USGS Visual Identifier
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Geologic Unit: Whitewater

Whitewater Formation (IN*,OH*)
Whitewater Formation of Maquoketa Group (IN)
Whitewater Formation of Cincinnati group (informal) (OH)
For informal usage, the rank or lithologic term should not be capitalized.

Ordovician, Late*
Geologic Province:
Cincinnati arch*

Areal Extent:

Type Locality:
Near Whitewater River, at Richmond, Wayne Co., IN (Nickles, 1903).

Unit Name History:
Named Whitewater beds (Nickles, 1903).
Revised to part of Maquoketa Group (Gray, 1972).
Revised in OH (Shrake and others, 1988).
Overview (Wahlman, 1992).
Not used (Holland, 1993).
Age modified (Frey, 1995).

Note: If you need more information, please contact Nancy Stamm (
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).

U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Database project personnel
Last modified: 15-Jan-2013