Iowa Geology Links
Cochise College  
USA Geology Links by State
Virtual Geology Museum 
Geology Home Page             
Roger Weller, geology instructor

wellerr@cochise.edu
 

links

last edited:  10/1/12

Archeology
Stone Artifacts

Bedrock Geology
Bedrock Geologic Map of Iowa

Caves
Crystal Lake Cave - Nature's Masterpiece of Underground Panorama-Dubuque,Iowa
Paleokarsts in Iowa

Coal
Coal mining in Webster County, Iowa
Ground Collapse Over Abandoned Coal Mines
History of Coal Mining in Iowa
Underground Coal Mines


Collecting Sites

Crinoids
LeGrand Crinoids
Spectacular crinoid specimen from Iowa

Devonian Fossil Gorge
Jones on Devonian Fossil Gorge

Earthquakes
Iowa seismicity map
Iowa seismic hazard map
earthquake history of Iowa
historic Iowa earthquakes

Flooding
1993 flood


Fossils
Jones on Stainbrook Geologic Preserve
Ancient Amphibians
Fossils of Iowa

Gem and Mineral Clubs
Iowa Gem and Mineral Clubs
Blackhawk Gem and Mineral Club

Geological Society of Iowa
Geological Society of Iowa-home page

Glaciers
Glacial Age Floods-DNR
Glacial Boulders in Iowa
Iowa's Heritage of Ice-DNR
Des Moines Lobe

Groundwater
A View of Underground Water-DNR
A Runaway Artesian Well
Where Groundwater Meets Surface Water-DNR
Sinkholes
Salt and Pepper Sands-DNR
Aquifers
Cambrian-Ordovician Aquifer

Gypsum
Fort Dodge Gypsum
Gypsum Resources of Iowa

Iowa Geological Survey
Iowa Geological Survey
 
Keokuk Geodes
Geodes-Iowa's State Rock-DNR
Keokuk Geodes
Geodes in Place
Keokuk Geodes-2

Landforms
Landform Regions of Iowa-DNR


Lead and Zinc Mining
Lead and Zinc Mining in the Dubuque Area

Limestone
Lithographic Limestone

Loess Hills
Loess Hills: A Geologic View
Loess Hills-Gully Erosion
Loess Hills: A National Natural Landmark

Manson Crater
Manson Crater-Wikipedia
Iowa's Manson Impact Structure
water supply affected by Manson meteor crater

Maps
Iowa maps from Omni Resources, world leader in map supply.
Shaded Relief Map of Iowa
Bedrock Geology Map of Iowa
Topography of Iowa
Bedrock Surface Map

Mineral Production
Mineral Production in Iowa

Minerals
MINERALS OF THE UNITED STATES  

Oil
Oil Exploration in Iowa

Raised Topographic Map
GIF image 900x642 pixels

Rivers
Ancient River Channels-DNR

Satellite View
Satellite Image of Iowa

Stainbrook Geologic Preserve
Jones on Stainbrook Geologic Preserve

Surface Geologic Map- Iowa
Surface Geologic Map of Iowa  **

Tectonics
midcontinent rift system in Iowa
Iowa's Almost Ocean