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Mineral Resources On-Line Spatial Data

Iowa geologic map data

A GIS database of geologic units and structural features in Iowa, with lithology, age, data structure, and format written and arranged just like the other states.
Geology of Iowa
[Legend for lithology colors]
Show in a web browser window:
Show in Google Earth or download KML:
Show in your GIS using OGC WMS: [Instructions]
Geological attributes: CSV format
Geologic units: Shapefile, polygon
Colors for lithology: ArcMap Style [Instructions]
[Outline] - [Questions & Answers] - [Plain text]
Legend indicating the meaning of colors on the interactive map
USGS Open-File Report 2005-1351
Preliminary integrated geologic map databases for the United States: Central states: Montana, Wyoming, Colorado, New Mexico, North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Texas, Iowa, Missouri, Arkansas, and Louisiana
Detailed report of data standardization procedures
GIS style files:
Methods used to create several styles for lithology or geologic time

Hershey H. G. 1969, Geologic Map of Iowa: Iowa Geological Survey, scale 1:500K

Geologic units in Iowa

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Page Last modified: 11:58 on 01-Oct-2015