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Map showing publication footprint
  • Usage in publication:
    • Bridgetimber gravel*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Gravel
  • AAPG geologic province:
    • San Juan basin
Publication:

Atwood, W.W., and Mather, K.F., 1932, Physiogeography and Quaternary geology of the San Juan Mountains, Colorado: U.S. Geological Survey Professional Paper, 166, 176 p.


Summary:

Bridgetimber gravel. Ancient gravel fans of coarse gravel, composed of bowlders and pebbles. Thickness 0 to 20 feet. Contemporaneous with Los Pinos and Bayfield gravels. Caps Bridge Timber Mountain, southwest of Durango, southwestern Colorado. Age is Tertiary(?) (Pliocene?).

Source: US geologic names lexicon (USGS Bull. 896, p. 263-264).


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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