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Map showing publication footprint
  • Usage in publication:
    • Coal Valley formation
  • Modifications:
    • Named
  • AAPG geologic province:
    • Great Basin province
Publication:

Axelrod, D.I., 1956, Mio-Pliocene floras from west-central Nevada: University of California Publications in Geological Sciences, v. 33, 321 p.


Summary:

Unit is named the Coal Valley formation. Age is Miocene to Pliocene.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Coal Valley Formation*
  • Modifications:
    • Adopted
    • Age modified
  • AAPG geologic province:
    • Great Basin province
Publication:

Whitebread, D.H., 1976, Alteration and geochemistry of Tertiary volcanic rocks in parts of the Virginia City quadrangle, Nevada: U.S. Geological Survey Professional Paper, 936, 43 p.


Summary:

Coal Valley Formation (Axelrod, 1956) is adopted. Age is late Miocene to middle Pliocene.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Coal Valley Formation*
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Great Basin province
Publication:

Stewart, J.H., 1980, Westward streamflow in Miocene of west-central Nevada, IN Geological Survey Research 1980: U.S. Geological Survey Professional Paper, 1175, p. 89.


Summary:

Age of the Coal Valley Formation is revised from late Miocene to middle Pliocene to late Miocene (8-11 Ma).

Source: GNU records (USGS DDS-6; Menlo GNULEX).


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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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