Skip to main content
The University of Iowa
University of Iowa
College of Engineering

Iowa Geological Survey

Top links

  • GeoSam
  • Publications

Site Main Navigation

  • About Us
    • From the State Geologist
    • IGS History, Vol. I
    • IGS History, Vol. II
    • IGS Today
  • Services
    • Get a Quote
    • Geophysics
    • Groundwater Modeling
    • Stratigraphy & General Geology
    • Drilling Services
    • Sediment Lab
  • Iowa Geology
    • Landforms of Iowa
    • Popular Interest
    • Parks of Iowa
    • Hazards
    • FAQs
  • Research
    • Drought Source Water
    • Floodplain Processes
    • Geophysics
    • Groundwater Modeling
    • Hydrogeology
    • Mineral Resources
    • Paleontology
    • Stratigraphy & General Geology
    • Water Quality
    • Watersheds
  • Data and Publications
  • What's New
    • Having Our Say
  • Contact Us
    • Meet the Team
    • Ask a Geologist
    • Visit Us
    • Donate to IGS
Photo from inside a cave

Breadcrumb

  1. Home
  2. Iowa Geology
  3. Popular Interest

Popular Interest

Browse the topics below to learn more about Iowa’s geology.

Photo from inside a cave

Karst/Caves

Photo of geode interior

Geodes

Photo of a fossil in a rock

Fossils

Photo of wetlands

Landforms

Photo of a meteorite

Meteorites

People sitting on an overlook among fall foliage

Iowa Parks

Photo of minerals

Minerals

Map showing geology of Iowa

Earthquakes

The University of Iowa
University of Iowa

Iowa Geological Survey

 College of Engineering

300 Trowbridge Hall
Iowa City, Iowa 52242
319-335-1575

Social Media

  • Facebook
  • Twitter

Admin Login

Footer primary

  • IIHR—Hydroscience & Engineering
  • © 2024 The University of Iowa
  • Privacy Notice
  • UI Nondiscrimination Statement
  • Accessibility
  • UI Indigenous Land Acknowledgement