- Usage in publication:
-
- Lake Murray formation
- Modifications:
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- Original reference
- AAPG geologic province:
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- South Oklahoma folded belt
Summary:
Pg. 137 (fig. 2), 139-140. Lake Murray formation of Dornick Hills group. Proposed for strata from top of Otterville to top of Frensley limestone. Attains maximum development in Harrisburg trough where it is over 3,300 feet thick. Not a single sequence and may be divided into three units which are uniform throughout the trough; they are (ascending) Bostwick, Griffin sandstone (new), and Frensley members. Unconformably underlies Big Branch formation (redefined); unconformably overlies Golf Course formation (new). Age is Pennsylvanian (Atoka).
Named from exposures south of south shore of Lake Murray, Murray Co., southern OK.
Source: US geologic names lexicon (USGS Bull. 1200, p. 2084).
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 ([ ]).