- Usage in publication:
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- Hulah sandstone*
- Modifications:
-
- Named
- Dominant lithology:
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- Sandstone
- AAPG geologic province:
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- Chautauqua platform
Summary:
Named for development at top of small ridge at east edge of town of Hulah near the center of SE-1/4 sec. 5, T28N, R12E, Osage Co., OK on the Chautauqua platform, these exposures are the type locality. Is a hard, 4 ft thick, yellow- or orange-weathering sandstone. Lies about 40 to 55 ft below Mission sandstone (named). Easily recognized on outcrop in northeast part of area. To southeast, however, Hulah is difficult to separate from other lenticular sandstones. PRODUCTUS fossils abundant. Columnar section. Pennsylvanian age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
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 ([ ]).