Cincinnati Group

The Cincinnati Group is a geologic group in Kentucky, Ohio and Indiana. It is Upper Ordovician.

Cincinnati Group
Stratigraphic range: Late Ordovician
Brachiopod-rich Cincinnatian limestone (Waynesville/Bull Fork Formation, Ohio)
Type	Group
Sub-units	Drakes Formation, Preachersville Member, Whitewater Formation, Liberty Formation, Waynesville Formation, Arnheim Formation, Grant Lake Limestone, Bellevue Member, Corryville Member, Mount Auburn Member, and Straight Creek Member, Miamitown Shale, Fairview Formation, Kope Formation, Clays Ferry Formation Point Pleasant Tongue
Underlies	Cataract Group
Overlies	Trenton Group
Location
Region	Kentucky, Ohio, Indiana
Country	United States

Stratigraphy

Drakes Formation

Syneresis Cracks, Drakes Formation in Ohio

The Drakes Formation is a geologic formation in Kentucky. It preserves fossils dating back to the Ordovician.

Whitewater Formation

The Whitewater Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.^[1]

Description

The Whitewater was first named by J. M. Nickles in 1903.^[2] He described exposures of limestone and interbedded calcareous shale along the Whitewater River at Richmond, Wayne County, Indiana.

Fossils of Richmond South outcrop

An excellent exposure of the Whitewater Formation is a roadcut located on Route 27 south of Richmond, Indiana, at 39.7877 N, -84.9014 W.

• 
  Fossiliferous slab
• 
  Rugosa corals
• 
  Bryozoa
• 
  Small brachiopod
• 
  Another brachiopod
• 
  Bivalve

See also

• Earth sciences portal
• United States portal
• Ohio portal
• Indiana portal
• Paleontology portal

• List of fossiliferous stratigraphic units in Kentucky
• List of fossiliferous stratigraphic units in Ohio
• List of fossiliferous stratigraphic units in Indiana