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Ordovician Breccia

Ordovician Breccia - Limestone and dolomite fragments ranging in size from a fraction of an inch to several feet.
State Tennessee
Name Ordovician Breccia
Geologic age Ordovician
Comments East-Central sheet
Primary rock type tectonic breccia
Secondary rock type limestone
Other rock types dolostone (dolomite)
Lithologic constituents
Major
Tectonite > Cataclasite
Minor
Sedimentary > Carbonate > Limestone
Sedimentary > Carbonate > Dolostone
Map references
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.
Unit references
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.
Hardeman, W.D., and others, 1966, Geologic map of Tennessee: Division of Geology, Tennessee Department of Environment and Conservation, scale 1:250,000