Tennessee geologic map data

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


Show in a web browser window:

Show in Google Earth or other KML viewer:

tngeol.kml (Uncompressed, 121.6M)

tngeol.kmz (Compressed, 41.6M)

List geologic units by state or county

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/sgmc2 (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wfs/sgmc2 (WFS, version 1.1.0)


Content Download Format
Geologic units and attributes TN.zip SHP + CSV format



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



Geology available at Tennesse Spatial Data Server which can be found at http://www.tngis.org/geology.html which links to a USGS Water Resources Division site: http://water.usgs.gov/lookup/getspatial?geo250k Tennessee Spatial Data Server site notes: Thanks goes to Jim Julian for researching this improved geology layer from the Tennessee Division of Geology. **Note** - The Tennessee Division of Geology does not endorse this coverage, stating this version is still incomplete and not fit for distribution.

Polygon edits made my C.L. Dicken based on paper source (TN002).

Related topics

Geologic units in Tennessee