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Geologic Maps

Geologic maps listed here are available in pdf format. GIS data available where indicated, in GeMS [National Geologic Map Schema] geodatabase format. GeMS format zip files include geodatabases, open data format shapefiles, pdf map layouts, and supplemental information. 
Additional maps not listed may be available through the Connecticut Geological Survey.


state map

 
Published Quadrangle Maps:
State Geological Survey Quadrangle Reports: Comprehensive peer reviewed geologic reports with maps for 7.5 minute quadrangle areas.
USGS Geologic Quadrangles and Other Published Maps

Unpublished Maps:
Open File Bedrock Maps
: Preliminary geologic maps, considered provisional pending peer review. Some have GIS data available. 
Other archival maps

 
Other state and town maps available through a cooperative arrangement between DEEP and UConn:
http://cteco.uconn.edu/map_catalog.asp

 

State Geological & Natural History Survey Surplus Publications are available and free to educators.

Content last updated November 1, 2022