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National Geologic Map Database

Geologic Unit: Andrew

Usage:

Andrew Formation (AL*,LA*,MS*)


Geologic age:

Early Cretaceous (Comanchean Provincial Epoch)*


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

Type section (subsurface): depth-interval 9,800 to 11,360 ft, Gulf Oil Company No. 25 J.M. Andrew well, Baxterville oil field, in sec. 6, T. 1 N., R. 16 W., Lamar Co., central MS (Eargle, 1964).


AAPG geologic province:

Mid-Gulf Coast basin*
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 ([ ]).