- Usage in publication:
-
- Ancho Canyon coal bed*
- Modifications:
-
- Areal extent
- Dominant lithology:
-
- Coal
- Shale
- AAPG geologic province:
-
- Las Vegas-Raton basin
Summary:
Pg. 237. Ancho Canyon coal bed of Raton Formation. Typically 2 beds of coal, each about 2 feet thick, separated by a hard, dense, carbonaceous shale bed 0.5 to 2 feet thick. Occurs in upper part of Raton Formation, about 1,150 to 1,200 feet above base and at about same stratigraphic position as the York Canyon coal bed. [Age is Paleocene.]
Exposed in vicinity of Ancho, Salyers, Gachupin, Bracketts and Vermejo River Canyons, central part of Raton coal field, Casa Grande 15-min quadrangle, Colfax Co., northeastern NM.
Source: Publication.
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 ([ ]).