Carters Limestone

The Carters Limestone is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period. The Carters contains abundant invertebrate fossils, including corals, stromatoporoids, brachiopods and bryozoans, mollusk (gastropods, bivalves and orthoconic cephalopods) and trilobites. Trace fossils also occur. The unit has several volcanic ash (bentonite) beds and is known to have isolated reef development.

Carters Limestone
Stratigraphic range: Middle Ordovician
TypeFormation
Unit ofLower and Upper Members
UnderliesHermitage Formation
OverliesLebanon Limestone
Thickness9–28 m (30–92 ft)
Lithology
PrimaryThin-bedded to massive limestone
OtherThin shale and bentonite beds
Location
RegionCentral Basin, Tennessee
Country United States
ExtentCentral Tennessee
Type section
Named byJ. M. Stafford

See also

References


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