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Unnamed (middle part of Knox Group), including Longview Dolomite and Chepultepec Dolomite

(Olc) Unnamed (middle part of Knox Group) including (Olv) Longview Dolomite - Siliceous, gray, fine-grained, medium-bedded dolomite; interbeds of gray limestone in upper part. Thickness about 300 feet.; and (Oc) Chepultepec Dolomite - Light-gray, fine-grained, well-bedded dolomite, moderately cherty; fine-grained limestone locally in upper part; quartz sandstone beds at base. Average thickness about 800 feet.
StateTennessee
NameUnnamed (middle part of Knox Group), including Longview Dolomite and Chepultepec Dolomite
Geologic ageOrdovician
Original map labelOlc
CommentsEast-Central sheet
Primary rock typedolostone (dolomite)
Secondary rock typelimestone
Other rock typessandstone
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone
Sedimentary > Carbonate > Dolostone
Incidental
Sedimentary > Clastic > Sandstone
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
Geographic coverageAnderson - Campbell - Claiborne - Grainger - Hamblen - Hancock - Jefferson - Knox - Sevier - Union

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