thieben, S. E., 2000, The distribution and recovery of gold in the Golden Sunlight gold-silver telluride deposit, Montana, U.S.A. Mineralogical Magazine, v. 64, 31-42.Lee, H., Cody, R.D., Cody, A.M., and Spry, P.G., 2002, Observations on brucite formation and the role of brucite in the deterioration of Iowa highway concrete. Environmental and Engineering Geoscience, v. 8, 137-145.
  32. Shackleton, J.L, and Spry, P.G. 2003, Antimony-rich montbrayite ((Au,Sb)2Te3) from the Golden Mile, Western Australia, and its compositional implications. Neues Jahrbuch fur Mineralogie Monatshefte, v. 2003/ 3, p. 113-125.
  33. Pals, D.W., Spry, P.G., and Chryssoulis, S., 2003, Invisible gold and tellurium in arsenic-rich pyrite from the Emperor gold deposit, Fiji: Implications for gold distribution and deposition. Economic Geology, v. 98, p. 493-514.
  34. Lee, H., Cody, R.D., Cody, A.M., and Spry, P.G., 2003, Reduction of concrete expansion by ettringite using crystallization inhibition techniques. Environmental and Engineering Geoscience, v. 9, p. 337-350
  35. Pals, D.W. and Spry, P.G., 2003, Telluride mineralogy of the low-sulfidation epithermal Emperor gold deposit, Vatoukola, Fiji. Mineralogy and Petrology, v. 79, p. 285 - 307.
  36. Shackleton, J.M. Spry, P.G., and Bateman, R., 2003, Telluride mineralogy of the Golden Mile, Kalgoorlie, Western Australia. Canadian Mineralogist, v. 41, 1503-1524.
  37. Tombros, S., Seymour, K., and Spry, P.G., 2004, Description and conditions of formation of Ag-Cu and Ag-Cu-Au sulfotellurides from epithermal polymetallic Ag-Au-Te mineralization, Tinos Island, Greece. Neues Jahrbuch fur Mineralogie Abhandlungen, v. 179, p. 295-310.
  38. Cody, A.M., Lee, H., Cody, R.D., and Spry, P.G. 2004, The effects of chemical environment on the nucleation, growth, and stability of ettringite. Journal of Cement and Concrete, v. 34, p. 869-881.
  39. Bindi, L., Spry, P.G., and Cipriani, C., 2004, Empressite, AgTe, from the Empress-Josephine mine, Colorado: Composition, physical properties and determination of the crystal structure. American Mineralogist, v. 89, p.1043-1047
  40. Spry, P.G., Chryssoulis, S., and Ryan, C. G., 2004, Process mineralogy of gold: Gold telluride-bearing ores. Journal of Metals, August, 62-65.
  41. Lee, H., Cody, R.D., Cody, A.M., and Spry, P.G., 2005, The formation and role of ettringite in Iowa highway concrete deterioration.  Journal of Cement and Concrete, v. 35, p. 332-343.
  42. Bindi, L., Rossell, M.D., Van Tendeloo, G., Spry, P.G. and Cipriani, C., 2005, Inferred phase relations in part of the system Au-Ag-Te: an integrated analytical study of gold ore from the Golden Mile, Kalgoorlie, Australia. Mineralogy and Petrology, v. 83, p. 283-293.
  43. Heimann, A., Spry, P.G., and Teale, G.S., 2005, Zinc-rich spinels associated with Proterozoic base metal sulfide occurrences, Colorado, and their use as guides to metamorphosed massive sulfide deposits. Canadian Mineralogist, v. 43, p. 601-622.
  44. Tombros, S., Seymour, K., and Spry, P.G., 2005, Description and conditions of formation of zincian greenockite in epithermal polymetallic Ag-Au-Te mineralization, Tinos Island, Greece. Neues Jahrbuch fur Mineralogie Abhandlungen, v. 182, p. 1-9.
  45. Bindi, L., Spry, P.G., and Pratesi, G., 2006, Lenaite, AgFeS2, from the Gies gold-silver telluride deposit, Judith Mountains, Montana, U.S.A.: Composition, physical properties and determination of the crystal structure. Canadian Mineralogist, v. 44, p. 207-212.
  46. Scherbarth, N.L., and Spry, P.G., 2006, Mineralogical, petrological, stable isotope, and fluid inclusion characteristics of the Tuvatu gold-silver telluride deposit, Fiji: Comparisons with the Emperor deposit. Economic Geology, v. 101, p. 135-158
  47. Spry, P.G., and Scherbarth, N.L., 2006, Vanadium silicates and oxides in the Tuvatu gold-silver telluride deposit, Fiji. Mineralogy and Petrology, v. 87, p. 171-186.
  48. Ciobanu, C.L., Cook, N.J., and Spry, P.G., 2006, Preface – Special Issue: Telluride and selenides minerals in gold deposits – how and why? Mineralogy and Petrology, v. 87, p. 163-169.
  49. Heimann, A., Spry, P.G., Teale, G.S., and Jacobson, C.E., 2006, Coronas, symplectite textures, and reactions involving aluminous minerals in gedrite-cordierite gneisses from Evergreen, Front Range, Colorado. Canadian Mineralogist, v. 44, 1025-1044.
  50. Pals, D.W. and Spry, P.G., 2007, Telluride mineralogy of the low-sulfidation epithermal Emperor gold deposit, Vatoukola, Fiji – a reply.  Mineralogy and Petrology, v. 90, p. 155-156 (DOI[]10.1007/s00710-006-0170-4).
  51. Bindi, L., Evain, M., Spry, P.G., and Menchetti, S., 2007, Proposal for new nomenclature rules belonging to the pearceite-polybasite group. American Mineralogist, v. 92, p. 918-925.
  52. Spry, P.G., Heimann, A., Messerly, J., and Houk, R.S., 2007, Discrimination of metamorphic and metasomatic processes at the Broken Hill Pb-Zn-Ag deposit, Australia: Rare earth element signatures of garnet-rich rocks. Economic Geology, v. 102, p. 471-494.
  53. Tombros, S., Seymour, K. St., Williams-Jones, A.E., and Spry, P.G., 2007, The genesis of epithermal Au-Ag-Te mineralization, Panormos Bay, Tinos Island, Greece. Economic Geology, v. 102, p. 1269-1294.
  54. Bindi, L. Evain, M., Spry, P.G., Tait, K.T., and Menchetti, S., 2007, Structural role of copper in the minerals of the pearceite-polybasite group: The case of the new minerals cupropearceite and cupropolybasite. Mineralogical Magazine, v. 71, p. 641-650.
  55. Voudouris, P., Melfos, V., Spry, P. G., Bonsall, T., A., Tarkian, M., and Economou-Eliopoulos, M., 2008, Mineralogical study and constraints on fluid evolution in the Plaka-related ore system, Lavrion, Greece.  Mineralogy and Petrology, v. 93, p. 79-110.  
  56. Bindi, L., Bonazzi, P., and Spry, P.G., 2008, Effects of the Se→S substitution on the crystal structure of laphamite [As2(Se,S)3]. Canadian Mineralogist, v. 46, p. 269-274.
  57. Voudouris, P., Melfos, V., Spry, P. G., Bonsall, T., A., Tarkian, M., and Solomos, C., 2008, Mineralogical and fluid inclusion study of the Kamariza carbonate-replacement deposit, Lavrion, Greece.  Mineralogy and Petrology, v. 80, DOI 1007/s00710-008-0007-4.
  58. Spry, P.G., Plimer, I.R., and Teale, G.S. 2008, Did the giant Broken Hill (Australia) Zn-Pb-Ag deposit melt? Ore Geology Reviews, DOI 10.1016/joregeorev.2007.11.001.

