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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Mountain Springs Formation
  • Modifications:
    • First used
  • AAPG geologic province:
    • Great Basin province
Publication:

Gans, W.T., 1970, The detailed stratigraphy of the Goodsprings Dolomite, southeastern Nevada-California: Dissertation Abstracts, sec. B, v. 31, no. 6, p. 3479-3480.


Summary:

First use of the Mountain Springs Formation. Age is Late Ordovician, Silurian, and Early Devonian.

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


Map showing publication footprint
  • Usage in publication:
    • Mountain Springs Formation
  • Modifications:
    • Named
    • Biostratigraphic dating
  • Dominant lithology:
    • Dolomite
  • AAPG geologic province:
    • Great Basin province
Publication:

Gans, W.T., 1974, Correlation and redefinition of the Goodsprings Dolomite, southern Nevada and eastern California: Geological Society of America Bulletin, v. 85, no. 2, p. 189-200.


Summary:

Unit is named the Mountain Springs Formation. Is divided into nine informal units. Consists of thin-bedded, gray dolomite. Thickness is 116 m at type. Disconformably overlies the Nopah Formation; underlies the Ironside Member of the Sultan Limestone. Age is Late Ordovician, Silurian, and Early Devonian based on fossils. (B1520)

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


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 ([ ]).