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Mineral Resources > Online Spatial Data > Geology > by state

Connecticut geologic map data

[Legend for lithology colors]

View:

Show in a web browser window:

http://mrdata.usgs.gov/sgmc/ct.html

Show in Google Earth or download KML:

• ctgeol.kml (7.6M bytes)
• ctgeol.kmz (2.6M bytes)

Show in your GIS using OGC WMS:

http://mrdata.usgs.gov/services/ct?service=WMS&version=1.1.1&request=GetCapabilities& [Instructions]

or OGC WFS:

http://mrdata.usgs.gov/services/ct?service=WFS&version=1.0.0&request=GetCapabilities& [Instructions]

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

Download:

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]

Metadata:

[Outline] - [Questions & Answers] - [Plain text]

Legend indicating the meaning of colors on the interactive map

Publication:

USGS Open-File Report 2006-1272

Preliminary Integrated Geologic Map Databases for the United States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, Rhode Island and Vermont

http://pubs.usgs.gov/of/2006/1272/

Methodology:

Detailed report of data standardization procedures

http://pubs.usgs.gov/of/2006/1272/documents/CONUSdocumentationNENJ.pdf

GIS style files:

Methods used to create several styles for lithology or geologic time

http://pubs.usgs.gov/of/2005/1314/

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