- Usage in publication:
-
- Magpie dolomite member
- Modifications:
-
- Named
- Dominant lithology:
-
- Dolomite
- AAPG geologic province:
-
- Anadarko basin
Summary:
Named, as the second oldest member of five named members of the Blaine division, for the name of the permanent camp of an Arapahoe Chief of the name Magpie, Bitter Creek, Blaine Co, OK in the Anadarko basin. No type locality designated. Lies above a red shale above the Ferguson gypsum member (new) of the Blaine. Is a ledge of arenaceous dolomite which varies from 1 to 3 ft thick, locally 10 or 12 ft. Overlain by second gypsum member, Medicine Lodge gypsum member of the Blaine. Permian 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 ([ ]).