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National Geologic Map Database

Geologic Unit: Moore Hollow

Usage:

Moore Hollow Group (TX)


Subunits:

(alphabetical) --all in TX: Riley Formation, Wilberns Formation.


Geologic age:

Cambrian, Middle
Cambrian, Late


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

East Canyon, south of Moore Hollow, Llano Co., TX. Named from Moore Hollow, southeast Riley Mountains, Llano Co., TX (Barnes and Bell, 1977).


AAPG geologic province:

Permian basin
Bend arch
Kerr basin
Strawn basin
Llano uplift


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 ([ ]).