66th Annual Tri-State Geological Field Conference

Thank you to all participants for coming to Ames and making tri-state 05 a success (despite a bit of rain)! The field conference took place on September 24/25, 2005 in central Iowa and was hosted by Iowa State University.

Tri-State 2005 participants

NOTE: All guidebook files are PDFs.

Introduction

• Guidebook (Intro)

Whatoff's Borrow Pit: Tills, moraines, and dynamics of the Des Moines Lobe.

• Photos: 1 - 2 - 3 - 4 - 5 - 6
• Guidebook stop 1 - stop1A

Ada Hayden Park/Lake: Hydrology of the water supply for the City of Ames and its history

• Photos: 1 - 2 - 3 - 4 - 5 - 6
• Guidebook: stop 2

Dolliver State Park: Paleozoic sediments: depositional environment, paleogeographic setting, current geomorphology

• Photos: 1 - 2 - 3 - 4 - 5 - 6
• Guidebook: stop 3

Bjorkboda Marsh: Moraine formation and history of the Des Moines Lobe

• Photos: 1 - 2 - 3 - 4 - 5 - train
• Guidebook: stop 4

Des Moines River Valley: Erosion and terrace formation with the retreat of the Des Moines Lobe

• Photos: 1 - 2 - 3 - 4
• Guidebook: stop 5

Montour Quarry near LeGrand: Formations of the lower Mississippian overlain by Pleistocene paleosols

• Photos: 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8
• Guidebook: stop 6