Usage:
Cross Member of Santee Limestone (GA*,SC*)
Cross Formation (SC)
/Cross Formation of Orangeburg Group (SC)
[A formation or its parts may not be assigned to two vertically adjacent groups (NACSN, 1983, Art. 28b).]
Geologic age:
Tertiary*
Eocene, middle*
Claibornian, middle*
Eocene, late
Type section, locality, area and/or origin of name:
Type section: exposures at Martin Marietta Company's Berkeley quarry, 2.4 km south of intersection of SC Highways 6 and 59, Chicora 15-min quadrangle, Berkeley Co., southeastern SC (Ward and others, 1979).
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).