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National Geologic Map Database
Geologic Unit: Divide
Map showing publication footprint
  • Usage in publication:
    • Divide andesite*
  • Modifications:
    • Named
  • AAPG geologic province:
    • Great Basin province
Publication:

Knopf, Adolph, 1921, The Divide silver district, Nevada: U.S. Geological Survey Bulletin, 715, p. 147-170.


Summary:

Unit is named the Divide andesite. Age is late(?) Miocene.

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


Map showing publication footprint
  • Usage in publication:
    • Divide Andesite*
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Great Basin province
Publication:

Albers, J.P., and Stewart, J.H., 1965, Preliminary geologic map of Esmeralda County, Nevada: U.S. Geological Survey Miscellaneous Field Studies Map, MF-298, 1 sheet, scale 1:200,000


Summary:

Age of the Divide Andesite is modified from late(?) Miocene to Pliocene.

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 ([ ]).