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National Geologic Map Database
Geologic Unit: Yampa
Map showing publication footprint
  • Usage in publication:
    • Yampa limestone lentil*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Marble
  • AAPG geologic province:
    • Great Basin province
Publication:

Keith, Arthur, 1905, Areal geology of the Bingham district, Part I, IN Boutwell, J.M., Economic geology of the Bingham mining district, Utah, with a section on areal geology by Arthur Keith and an introduction on general geology by Samuel Franklin Emmons: U.S. Geological Survey Professional Paper, 38, p. 29-70. [Available online from the USGS PubsWarehouse: http://pubs.er.usgs.gov/pubs/pp/pp38]


Summary:

Pg. 43, map, sections. Yampa limestone lentil of Bingham quartzite. Present in Bingham district, north-central Utah. White siliceous cherty marble; nodules and irregular masses of chert are frequently found in it. Thickness 0 to 400 feet. Possibly is same as Commercial limestone. [In sections is shown as much younger than Highland Boy limestone.] Age is Pennsylvanian.
[Name is from Yampa mine.]

Source: US geologic names lexicon (USGS Bull. 896, p. 2381).


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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