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Map showing publication footprint
  • Usage in publication:
    • Bell Mountain sandstone member*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Basin-and-Range province
Publication:

Winchester, D.E., 1920, Geology of Alamosa Creek Valley, Socorro County, New Mexico, with special reference to the occurrence of oil and gas, IN Contributions to economic geology, 1920; Part 2, Mineral fuels: U.S. Geological Survey Bulletin, 716-A, p. 1-15.


Summary:

Bell Mountain sandstone member of Miguel formation. Top member of Miguel formation. Consists of thick-bedded, yellow to gray, coarse sandstone, containing HALYMENITES at top and INOCERAMUS at base. Thickness 79 feet. Lies about 983 feet above Gallego sandstone member. Age is Late Cretaceous.
Well exposed near foot ot Bell Mountain, in T. 3 N., R. 9 W., Socorro Co. [Catron Co.], Alamosa Creek Valley [now Alamocita Creek], southwestern NM. [Bell Mountain is in Catron County (est. Feb. 1921), Magdalena quadrangle, scale 1:100,000.]

Source: US geologic names lexicon (USGS Bull. 896, p. 154).


Map showing publication footprint
  • Usage in publication:
    • Bell Mountain sandstone member†
  • Modifications:
    • Abandoned
  • AAPG geologic province:
    • Orogrande basin
Publication:

Dane, C.H., Wanek, A.A., and Reeside, J.B., Jr., 1957, Reinterpretation of section of Cretaceous rocks in Alamosa Creek Valley area, Catron and Socorro Counties, New Mexico: American Association of Petroleum Geologists Bulletin, v. 41, no. 2, p. 181-196. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 187. †Bell Mountain sandstone member of †Miguel formation. Abandoned because unit that was so named is merely an upfaulted duplication of Gallego sandstone member of Gallup sandstone.

Source: US geologic names lexicon (USGS Bull. 1200, p. 290).


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 ([ ]).

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