Refereed Proceedings Papers

  1. Spry, P.G., and Fuhrmann, G.D., 1993, Fluid inclusion evidence for multiple fluids during precipitationof bedded-replacement deposits in the Illinois-Kentucky fluorspar district, in Shelton, K.L., and Hagni, R.D., eds., Mineralogy and Geochemistry of MVT Deposits: University of Missouri-Rolla Press, Rolla, p. 87-94.
  2. Spry, P.G., Rosenberg, J.L., Jacobson, C.E., and Vokes, F.M., 1995, A metamorphic sulphidation oxidation halo associated with the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway, in Pašava, J., Kríbek, B., and Zák, K., eds., Mineral deposits: From their origin to their environmental impacts: A.A. Balkema, Rotterdam, p. 909-912.
  3. Thieben, S.E., and Spry, P.G., 1995, The geology and geochemistry of Cretaceous-Tertiary alkaline igneous rock-related gold-silver telluride deposits of Montana, USA, in Pašava, J., Kríbek, B., and Zák, K., eds., Mineral deposits: From their origin to their environmental impacts: A.A. Balkema, Rotterdam, p. 199-202.
  4. Spry, P.G., Gan, G.-L., Cody, R.D., and Cody, A.M., 1996, The formation of rims on dolomite aggregate in Iowa highway concrete. 1996 Semisesquicentennial Transportation Conference Proceedings, Ames, Iowa, p. 8-12.
  5. Cody, R.D., Cody, A.M., Spry, P.G., and Gan, G.-L., 1996, Experimental studies of the deterioration of highway concretes by deicing salts. 1996 Semisesquicentennial Transportation Conference Proceedings, Ames, Iowa, p. 4-7.
  6. Lee, H., Cody, A.M., Cody, R.D., and Spry, P.G., 1998, PCC pavement deterioration and expansive mineral growth. Crossroads 1998 Conference Proceedings, p. 71-76.
  7. Spry, P.G., 1999, The spatial and temporal distribution of tellurides in and stable tellurium isotope systematics of the Kalgoorlie, Western Australia, in Bateman, R. (ed.), Structure, geochemistry, mineralogy and mineral chemistry of alteration in the Fimiston gold deposit, Kalgoorlie, First International Conference on Golden Mile Alteration, Proceedings, Kalgoorlie, W.A., p. 16-26.
  8. Cook, N.J., and Spry, P.G., 1999, Sulphur isotope characteristics of remobilized ores from the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway, in Stanley, C.J. (ed.), Mineral deposits: Processes to processing: A.A. Balkema, Rotterdam, p. 939-942.
  9. Spry, P.G., and Thieben, S.E., 1999, The geological, mineralogical, and geochemical characteristics of the Golden Sunlight gold-silver telluride deposit, Montana, U.S.A., in Stanley, C.J. (ed.), Mineral deposits: Processes to processing: A.A. Balkema, Rotterdam, p. 197-200
  10. Lee, H., Cody, A.M., Cody, R.D., and Spry, P.G., 2000, Effects of various deicer chemicals on pavement concrete deterioration. Mid-Continent Transportation Crossroads Symposium, Proceedings, Ames, Iowa, p. 151-155.
  11. Pals, D.W., Spry, P.G., and Chryssoulis, S., 2001, Unusually high sub-microscopic gold and arsenic contents of pyrite from the Emperor gold deposit, Fiji, in Piestrzyñski, A. et al., (eds.), Mineral Deposits at the Beginning of the 21st Century: A.A. Balkema, Lisse, p. 799-803.
  12. Bonsall, T.A., Spry, P.G., Voudouris, P., St. Seymour, K., Tombros, S., and Melfos, V., 2007, Fluid inclusion and stable isotope characteristics of carbonate replacement Pb-Zn-Ag deposits in the Lavrion district, Greece, in Andrews, C.J.,  et al., (eds.), Mineral Exploration and Research: Digging Deeper: Irish Association for Economic Geology, Dublin, p. 283-286.
  13. Tombros, S.F., St. Seymour, K. St., Zouzias, Mastrakas, N., Spry, P.G., and Williams-Jones, A.E., 2007, The evolution of a W, Au-Ag-Te and Au-Ag hydrothermal system, Tinos Island, Cyclades, Greece, in Andrews, C.J.,  et al., (eds.), Mineral Exploration and Research: Irish Association for Economic Geology, Dublin, p. 641-644.
  14. Tombros, S.F., St. Seymour, K. St., Spry, P.G., and Williams-Jones, A.E., 2007, Karakasi mines, Hermione, evolution of a Cyprus-type Cu-Zn deposit, Argolis, Hellas, in Andrews, C.J.,  et al., (eds.), Mineral Exploration and Research: Digging Deeper: Irish Association for Economic Geology, Dublin, p. 897-900.
  15. Voudouris, P., Spry, P.G., Melfos, V., and Alfieris, D., 2007, Tellurides and bismuth sulfosalts in gold occurrences of Greece: mineralogy and genetic considerations, in Kojonen, K. K., Cook, N.J.,  and V.J. Ojala (eds.), Au-Ag-Te-Se deposits, Proceedings of the 2007 Field Workshop (Espoo, Finland, August 26-31, 2007). Geological Survey of Finland Guidebook 53, p. 85-95.
  16. Jensen, E.J., and Spry, P.G., 2007, Geology of the Cripple Creek gold-telluride deposit.  Geological Society of America Field Trip Guidebook (October 27, 2007; Denver, Colorado), 69 pages

Book Reviews

  1. Spry, P.G., 1991, Principles and applications of inorganic geochemistry by Gunter Faure, Macmillan 626 p., in Economic Geology, v. 86, 1370-1371.
  2. Spry, P.G., 2007, Oro by Luca Bindi.  Firenze University Press, 80 pages. ISBN 978-88-8453-673-2 (print); ISBN 978-88-8453-638-9 (online).

