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National Geologic Map Database

Geologic Unit: Lion Mountain

Usage:

Lion Mountain Sandstone Member of Riley Formation of Moore Hollow Group (TX)
Lion Mountain Sandstone Member of Riley Formation (TX*)


Geologic age:

Late Cambrian (Dresbachian)*


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

Not designated. [Probably on southwest side of Lion Mountain along Highway 29.] Named from Lion Mountain, Burnet Co., TX (Bridge, 1937).


AAPG geologic province:

Llano uplift*
Kerr basin
Bend arch
Strawn basin
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 ([ ]).