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Connecticut geologic map data

A GIS database of geologic units and structural features in Connecticut, with lithology, age, data structure, and format written and arranged just like the other states.

View

Show in a web browser window:

Show in Google Earth or other KML viewer:

ctgeol.kml (Uncompressed, 7.6M)

ctgeol.kmz (Compressed, 2.6M)

List geologic units by state or county

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/ct (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/ct (WFS, version 1.1.0)

Use lithology_symbology.lyr ArcGIS layer file to symbolize lithology when using WFS

Download

Content Download Format
Geological attributes CTcsv.zip CSV format
Geologic units CTgeol_dd.zip Shapefile, polygon
Faults CTfaults_dd.zip Shapefile, arcs
Colors for lithology lith6_2.style ArcMap Style [Instructions]

Documentation

Metadata:

Outline - Questions & Answers - Plain text - XML
Legend indicating the meaning of colors on the interactive map

Publication

Sources

Connecticut Geological and Natural History Survey, DEP, in cooperation with the U.S. Geological Survey, 2000, Bedrock Geology of Connecticut, data format: shapefile, file name: bedrock, downloaded from: http://magic.lib.uconn.edu/cgi-bin/MAGIC_DBsearch2.pl?Geography=37800&Loc=0000 on 9/18/2003, scale 1:50,000.

Geologic units in Connecticut