Unpublished Reports

  1. Spry, P.G., 1980, The genetic and stratigraphic relationship between Pb-Zn-Ag mineralization and spatially associated lithologies in the Willyama Complex, N.S.W., Australia. Confidential report to Falconbridge Nickel Mining Company, 7 pages.
  2. Spry, P.G., 1980, Geology of the English River Gneiss Belt and the Quetico Metasedimentary Belt, Ontario, Canada. Final report to Falconbridge Nickel Mining Company, 45 pages.
  3. Spry, P.G., 1993, A fluid inclusion and multi-element study of the Golden Sunlight deposit.  Progress report to Golden Sunlight Mines Inc., 19 pages.
  4. Cody, R.D., Spry, P.G., and Cody, A.M., 1993, The role of magnesium in concrete deterioration. Progress report to the Iowa Highway Research Board, 10 pages.
  5. Cody, R.D., Spry, P.G., Cody, A.M., and Gan, G.-L., 1994, The role of magnesium in concrete deterioration. Final report to the Iowa Highway Research Board (Iowa DOT HR-355), 171 pages and 32 page appendix
  6. .Spry, P.G., and Thieben, S.E., 1996, Mineralogical study of concentrate from stages 3-5 pits, Golden Sunlight deposit, Montana. Final report to Golden Sunlight Mines, Inc. (Placer Dome U.S.A.), 29 pages.
  7. Spry, P.G., and Thieben, S.E., 1996, A preliminary mineralogical study of recent deep drill core, Golden Sunlight deposit. Report to Golden Sunlight Mines, Inc. (Placer, U.S.A.), 22 pages.
  8. Spry, P.G., Baldwin, J.P., and Thieben, S.E., 1996, Low gold recoveries in the western part of the Mineral Hill breccia pipe, Golden Sunlight mine. Report to Golden Sunlight Mines, Inc. (Placer, U.S.A.), 31 pages.
  9. Spry, P.G., 1997, Fluid boiling and its relationship to gold deposition at the Golden Sunlight mine, Montana: Fluid inclusion characteristics. Report to Golden Sunlight Mines, Inc. (Placer Dome, U.S.A.), 17 pages.
  10. Spry, P.G., and Thieben, S.E., 1997, A preliminary study of gold-bearing minerals in concentrate from the western part of the Mineral Hill breccia pipe, Golden Sunlight deposit. Report to Golden Sunlight Mines, Inc. (Placer Dome, U.S.A.), 8 pages.
  11. Cody, R.D., Spry, P.G., Cody, A.M., and Lee, H., 1997, Expansive mineral growth and concrete deterioration. Final report to the Iowa Highway Research Board (Iowa DOT HR-384), 201 pages.
  12. Spry, P.G., and Gramstad, S.D., 1998, Preliminary studies of precious and carbonate minerals in the Berners Bay district, Alaska.  Report to Coeur Alaska, Inc., 43 pages.
  13. Spry, P.G., 1998, The mineralogy of ore and biooxidation residues from the Llallgua gold deposit, Bolivia. Report to Battle Mountain Gold, Inc., 39 pages.
  14. Spry, P.G., and Gramstad, S.D., 1998, Precious metal and carbonate mineralogy of the Berners Bay district, Alaska. Report to Coeur Alaska, Inc., 43 pages.
  15. Gramstad, S.D., and Spry, P.G., 1999, Mineralogical and stable isotope characteristics of the Berners Bay district. Report to Coeur Alaska, Inc., 46 pages.
  16. Pals, D.W., and Spry, P.G., 2000, Preliminary mineralogical studies of the Emperor gold mine, Vatukoula, Fiji. Report to Emperor Gold Mining Co. Ltd., 49 pages.
  17. Shackleton, J. M., and Spry, P.G., 2000, Preliminary studies of tellurides in the Golden Mile, Kalgoorlie, Western Australia. Report to Kalgoorlie Consolidated Gold Mines, 56 pages.
  18. Scherbarth, N.L., and Spry, P.G., 2000, Mineralogical and geochemical characteristics of the Tuvatu gold telluride deposit, Sabeto River, Fiji. Report to Emperor Gold Mining Co. Ltd., 60 pages.
  19. Cody, R.D., Cody, A.M., Spry, P.G., and Lee, H., 2001, Reduction of concrete deterioration by ettringite using crystal growth inhibition techniques. Final report to the Iowa Highway Research Board (Iowa DOT TR-431), 102 pages.
  20. Spry, P.G., 2001, The mineralogy and gold recovery of sulfide-bearing ore from the Rochester district, Pershing County, Nevada. Confidential report to Coeur Rochester, Inc., 26 pages.
  21. Spry, P.G., 2002, A mineralogical study of five high-grade gold-bearing samples from recent deep drill holes, Golden Sunlight deposit. Confidential report to Golden Sunlight Mines, Inc. (Placer Dome, U.S.A.), 25 pages.
  22. Spry, P.G., and Cody, R.D., 2003, Reduction of concrete deterioration by ettringite using crystal growth inhibition techniques.  Part II.  Field evaluation of inhibitor effectiveness. Annual report to the Iowa Highway Research Board, 15 pages.
  23. Spry, P.G., and Cody, R.D., 2004, Reduction of concrete deterioration by ettringite using crystal growth inhibition techniques.  Part II.  Field evaluation of inhibitor effectiveness. Final report to the Iowa Highway Research Board, 49 pages.
  24. Spry, P.G., 2004, Mineralogical and electron microprobe study of gahnite-bearing rocks from the Maclean Belt, northern Saskatchewan, Canada. Confidential report to Intrepid Minerals (Canada), 17 pages.
  25. Spry, P.G., 2005, Reflected light, scanning electron microscope, end electron microprobe studies of fourteen samples from the Gold Hill project, Nevada. Confidential report to Round Mountain Gold Corporation, 39 pages.
  26. Spry, P.G., 2005, Reflected light and scanning electron microscope studies of eight samples from the Kainantu deposit, Papua New Guinea. Confidential report to Highlands Pacific Limited (Australia), 23 pages.
  27. Spry, P.G., 2005, Reflected light and scanning electron microscope studies of fourteen samples from the Kora prospect, Papua New Guinea. Confidential report to Highlands Pacific Limited (Australia), 49 pages.
  28. Cook, N.J., Ciobanu, C.L., Spry, P.G., Kojonen, K.K., and Kovalenker, V., 2006 Telluride and selenides minerals in gold deposits - a half-term report for IGCP-486.  Report presented to the International Association of the Geology for Ore Deposits (International Geological Correlations Program), St. Petersburg, Russia, May 2006, 4 pages.
  29. Spry, P.G., 2006, Petrological and mineralogical study of fifty samples from the Foster River Project, Hewetson Lake Area, Saskatchewan. Confidential report to Wildcat Exploration Limited (Canada), 50 pages.
  30. Spry, P.G., 2006, A comparison between Foster River-style mineralization and Broken Hill-style mineralization: Comments and recommendations. Confidential report to Wildcat Exploration Limited (Canada), 18 pages.
  31. Spry, P.G., 2007, Reflected light, scanning electron microscope, and electron microprobe studies of twenty five samples from the Borealis Project, Nevada. Confidential report to Gryphon Gold Corporation, 31 pages.
  32. Spry, P.G., and Steadman, J.A., 2008, The geology, mineralogy, and geochemistry of base-metal mineralization in the Foster River area, northern Saskatchewan. Confidential report to Wildcat Exploration Limited (Canada), 62 pages.

Invited Seminars and Presentations at Professional Meetings
Refereed Extended Abstracts

  1. Spry, P.G., 1987, Zincian spinel and its association to metamorphosed massive sulphide deposits: Ore Deposits in Metamorphosed Terrains Conference, Montreal, Canada, Abstracts, p. 6-7.
  2. Spry, P.G., and McGowan, K.I., 1989, The origin of Archean lode gold mineralization at Atlantic City-South Pass, Wyoming, U.S.A.: A fluid inclusion and stable isotope study: 28th International Geological Congress Abstracts, Washington D.C., v. 3, p. 163.
  3. Spry, P.G., McGowan, K.I., and Liu, P., 1990, A fluid inclusion and stable isotope study of Archean lode gold mineralization in the Wyoming Province, U.S.A.: 8th Symposium International Association on the Geology of Ore Deposits, Ottawa, Canada. Program with Abstracts, p. A86-87.
  4. Jones, H.D., Kesler, S.E., Spry, P.G., Richardson, C.K., Kyle, J.R., Anderson, W.H., and Furman, F.C., 1992, Determination of the limits of mid-continental brine flow by sulfur isotopes from Mississippi Valley-type deposits, in Goldhaber, M.B., and Eidel, J.J., eds., Mineral Resources of the Illinois Basin in the Context of Basin Evolution: U.S.G.S. Open File Report 92-1, p. 32-33.
  5. Chesley, J.T., Halliday, A.N., Kyser, T.K., and Spry, P.G., 1995, Direct dating of Mississippi Valley-type mineralization and large scale migration, International Field Conference on Carbonate-Hosted Lead-Zinc Deposits, Extended Abstracts, St. Louis, Missouri, p. 34-36.
  6. Shackleton, J.M., Spry, P.G., and Bateman, R., 2000, A preliminary study of the spatial distribution of tellurides in the Golden Mile, Kalgoorlie, Western Australia. Gold in 2000 Short Course, Poster Session Extended Abstracts, Lake Tahoe, Nevada, p. 1-6.
  7. Pals, D., and Spry, P.G., 2000, Mineralogical studies of tellurides at the Emperor gold deposit, Vatukoula, Fiji. Gold in 2000 Short Course, Poster Session Extended Abstracts, Lake Tahoe, Nevada, p. 87-91.
  8. Scherbarth, N. L., and Spry, P.G., 2000, Mineralogical and geochemical studies of the Tuvatu gold-silver telluride deposit, Fiji. Gold in 2000 Short Course, Poster Session Extended Abstracts, Lake Tahoe, Nevada, p. 92-97.
  9. Spry, P.G., Teale, G.T., and Heimann, A., 2003, Speculations concerning the origin and exploration significance of lode rocks in the Curnamona Province, in Peljo, M. (ed.), Broken Hill Exploration Initiative Abstracts. Geoscience Australia, Record 2003/13, p. 162-165.
  10. Spry, P.G., Plimer, I.R., and Teale, G.S., 2006, Partial melting of the Broken Hill-lead-zinc-silver deposit: fact or fiction? Broken Hill Exploration Initiative Abstracts. Geoscience Australia, Record 2006/21, p. 161-165.
  11. Heimann, A., Spry, P.G., Teale, G.S., Conor, C.H.H., and Leyh, W., 2006, Geochemistry of garnet-rich rocks, southern Curnamona Province, Australia: genesis and implication for Broken Hill-type mineralization. Broken Hill Exploration Initiative Abstracts. Geoscience Australia, Record 2006/21, p. 76-80.

