- Usage in publication:
-
- Winslow member*
- Modifications:
-
- Original reference
- AAPG geologic province:
-
- Black Mesa basin
- Plateau sedimentary province
Summary:
Pg. 86, 87 (fig. 1). Winslow member of Moenkopi formation. Composed largely of light-colored (gray) siltstones and mudstones with considerable bedded gypsum. Contrasts strongly with red-colored overlying Holbrook member and underlying Wupatki member (new) and in slope-forming tendencies. Thickness over 50 feet. [Age is Early Triassic.]
[Notable exposures in Winslow-Holbrook area, Little Colorado River area, Navajo Co., northeastern AZ.]
Source: US geologic names lexicon (USGS Bull. 1200, p. 4267).
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 ([ ]).