- Usage in publication:
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- Black Creek Member
- Modifications:
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- Named
- Dominant lithology:
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- Sandstone
- AAPG geologic province:
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- Black Mesa basin
Summary:
Pg. 15-32. Black Creek Member of De Chelly Sandstone. Characterized by very light colored sandstones that contain quartz cement. Horizontally stratified sandstones alternate vertically with cross-stratified units and constitute as much as 50 percent of member. [Thickness up to 225 feet.] Overlies White House Member (new); underlies Fort Defiance Member (new). Baars (AAPG Bull., v. 46, no. 2, 1962) Glorieta Sandstone of eastern Defiance Plateau is unit herein called Black Creek Member. It is not split by Yeso Formation of Baars but directly overlies White House Member wherever both members are present. Age is Permian.
[Type section]: exposures along Black Creek, Defiance Plateau, Apache Co., northeastern AZ.
Source: US geologic names lexicon (USGS Bull. 1350, p. 73-74).
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 ([ ]).