Refereed Abstracts

  1. Spry, P.G., 1979, Manganese anomalies associated with volcanic exhalative sulfide deposits: the Broken Hill example: Geological Association of Canada/Mineralogical Association of Canada Programme with Abstracts, v. 4, p. 80.
  2. Spry, P.G., and Both, R.A., 1980, The origin of garnet-rich rocks associated with the Broken Hill orebody: 4th Australian Geological Convention Abstracts, p. 47.
  3. Spry, P.G., and Scott, S.D., 1982, Zincian spinels as guides to metamorphosed massive sulfide deposits: Geological Association of Canada/Mineralogical Association of Canada Programme with Abstracts, v. 7, p. 72.
  4. Spry, P.G., and Scott, S.D., 1983, The stability of zincian spinels in metamorphosed massive sulfide deposits. Geological Society of America Abstracts with Programs, v. 15, no. 6, p. 694.
  5. Spry, P.G., and Scott, S.D., 1983, Zincian spinels in the Appalachian-Caledonide orogen. International Geological Correlation Program, Project 60, Correlation of Caledonian Stratabound Sulphides, Ottawa, Canada, Programme and Abstracts, p. 26.
  6. Scott, S.D., Spry, P.G., and Hutchison, M.N., 1983, Petrography and metamorphic history of the Broken Hill orebody, New South Wales, Australia. 112th American Institute of Mining Engineers, Program with Abstracts, p. 19.
  7. Scott, S.D., and Spry, P.G., 1984, Zincian spinels in Proterozoic metamorphosed massive sulphide deposits: Middle to Late Proterozoic Lithosphere Evolution Conference, Cape Town, South Africa, Abstracts, p. 55.
  8. Scott, S.D., and Spry, P.G., 1984, Petrography, metamorphism and origin of Broken Hill, Australia: a comparison with "Aggeneys-type" ore deposits: Middle to Late Proterozoic Lithosphere Evolution Conference, Cape Town, South Africa, Abstracts, p. 59.
  9. Spry, P.G., 1986, Geological, fluid inclusion, and sulfur isotopic studies of Au-Ag-Pb-Zn-Cu breccia pipe deposits, Central City, Colorado: Geological Society of America Abstracts with Programs, v. 18, no. 6, p. 325.
  10. Spry, P.G., 1986, A sulfur isotopic study of the Broken Hill Pb-Zn-Ag deposit, New South Wales, Australia: Geological Society of America Abstracts with Programs, v. 18, p. 325.
  11. Spry, P.G., 1986, Compositional zoning in zincian spinels. Geological Society of America Abstracts with Programs, v. 18, p. 325.
  12. Spry, P.G., 1986, The composition of zincian spinel as a guide to metamorphosed ore deposits: the Aggeneys example, Namaqualand, South Africa: Geological Society of America Abstracts with Programs, v. 18, p. 760.
  13. Wonder, J.D., and Spry, P.G., 1986, Fractionation of iron and manganese during the formation of submarine exhalative massive sulfide deposits: Geological Society of America Abstracts with Programs, v. 18, p. 794.
  14. Spry, P.G., and Petersen, E.U., 1987, Zincian högbomite and its potential as an exploration guide for metamorphosed massive sulfide deposits: Geological Society of America Abstacts with Programs, v. 19, p. 247.
  15. Spry, P.G., Schiller, J.C., and Both, R.A., 1987, Structure and metamorphic setting of base metal mineralization in the Kanmantoo Group, South Australia: Geological Society America of Abstracts with Programs, v. 19, p. 247.
  16. Wonder, J.D., Spry, P.G., and Windom, K.E., 1987, The genetic relationship of coticule, banded iron formation, and tourmalinite to metamorphosed massive sulfide and gold deposits, western Georgia piedmont: Geological Society of America Abstracts with Programs, v. 19, p. 253.
  17. Kutz, K.B., and Spry, P.G., 1987, Geochemical aspects of outlying Upper Mississippi Valley (UMV)-type mineralization in Iowa, Illinois and Wisconsin: Iowa Academy of Science Program Abstracts, v. 94, no. 139.
  18. Koellner, M.S., Spry, P.G., and Richardson, C.K., 1987, Chemical and thermal changes in the ore fluid during deposition at the Denton mine, Cave-in-Rock fluorspar district, Illinois: Geological Society of America Abstracts with Programs, v. 20, p. 371.
  19. Kutz, K.B., and Spry, P.G., 1987, A stable isotope and fluid inclusion study of Upper Mississippi Valley (UMV)-type base metal occurrences: Geological Society of America Abstracts with Programs, v. 20, p. 736.
  20. Spry, P.G., 1988, The geochemistry of manganese-rich garnet-bearing rocks associated with the Aggeneys Cu-Pb-Zn-Ag-Au deposits, Namaqualand, South Africa: Iowa Academy of Science Program Abstracts, v. 95, p. A40.
  21. McGowan, K.I., and Spry, P.G., 1988, Geological setting of Archean lode gold deposits of the Atlantic City-South Pass district, Wind River Range, Wyoming: Geological Society of America Abstracts with Programs, v. 20, no. 3, p. 213.
  22. McGowan, K.I., and Spry, P.G., 1988, Regional geology of Archean lode gold deposits, Atlantic City-South Pass district, Wyoming: Iowa Academy of Science Program Abstracts, v. 95, p. A40.
  23. Kutz, B.L., and Spry, P.G., 1988, The geology and geochemistry of barite vein deposits, northern Ontario, Canada: Iowa Academy of Science Program Abstracts, v. 95, p. A40.
  24. Spry, P.G., 1988, Manganese anomalies as a guide in the exploration for metamorphosed massive sulfide deposits: the Aggeneys example: Geological Society of America Abstracts with programs, v. 21, p. A300.
  25. Troop, D.G., and Spry, P.G., 1988, Systematics of an Archean lode gold deposit: the Ross mine, Abitibi greenstone belt, Ontario, Canada: Geological Society of America Abstracts with Programs, v. 21, p. A301.
  26. McGowan, K.I., and Spry, P.G., 1989, Basinal brine fluid source for Archean lode gold deposits, Atlantic City-South Pass district, Wyoming: Iowa Academy of Science Program Abstracts, v. 96, p. A23.
  27. Spry, P.G., 1989, Coticules and their genetic relationship to metamorphosed base metal sulfide deposits: Geological Society of America Abstracts with Programs, v. 22, p. A149.
  28. Liu, P., and Spry, P.G., 1990, The geology and geochemistry of Archean lode gold mineralization at Jardine, Montana: Journal of the Iowa Academy of Science, v. 97, p. A33.
  29. McGowan, K.I., and Spry, P.G., 1990, Rare earth element constraints on the evolution of the southern end of the Wind River greenstone belt: Journal of the Iowa Academy of Science, v. 97, p. A33.
  30. Fuhrmann, G.D., and Spry, P.G., 1990, A regional fluid inclusion study of the Illinois-Kentucky fluorspar district: Journal of the Iowa Academy of Science, v. 97, p. A34.
  31. Jones, H.D., Spry, P.G., and Richardson, C.K., 1990, Stable isotope systematics of the Illinois-Kentucky fluorspar district: Geological Society of America Abstracts with Programs, v. 23, p. A222.
  32. Zhang, X., and Spry, P.G., 1991, Gold-silver telluride mineralization at the Gies mine, Judith Mountains, Montana: fluid inclusion and stable isotope studies: Journal of the Iowa Academy of Science, v. 98, p. A21.
  33. Fuhrmann, G.D., and Spry, P.G., 1991, Temporal and spatial variations in the ore fluid at the Illinois-Kentucky fluorspar district: Journal of the Iowa Academy of Science, v. 98, p. A21.
  34. Liu, P., and Spry, P.G., 1991, A fluid inclusion study of the Archean Jardine lode gold deposit, Montana: Journal of the Iowa Academy of Science, v. 98, p. A21.
  35. Fuhrmann, G.D., and Spry, P.G., 1991, Thermal and chemical changes in the ore fluid during deposition of the Illinois-Kentucky fluorspar district: Geological Association of Canada-Mineralogical Association of Canada Programme with Abstracts, v. 16, p. A40.
  36. Zhang, X., and Spry, P.G., 1991, A genetic relationship between alkaline intrusives and gold-silver telluride mineralization at the Gies mine, Judith Mountains, Montana: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. A294.
  37. Liu, P., and Spry, P.G., 1991, Archean lode gold mineralization at Mineral Hill (MH)-Crevice Mountain (CM), Jardine, Montana: a metamorphic origin: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. A418-419.
  38. Spry, P.G., Liu, P., and McGowan, K.I., 1992, The geochemistry of Archean sediment-hosted epigenetic lode gold mineralization in the Wyoming Province: Geological Society of America Abstracts with Programs, v. 24, no. 2, p. 66.
  39. Fuhrmann, G.D., and Spry, P.G., 1992, Hicks Dome: a thermal center for the Illinois-Kentucky fluorspar district?: Geological Society of America Abstracts with Programs, v. 24, no. 2, p. 15.
  40. Zhang, X., and Spry, P.G., 1992, Aqueous tellurium speciation and equilibrium reactions at elevated temperatures: Geological Society of America Abstracts with Programs, v. 25, no. 4, p. 73.
  41. Wang, S., Zhang, X., and Spry, P.G., 1992, A TEM study of a Cu-As-Sb-V-S-bearing Sn-free colusite: Geological Society of America Abstracts with Programs, v. 24, p. A116.
