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Chauga River Formation and Poor Mountain Formation, undivided

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Chauga River Formation and Poor Mountain Formation, undivided
State South Carolina
Name Chauga River Formation and Poor Mountain Formation, undivided
Geologic age Cambrian or Neoproterozoic
Lithologic constituents
Major
Metamorphic > Metasedimentary
Comments Western Piedmont, layered and stratified rocks Secondary unit descriptions from USGS Geologic Names lexicon: [Chauga River Formation] consists of fine-grained, dark, shimmering quartz schist, mica schists, graphite slates, limestones, and other rock types. [Poor Mountain] A narrow belt of Carolina gneiss series underlies Poor Mountain series, which comprises dark calcareous slates, marble, thin hornblende schists, ottrelite(?) schists, sandstones, and itacolumite. The white dolomitic marble of this zone grades to a dark-green pyroxenic mass, in places altered to hornblende.
References

Horton, J.Wright, and Dicken, Connie L., 2001, Preliminary Geologic Map of the Appalachian Piedmont and Blue Ridge, South Carolina Segment: U.S. Geological Survey, Open-File Report 01-298, CD, scale 1:500,000.

https://pubs.er.usgs.gov/publication/ofr01298

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search
Counties Greenville - Oconee - Pickens