U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS

National Geologic Map Database

NGMDB

Geologic Unit: Bonham

Usage:

Bonham Marl (TX*)
Bonham Clay of Austin Group (TX)


Geologic age:

Late Cretaceous*


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

Named from exposures a short distance north of town of Bonham, Fannin Co., TX, and for fact that town, especially the part north of railroad, is located on the clay (Stephenson, 1927).


AAPG geologic province:

Ouachita folded belt*
South Oklahoma folded belt


NGMDB

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 ([ ]).

Find Us:

twitter

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
URL: http://ngmdb.usgs.gov
Page Contact Information: Personnel
Page Last Modified: Tue Jun 3 17:00:35 2014