U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Fusselman

Usage:

Fusselman Dolostone (NM*,TX*)
Fusselman Formation (TX)


Subunits:

(alphabetical) --all in NM,TX: Chamberino Member, Crazycat Member, Flag Hill Member.


Geologic age:

Early Silurian*


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

Not designated (Richardson, 1908).
Named from Fusselman Canyon in the Franklin Mountains, El Paso Co., TX (Kelley and Silver, 1952).


AAPG geologic province:

Orogrande basin*
Basin-and-Range province*
Permian 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 ([ ]).