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National Geologic Map Database

Geologic Unit: Butlers Bluff

Usage:

Butlers Bluff Member of Nassawadox Formation (VA*)


Geologic age:

Quaternary*
Pleistocene*


Type section, locality, area and/or origin of name:

Type section: Chesapeake Bay cliffs at Butlers Bluff between Picketts Harbor and Penn Central Railroad ferry landing, southern tip of Delmarva Peninsula, Northampton Co., VA (Mixon, 1985).
Principal reference section (subsurface): borehole CH-11, Nassawadox Formation type section (Mixon, 1985).


AAPG geologic province:

Atlantic Coast basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

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

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).