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Mineral Resources On-Line Spatial Data

Ordovician Breccia

Ordovician Breccia - Limestone and dolomite fragments ranging in size from a fraction of an inch to several feet.
StateTennessee
NameOrdovician Breccia
Geologic ageOrdovician
Original map labelObr
CommentsEast-Central sheet
Primary rock typetectonic breccia
Secondary rock typelimestone
Other rock typesdolostone (dolomite)
Lithologic constituents
Major
Tectonite > Cataclasite
Minor
Sedimentary > Carbonate > Dolostone
Sedimentary > Carbonate > Limestone
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

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