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National Geologic Map Database

Geologic Unit: Matthews Landing

Usage:

Matthews Landing Marl Member of Porters Creek Formation of Midway Group (AL)
Matthews Landing Marl Member of Porters Creek Clay of Midway Group (AL*,MS*)


Geologic age:

Tertiary*
Paleocene*


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

Old Matthews Landing on Alabama River, in northern part of sec. 12, T. 12 N., R. 6 E., Wilcox Co., AL (Smith and Johnson, 1887).


AAPG geologic province:

Mid-Gulf Coast basin*


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

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).