  42. Spry, P.G., and Fuhrmann, G.D., 1993, Fluid mixing during deposition of bedded replacement (BR) deposits in the Illinois-Kentucky fluorspar district: Geological Society of America Abstracts with Programs, v. 25, p. 82-83.
  43. Spry, P.G., and Zhang, X., 1993, The stability of calaverite and hessite at elevated temperatures with applications to gold-silver telluride deposits in Montana: Geological Society of America Abstracts with Programs, v. 25, p. A402.
  44. Spry, P.G., Merlino, S., Wang, S., Zhang, X., and Buseck, P.R., 1994, New occurrences and refined crystal structure of colusite with applications to arsenosulvanite: Geological Association of Canada/ Mineralogical Association of Canada, Program with Abstracts, v. 19, A106.
  45. Paredes, M.M., and Spry, P.G., 1994, A fluid inclusion study of the Golden Sunlight gold telluride deposit, Montana: 106th Iowa Academy of Science Meeting Program Abstracts, p. 18.
  46. Gan, G.L., Spry, P.G., Cody, R.D., and Cody, A.M., 1994, The effects of deicing salts on concrete deterioration: 106th Iowa Academy of Science Meeting Program Abstracts, p. 19.
  47. Steenhoek, M.J., Spry, P.G., and Windom, K.E., 1994, Petrological and geochemical studies of the Lewiston district, South Pass granite-greenstone belt, Wyoming: Iowa Academy of Science Meeting Program Abstracts, p. 18.
  48. Cody, R.D., Cody, A.M., Spry, P.G., and Gan, G.-L., 1994, Concrete deterioration resulting from magnesium-rich brines: Geological Society of America Abstracts with Programs, v. 26, p. 9.
  49. Spry, P.G., Paredes, M.M., Foster, F., Truckle, J., and Chadwick, T.H., 1994, Evidence for a magmatic hydrothermal to epithermal origin for the Golden Sunlight gold-silver telluride deposit, Whitehall, Montana: Geological Society of America Abstracts with Programs, 26, no. 7, p. A311.
  50. Spry, P.G., Jacobson, C.E., Paredes, M.M., Foster, F., Truckle, J., and Chadwick, T., 1995, Mineralogical and multielement studies of the Golden Sunlight gold-silver telluride deposit, Whitehall, Montana: Geological Society of America Abstracts with Programs, v. 27, p. 87
  51. Steenhoek, M.J., Spry, P.G., and Windom, K.E., 1995, A back-arc basin setting for the Archean South Pass greenstone belt: Lewiston district, Wyoming: Geological Society of America Abstracts with Programs, v. 27, p. 88.
  52. Gan, G.-L., Spry, P.G., Cody, R.D., and Cody, A.M., 1995, Dedolomitization of carbonate aggregate in Iowa highway concretes: Geological Society of America Abstracts with Programs, v. 27, p. 51.
  53. Spry, P.G., and Thieben, S.E., 1995, The geology and geochemistry of Cretaceous-Tertiary alkaline igneous-related epithermal Au-Ag telluride mineralization of Montana: Geological Association of Canada/Mineralogical Association of Canada, Program with Abstracts, v. 20, p. A-100.
  54. Rosenberg, J.L., Spry, P.G., Jacobson, C.E., and Vokes, F.M., 1996, The effects of sulfidation and oxidation of biotite and garnet associated with the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway: A preliminary study: Geological Society of America Abstracts with Programs, v. 28, no. 6, p. 42.
  55. Spry, P.G., and Thieben, S.E., 1996, Epithermal gold-silver telluride deposits of Montana: Mineralogical characteristics: Geological Society of America Abstracts with Programs, v. 28, no. 4, p. 39.
  56. Thieben, S.E., and Spry, P.G., 1996, Epithermal gold-silver telluride deposits of Montana: Geological, stable isotope and fluid inclusion studies: Geological Society of America Abstracts with Programs, v. 28, no. 4, p. 40.
  57. Lee, H.-M., Cody, R.D., Spry, P.G., and Cody, A.M., 1996, Formation of expansive minerals in concrete: Geological Society of America Abstracts with Programs v. 28, no. 6, p. 51.
  58. Lee, H.-M., Cody, R.D., Spry, P.G., and Cody, A.M., 1996, Highway concrete deterioration by growth of expansive minerals: KSEA 6th Midwest Regional Conference, Abstract no. 29.
  59. Cook, N.J., Spry, P.G., and Vokes, F.M., 1997, Mineralogy and paragenetic relationships among sulphosalts and related minerals in the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway: Frank Vokes 70 Year Anniversary Symposium (Formation and Metamorphism of Massive Sulphides), Trondheim, Norway, p. 4.
  60. Spry, P.G., Rosenberg, J.L., Jacobson, C.E., Cook, N.J., and Vokes, F.M., 1997, Thermobarometry as applied to the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway: Frank Vokes 70 Year Anniversary Symposium (Formation and Metamorphism of Massive Sulphides), Trondheim, Norway, p. 26.
  61. Spry, P.G., Cook, N.J., and Vokes, 1997, Metamorphic mobilization in the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway: Mineralogical studies: Geological Society of America Abstracts with Programs, v. 29, No. 4, p. 72.
  62. Rosenberg, J.L., Spry, P.G., Jacobson, C.E., Cook, N.J., and Vokes, F.M., 1997, Thermobarometry as applied to the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway: Geological Society of America Abstracts with Programs, v. 29, No. 4, p. 69
  63. Lee, H., Cody, R.D., Spry, P.G., and Cody, A.M., 1997, Mechanisms involving expansive mineral growth causing Iowa highway concrete deterioration: Geological Society of America Abstracts with Programs, v. 29, No. 4, p. 30.
  64. Rosenberg, J.L., Spry, P.G., Jacobson, C.E., and Vokes, F.M., 1997, Mineral compositions associated with the Bleikvassli Zn-Pb-(Cu) deposit, Norway: Bulk-rock vs sulfidation-oxidation effects: Geological Society of America Abstracts with Programs, v. 29, No. 7, p. A444.
  65. Spry, P.G., Rosenberg, J.L., Jacobson, C.E., and Vokes, F.M., 1998, Constraints on the use of sulfidation-oxidation haloes as guides in the exploration for metamorphosed massive sulphide deposits: The Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway example: 14th Australian Geological Convention, Townsville, Australia, Abstracts, v. 49, p. 424.
  66. Thieben, S.E., and Spry, P.G., 1998, Geology and geochemistry of epithermal gold-silver telluride deposits of Montana, U.S.A.: Society of Economic Geologists Newsletter, No. 35, p 8.
  67. Gramstad, S.D., and Spry, P.G., 1998, Investigations of gold-silver telluride and carbonate mineralization at Berners Bay, Alaska: Iowa Academy of Science Program Abstracts, 110th Session, p. 23.
  68. Spry, P.G., and Thieben, S.E., 1998, The origin of gold-silver deposits of the central Montana alkalic belt. Geological Society of America Abstracts with Programs, v. 30, No. 7, p. A301.
  69. Spry, P.G., and Thieben, S.E., 1998, Epithermal gold-silver telluride deposits of the central Montana alkalic belt. Pacific Exploration Technology 98 Conference (Nadi, Fiji) Abstracts Volume, p. 20.
  70. Gramstad, S.D., Spry, P.G., Redman, E., and Harvey, D., 1999, Mineralogical and stable isotope characteristics of the Berners Bay gold-silver telluride district, Alaska. Geological Society of America Abstracts with Programs, v. 31, No. 5, A.17.
  71. Casey, S.D., and Spry, P.G., 1999, Mineralogy and stable isotope geochemistry of gold-silver telluride mineralization in the Berners Bay district, Alaska: Society of Economic Geologists Newsletter, No. 39, p. 6.
  72. Lee, H., Cody, R. D., Cody, A. M., and Spry, P. G., 1999, The deleterious effects of deicing chemicals on Iowa highway concrete. Geological Society of America Abstracts with Programs, v. 32, No. 7, p. A450.
  73. Casey, S.D., Spry, P., G., Redman, E., and Harvey, D., 1999, Stable isotopic constraints on regionally zoned gold-silver telluride mineralization in the Berners Bay district, Juneau gold belt, Alaska. Geological Society of America Abstracts with Programs, v. 32, No. 7, p. A403-404.
  74. Spry, P.G., Casey, S.D., Redman, E., and Harvey, D., 2000, The geology, mineralogy, and geochemistry of the Berners Bay gold-silver telluride district, Juneau Gold Belt, Alaska. 15th Australian Geological Convention, Sydney, Australia, v. 50, p. 473.
  75. Marshall, B., and Spry, P.G., 2000, Remobilization and syn-tectonic emplacement in ore genesis. 21st International Geological Congress, Rio de Janeiro, Brazil, Abstracts Volume on CD.
  76. Pals, D.W., and Spry, P.G., 2001, The spatial and temporal distribution of precious metal tellurides in the Emperor gold-silver telluride deposit, Fiji. Geological Society of America Abstracts with Programs, v. 31, No. 5, p. A-46.
  77. Shackleton, J.M., Spry, P.G., and Bateman, R., 2001, Telluride mineralogy of the Golden Mile deposit, Kalgoorlie, Western Australia. Geological Society of America Abstracts with Programs, v. 31, No. 5, p. A-46.
  78. Scherbarth, N.L., and Spry, P.G., 2001, Magmatic to epithermal evolution of the Tuvatu gold-silver telluride system, Upper Sabeto River Area, Fiji. Geological Society of America Abstracts with Programs, v. 31, No. 5, p. A-46.
