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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Bell Valley andesite
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Andesite
  • AAPG geologic province:
    • Permian basin
Publication:

Hay-Roe, Hugh, 1957, Geologic map of Wylie Mountains and vicinity, Culberson and Jeff Davis Counties, Texas: University of Texas-Austin, Bureau of Economic Geology Geologic Quadrangle Map, GQ-0021, 1 sheet, scale 1:63,360, [1956]


Summary:

Bell Valley Andesite of Garren Group. Name proposed for a thick sequence of dark-gray olivine andesite flows. Maximum exposed thickness 610 feet on Chipsa Mountain. Youngest volcanic formation in area. Age is Tertiary.
Type section: north side of Chipsa Mountain, Wylie Mountains area, Jeff Davis Co., TX. Named from Bell Valley on north side of Chipsa Mountain.

Source: US geologic names lexicon (USGS Bull. 1200, p. 292-293).


Map showing publication footprint
  • Usage in publication:
    • Bell Valley andesite
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Permian basin

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 ([ ]).