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 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 ([ ]).