  79. Scherbarth, N.L., and Spry, P.G., 2001, Geology and mineralogy of the epithermal Tuvatu gold-silver telluride deposit, Upper Sabeto River area, Fiji. Society of Economic Geologists Newsletter, No. 44, p. 13.
  80. Shackleton, J.M., and Spry, P.G., 2002, The composition and formula of the rare gold telluride, montbrayite. Geological Society of America Abstracts with Programs, v. 32, No. 5, p. A-4.
  81. Heimann, A., Spry, P.G., and Teale, G.S., 2002, Corona textures involving hercynite and högbomite in gedrite-cordierite gneisses from Evergreen, Colorado. Geological Society of America Abstracts with Programs, v. 32, No. 5, p. p. A-22.
  82. Spry, P.G., and Scherbarth, N.L., 2002, The vanadium-tellurium-gold association at the epithermal Tuvatu gold deposit, Fiji: Implications for ore deposition. 16th Australian Geological Convention, Adelaide, Australia, Abstracts, v. 51, p. 342.
  83. Heimann, A., Spry, P.G., and Teale, G.S., 2002, The composition of zinc-rich spinels associated with metamorphosed massive sulfide deposits: a reexamination. Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 339.
  84. Heimann, A., and Spry, P.G., 2002, Mineralogical study of zincian spinel-bearing rocks associated with Proterozoic metamorphosed massive sulfide deposits, Colorado. Society of Economic Geologists Newsletter/SEG Website.
  85. Billor, Z., and Spry, P.G., 2003, Geological setting and origin of the Kisecik gold deposit, Hatay, Turkey. Geological Society of America Abstracts with Programs, v. 35, no. 2, p. 12.
  86. Spry, P.G., Pals, D.W., and Scherbarth, N.L., 2003, Geochemical characteristics of epithermal gold mineralization along the Viti Levu lineament, Fiji. Geological Society of America Abstracts with Programs, v. 35, no. 2, p. 12.
  87. Spry, P.G., Teale, G.S., and Heimann, A., 2003, Multiple origins of gahnite (zincian spinel) associated with Broken Hill-type lead-zinc-silver mineralization in the Proterozoic Curnamona Province, Australia. Geological Society of America Abstracts with Programs, v. 35, no. 7, p. 402.
  88. Hook, P. W., Spry, P.G., Cody, R.D., and Cody, A.M., 2004, The effects of a phosphonate inhibitor on the growth of ettringite in Iowa highway concrete: Preliminary studies. Geological Society of America Abstracts with Programs, v. 36, No. 3, p. 20.
  89. Spry, P.G., Heimann, A., and Teale, G.S., 2004, Gahnite-garnet-staurolite relations to Proterozoic Broken Hill-type Pb-Zn-Ag mineralization in the Mutooroo area, Broken Hill Domain, Curnamona Province, South Australia. Geological Society of America Abstracts with Programs, v. 36, No. 3, p. 19.
  90. Heimann, A., Spry, P.G., and Teale, G.S., 2004, A comparison of lower amphibolite facies garnet-gahnite-rich rocks in the Mundi Mundi Plain (Olary Domain) with those metamorphosed to granulite facies at the giant Broken Hill Pb-Zn-Ag deposit. Geological Society of America Abstracts with Programs, v. 36, No. 3, p. 19.
  91. Spry, P.G., Plimer, I. R., Teale, G.S., and Heimann, A., 2004, Garnet-rich rocks and their genetic relationship to the Broken Hill lead-zinc-silver deposit, New South Wales, Australia.  Eos Transactions, American Geophysical Union, v. 85 (17), Joint Assembly Supplement, Abstract V34A-06, p. JA 493.
  92. Tombros, S., Seymour, K., and Spry, P.G., 2004, The mineralogy and geochemistry of granite-related low-sulfidation epithermal Au-Ag-Te mineralization: The Panormos Bay example, Tinos Island, Greece. 32nd International Geological Congress, Florence, Italy, Abstracts, p. 279.
  93. Spry, P.G., Pals, D.W., and Scherbarth, N.L., 2004, A geological and geochemical comparison of Emperor and Tuvatu: The two largest gold-silver telluride deposits in Viti Levu, Fiji. 32nd International Geological Congress, Florence, Italy, Abstracts, p. 272.
  94. Heimann, A., Spry, P.G., and Teale, G.S., 2004, The genetic relationship between garnet- and gahnite-rich rocks associated with Broken Hill-type mineralization throughout the Olary Domain, Curnamona Province, Australia, to the super large Broken Hill Pb-Zn-Ag deposit. 32nd International Geological Congress, Florence, Italy, Abstracts, p. 665.
  95. Spry, P.G., Heimann, A., Messerly, J.D., Houk, R.S., and Teale, G.S., 2004, Discrimination of metamorphic and metasomatic processes at the Broken Hill lead-zinc-silver deposit, Australia: Rare earth element signatures of garnet in garnet-rich rocks. Geological Society of America Abstracts with Programs, v. 36, No. 6, p. 445.
  96. Spry, P.G., Teale, G.S., Plimer, I.R., and Heimann, A., 2005, Did the giant stratiform Broken Hill Pb-Zn-Ag deposit, Curnamona Province (Australia) melt? Geological Society of America Abstracts with Programs, v. 37, No. 5, p. 87.
  97. Heimann, A., Spry, P.G., Teale, G.S., Conor, C.H.H., and Pearson, N.J., 2005, The origin of garnet-rich rocks at Raven Hill (Cathedral Rock), Olary Domain, Curnamona Province, Australia, and their genetic relationship to Broken Hill-type mineralization. Geological Society of America Abstracts with Programs, v. 37, No. 5, p. 87.
  98. Tombros, S. F., Seymour, K St., Spry, P.G., Williams-Jones, A., and Zouzias, D.P., 2005, Panormos Bay Au-Ag-Te epithermal mineralization, Tinos Island: Multiple mechanisms of deposition for an unusual calc-alkaline granite-related system. 10th International Earth Sciences Colloquium on the Aegean Regions (IESCA 2005), Izmir, Turkey, Abstracts Volume.
  99. Heimann, A., Spry, P.G., Teale, G.S., Conor, C.H.H., and Pearson, N.J., 2005, Major and rare-earth element chemistry of garnet-rich rocks in the Curnamona Province, Australia: Implications for Broken Hill-type mineralization. Geological Society of America Abstracts with Programs, v. 37, No. 7, p. 452
  100. Spry, P.G., Tombros, S, St. Seymour, K., Williams-Jones, A, E., and Zouzias, D.P., 2006, Geology, mineralogy, and geochemistry of granite-hosted gold-telluride mineralization at Panormos Bay, Tinos Island, Greece. Geological Society of America Abstracts with Programs, v. 38, No. 4, p. 55.
  101. Espi, J.O., Spry, P.G., Hayashi, K., Komuro, K., and Murakami, H., 2006 The Bilimoia Au-Bi-W-Te deposit, Kainantu, Papua New Guinea: Geology, mineralogy, and conditions of ore formation. Geological Society of America Abstracts with Programs, v. 38, No. 7, p. 347.
  102. Spry, P.G., 2007, A genetic relationship among epithermal gold tellurides, calderas, and the Viti Levu lineament, Fiji. Ores and Ore Genesis 2007: Circum-Pacific Tectonics, Geologic Evolution, and Ore Deposits Symposium, Program with Abstracts, p. 65.
  103. Bonsall, T.A., Spry, P.G., Voudouris, P., St. Seymour, K., Tombros, S., and Melfos, V., 2007, Geology, mineralogy, and geochemistry of carbonate-hosted replacement Pb-Zn-Ag deposits in the Lavrion district, Greece. Geological Society of America Abstracts with Programs, v. 39, No. 6, p. 623.
  104. Voudouris, P., and Spry, P.G., 2007, The mineralogy and genesis of precious metal deposits of Greece. Geological Society of America Abstracts with Programs, v. 39, No. 6. p. 625
  105. Spry, P.G., Forsythe, N., Scherbarth, N.L., and Pals, D.W., 2007, Precious metal telluride occurrences in Fiji. Geological Society of America Abstracts with Programs, v. 39, No. 6, p. 198.
  106. Cook, N.J., Ciobanu, C.L., and Spry, P.G., 2007, What makes a gold telluride deposit? Geological Society of America Abstracts with Programs, v. 39, No. 6, p. 196.
  107. Kracher, A., Bindi, L., Bonazzi, P., Fournelle, J., Frahm, E., and Spry, P.G., 2007, Large errors in electron microprobe analysis of laphamite, As2Se3-xSx (x~0.75), due to uncertainties in ZAF correction parameters. Eos Transactions, American Geophysical Union, v. 88 (52), Fall Meeting Supplement, Abstract V51A-0327.
  108. Tombros, S.F., Seymour, K. St., Spry, P.G., and Williams-Jones, A.E., 2008, Panormos Bay, Au-Ag±Te mineralization, Mykonos Island, Cyclades, Hellas (Greece): Geological, mineralogical, fluid inclusion, stable isotope, and geochemical comparisons with the nearby Panormos Bay Ba-Au-Ag±Te Mineralization, Tinos Island. 32nd International Geological Congress, Oslo, Norway, Abstracts.
  109. Voudouris, P., and Spry, P.G., 2008, A new occurrence of cervelleite-similar phases and Te-polybasite from gold-bearing veins in metamorphic rocks of the Cycladic Blueschist Unit, Greece. 32nd International Geological Congress, Oslo, Norway, Abstracts.
  110. Melfos V., Voudouris P., Vavelidis M., and Spry P. G., 2008, Microthermometric results and formation conditions of a new intrusion-related Bi-Te-Pb-Sb±Au mineralization in the Kavala pluton, Greece.  Joint 13th All-Russian Conference on Thermobarogeochemistry/4th Asian and Pacific International Fluid Inclusion Society Symposium, Moscow, Abstracts.

Invited Seminars

The geology and geochemistry of base metal mineralization in the Foster River area, northern Saskatchewan.
Wildcat Exploration Annual General Meeting and Special Meeting, Winnipeg, Manitoba (September 21, 2007)

The Foster River Pb-Zn occurrence, northern Saskatchewan: Is it a Broken Hill-type deposit
Prospector’s and Developers Association of Canada Convention, Toronto, Canada (four presentations given on behalf of Wildcat Exploration Limited) (March, 2007)

Garnet-rich rocks and their genetic relationship to the Broken Hill lead-zinc-silver deposit, New South Wales, Australia. 
 
Primary Industries and Resources South Australia, Adelaide, Australia (June, 2004)

The geology and geochemistry of alkaline igneous rock-related epithermal gold-silver telluride mineralization of Montana
            Stoudt Lecture Series, Department of Geology, University of Nebraska, U.S.A. (April, 1996)
            Department of Geology, Gustavus Adolphus University, Minnesota, U.S.A. (November, 1996)
            Emperor Gold Mining Company, Vatukoula, Fiji (June, 1998)
            University of Adelaide, South Australia (May, 1999)
            Department of Geology, Utah State University, U.S.A. (December, 1999)

Gahnite as an exploration guide in the Curnamona Province, Australia
            Primary Industries and Resources South Australia, Adelaide, Australia (June, 2004)

The origin of epigenetic Precambrian gold deposits of the Wyoming Province, U.S.A.
            Rea Gold Mining Company, Minas de Coralles, Uruguay (February, 1997)

The spatial distribution of tellurides in the Emperor gold-telluride deposit, Fiji
            Emperor Gold Mining Company, Vatukoula, Fiji (May, 1999)

The fate of gold in concentrate from the Golden Sunlight deposit, Whitehall, Montana
            Golden Sunlight Mines, Inc. (Placer Dome, U.S.A.), Whitehall, Montana (July 1996)

Techniques used to identify opaque minerals with a reflected light microscope
            Department of Geology, Gustavus Adolphus University, Minnesota, U.S.A. (November, 1996)

The mineralogy and geology of the Tri‑State Mississippi Valley‑type deposits
            Oppold Lecture Series, Brunnier Gallery, Iowa State University (April, 1992)

Zincian spinels in metamorphosed massive sulfide deposits
            Graduate College, City University of New York, U.S.A. (March, 1986)

The origin and exploration significance of manganese anomalies to metamorphosed massive sulfide deposits
            Department of Geology, University of Iowa, U.S.A. (Feb., 1989)
            Department of Geology, University of Northern Illinois, U.S.A. (September, 1989)
            Department of Geology, University of Queensland, Australia (December, 1989)
            Department of Geology and Meteoritics, University of New Mexico, U.S.A (September, 1990)
            Department of Geology and Geophysics, University of Minnesota-Minneapolis, U.S.A. (November, 1990)

The origin of Archean lode gold deposits
            Department of Geology, Cornell College, U.S.A. (February, 1991)

The geology and geochemistry of the Broken Hill orebody, Australia
            Department of Geology, University of Ottawa, Canada (April, 1983)
            Department of Earth Sciences, Iowa State University, U.S.A (April, 1983)
            Department of Geology, University of Iowa, U.S.A. (October, 1984)

The origin of garnet-rich rocks associated with the Broken Hill deposit, Australia
            Department of Geology, University of New South Wales, Broken Hill, Australia (September, 1978)
            Toronto Geological Discussion Group, Engineers Club, Toronto, Canada (April, 1983)

Archean lode gold mineralization in the Wyoming Province, U.S.A.
            Department of Geology and Geophysics, University of Minnesota-Minneapolis (November, 1990)
            Department of Geology, University of Missouri-Columbia (April, 1983)

Manganese anomalies associated with volcanic exhalative sulfide deposits: the Broken Hill example
            Department of Geology, University of Western Ontario, Canada (March, 1979)

Zincian spinels as guides to metamorphosed massive sulfide deposits
            Department of Earth Sciences, Iowa State University, U.S.A. (April, 1983)

A sulfur isotope study of base metal mineralization in the Kanmantoo Group, South Australia
            Department of Geology, Queens College, City University of New York, U.S.A. (March, 1986)

Mineralogical and fluid inclusion characteristics of the epithermal Gies gold-silver telluride deposit, Judith Mountains, Montana
            Tobacco Root Geological Society, Great Falls, Montana, U.S.A. (August, 1991)

The origin of alkalic igneous rock-related gold-silver telluride deposits: the Golden Sunlight example, Montana
Department of Geology and Geophysics, University of Adelaide, Australia (December, 1999)
            Department of Geology, University of Iowa, U.S.A. (October, 2000) 

Gold-silver telluride deposits - Where they form and why they form
            Doe Run Mining Company, Viburnum, Missouri (September, 2001)

Unusual rock types as guides to metamorphosed massive sulfide deposits
            Department of Earth and Atmospheric Sciences, University of Alberta, Canada (March, 2002)
            Department of Geology, Cukurova University, Adana, Turkey (October, 2003)
            General Directorate of Mineral Research and Exploration, Ankara, Turkey (September, 2003)

The origin of alkaline igneous rock related gold-silver telluride deposits
            Department of Earth and Atmospheric Sciences, University of Alberta, Canada (March, 2002)
Anglogold Corporation, Cripple Creek & Victor Company, Cripple Creek, Colorado (September, 2002)
            Department of Geology, Cukurova University, Adana, Turkey (October, 2003)
            General Directorate of Mineral Research and Exploration, Ankara, Turkey (September, 2003)

The effects of deicing salts and anti-icing agents on the deterioration of Iowa highway concretes
            Deicing Salt Technical Panel of State Departments of Transportation, Sioux Falls, South Dakota (April, 2002)

Teaching Experience

University of Adelaide (1977‑1978)
            Teaching assistant for first year petrology and third year ore microscopy laboratory classes

University of Toronto (1979‑1982)
            Teaching assistant for first year petrology, second year crystallography, and second year transmitted light microscopy classes.  Continued participation in the internationally known University of Toronto Ore Deposits Workshop.  Subject matter Cu‑Pb‑Zn‑Ag‑Au (massive sulfide) deposits

Iowa State University (1983‑present)
Undergraduate and graduate teaching (see courses given at Iowa State University listed below)

Undergraduate
GEOL105X Gems and Gemstones (1 credit)
GEOL 311 Mineralogy and Earth Materials (5 credits)
GEOL 313/542 Optical Mineralogy (2 credits)
GEOL 302 Summer Field Studies, Iowa State University Field Camp, Shell, Wyoming (8 credits)
GEOL 324 Energy and the Environment (3 credits)
GEOL 365 Igneous and Metamorphic Petrology (3 credits)
GEOL 420X Minerals Resources (3 credits)
GEOL 481 Earth Resources (3 credits)

Graduate (M.S. and Ph.D. level)
GEOL 505 Geology of Mineral Resources (3 credits)   
GEOL 506 Geology Field Trip (2 credits)    
GEOL 507 Mineral Resources Field Trip (1 credit)
GEOL 579 Metallic Mineral Deposits (3 credits)
GEOL 520X Minerals Resources (3 credits)
GEOL 581 Earth Resources and the Environment (3 credits)
GEOL 582 Economic Geology (3 credits)
GEOL 587 Mineral Equilibria (3 credits)
GEOL 589 Geochemistry of Ore Deposits (3 credits)
GEOL 490 Independent Study; GEOL 590 Special Topics in Economic Geology (1-3 credits)

Undergraduate and Graduate Student Advising

While at Iowa State University, I have been advisor to approximately 50 undergraduate students and have served (or currently serving) as major professor to 25 graduate students (five Ph. D. and twenty M.S.).  The titles of completed and ongoing research projects are listed:

  • J. David Wonder ‑ The origin of manganese‑rich metasediments and their relationship to iron formation and base metal deposits, western Georgia piedmont.  Graduated 1987 with M.S. degree.
  • Keith B. Kutz ‑ A stable isotope and fluid inclusion study of minor Upper Mississippi Valley‑type sulfide mineralization in Iowa, Wisconsin and Illinois.  Graduated 1987 with M.S. degree.
  • Mark S. Koellner ‑ A study of the fluid inclusion, stable isotope and mineralogical characteristics of the Denton fluorspar deposit, Cave‑in‑Rock, Illinois.  Graduated 1987 with M.S. degree.
  • Henry D. Jones ‑ Stable isotope systematics of the Illinois‑Kentucky fluorspar district.  Graduated 1987 with M.S. degree.
  • Krista I. McGowan ‑ Thermochemical conditions of formation of Archean gold vein mineralization at Atlantic City‑South Pass, Wyoming.  Graduated 1990 with Ph.D. degree.
  • Ping Liu ‑ The genetic relationship between Archean lode gold mineralization and banded iron formation at Jardine‑Crevasse  Mountain, Montana.  Graduated with M.S. degree in 1992.
  • Xiaomao Zhang ‑ The origin of gold‑telluride mineralization at the Gies mine, Judith Mountains, Montana.  Graduated with Ph.D. degree in 1992.
  • Gregory D. Fuhrmann ‑ A regional fluid inclusion study of the Illinois‑Kentucky fluorspar district.  Graduated with M.S. degree in 1994.
  • Maria M. Paredes ‑ A fluid inclusion and multi‑element study of the Golden Sunlight epithermal gold-silver telluride deposit, Whitehall, Montana.  Graduated with M.S. degree in 1994.
  • Michael J. Steenhoek - The petrogenesis of the Archean Lewiston Lakes greenstone belt, Wyoming. Graduated with M.S degree in 1996.
  • Guoliang Gan - The effect of magnesium chloride on concrete deterioration. Graduated with Ph.D. degree in 1996.
  • Jill L. Rosenberg - The effects of sulfidation and oxidation on the metamorphosed Bleikvassli lead-zinc-copper deposit, Nordland, Norway. Graduated with M.S. degree in 1998.
  • Hyomin Lee - The destructive ability of the growth of magnesium-rich minerals in highway concretes. Graduated with Ph.D. degree in 1999.
  • Sally D. Casey – Mineralogy and stable isotope characteristics of gold- silver telluride mineralization in the Berners Bay district, Alaska. Graduated with M.S. degree in 2000.
  • Nancy L. Scherbarth - The mineralogy and stable isotope characteristics of the Tuvatu gold-silver telluride deposit, Fiji. Graduated with M.S. degree in 2002.
  • David Pals - The spatial and temporal distribution of tellurides in the epithermal gold-silver telluride deposit, Fiji. Graduated with M.S. degree in 2002.
  • Jill Shackleton - The origin and zonation of tellurides in the giant mesothermal Kalgoorlie gold deposit, Kalgoorlie, Western Australia. Graduated with M.S. degree in 2002.
  • Adriana Heimann - The origin and exploration significance of meta-exhalites spatially associated with metamorphosed Proterozoic Cu-Pb-Zn deposits, Colorado. Graduated with M.S. degree in 2002.
  • Patrick Hook - Experimental studies of organic inhibitors on the growth of delayed ettringite in Iowa highway concrete.  Graduated with M.S. degree in 2005.
  • Adriana Heimann - The genesis of garnet- and gahnite-rich rocks in the Olary Domain of the Curnamona Province, South Australia. Graduated with Ph.D. in 2006.
  • Todd Bonsall – Fluid inclusion and geochemistry of the Lavrion silver district, Greece. Graduated with M.S. degree in 2007.
  • Nathan Forsythe – Geology and geochemistry of the Banana Creek-Central Ridges porphyry copper-epithermal gold system, Fiji. M.S. degree in progress.
  • Rory Martin – Carbonates of Iowa. M.S. degree in progress.
  • Jeff Steadman – The Proterozoic Foster River Zn-Pb deposit, northern Saskatchewan: Is it a Broken Hill-type deposit? M.S. degree in progress.
  • Andy Fornadel – The geology of the Palea Kavala bismuth-telluride deposit, northern Greece. M.S. degree in progress.

Current Research Projects

  • Meta-exhalites and unusual rock types as guides in the exploration for metamorphosed Proterozoic massive sulfide deposits - coworking with G. Teale (Teale and Associates, Australia).
  • The effects of metamorphism on the metamorphosed Angas Pb-Zn-Ag deposit, South Australia - coworking with R.A. Both (University of Adelaide, Australia)
  • Hydrothermal ore deposits in Greece – coworking with P. Voudouris (university of Athens) and V. Melfos (University of Thessaloniki)

Professional Service: National/International

  • Editorial Board: Economic Geology (Bulletin of the Society of Economic Geologists) - 1994-1998, 2000-2002, 2003-2007.
  • Editorial Board: Canadian Mineralogist - 2004-2006.
  • Editorial Board: Mineralogy and Petrology - 2004-present.
  • Guest Editor: Special Volume on Telluride and Selenide deposits.  Mineralogy and Petrology, 2006.
  • Councilor: Society of Geology Applied to Ore Deposits - 2004-2007.
  • U.S. Representative of the International Geological Correlations Programme-486 “Telluride and Selenide Deposits” - 2003-2008.
  • Editor: Proceedings volume (12 papers), International Geological Congress, 1989, Washington, D.C., Regional Metamorphism of Ore Deposits and Genetic Implications (with L.T. Bryndzia).
  • Secretary: International Working Group on Metamorphism of Ore Deposits‑International Association of the Geology of Ore Deposits (1990‑1998).  
  • Chair: International Working Group on Metamorphism of Ore Deposits‑International Association of the Geology of Ore Deposits (1999-2006).
  • Editor: Annual Newsletter: International Group on Metamorphism of Ore Deposits (International Association of the Geology of Ore Deposits) - 1989-1998.
  • Member: Thayer Lindsley Visiting Lecturer Committee, Society of Economic Geologists (1993-1995).
  • Chair: Thayer Lindsley Visiting Lecturer Committee, Society of Economic Geologists, 1996.
  • Chair: Committee on Committees, Society of Economic Geologists, 1993, 2003.
  • Member: Committee on Committees, Society of Economic Geologists, 2004.
  • Board of Natural Resources: National Association of State Universities and Land-Grant Colleges    (NASULGC) (1997-present).
  • Member: Mineralogical Society of America Lecture Program Committee, 1999-2002.
  • Member: Society of Economic Geology International Exchange Lectureship Committee, 2000-          2001
  • Member: Society of Economic Geologists Traveling Lecturers Committee (Thayer Lindsley               Lecturer), 2001-2003
  • Vice-Chair: Geological Society of America, North-Central Section Meeting, Ames, Iowa, 1996 (550 participants).
  • Chair: Geology section - Iowa Academy of Sciences Annual Meeting 1990; Vice‑chair for geology; Iowa Academy of Sciences Annual Meeting 1989.  Reviewer of abstracts for geology section.
  • Member: External Review Board for Department of Geology, University of Nebraska (February, 1990).
  • Member of Technical Advisory Board of Wildcat Exploration, Winnipeg, Manitoba, Canada.