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Geologic Unit: Black Canyon
Map showing publication footprint
  • Usage in publication:
    • Black Canyon group
  • Modifications:
    • Named
  • AAPG geologic province:
    • Great Basin province
    • Plateau sedimentary province
Publication:

Longwell, C.R., 1936, Geology of the Boulder Reservoir floor, Arizona-Nevada: Geological Society of America Bulletin, v. 47, no. 9, p. 1393-1476., See also GSA Proc., 1934, p. 91, 1935 (summary)


Summary:

Unit is named the Black Canyon group. Age is Tertiary [pre-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 ([ ]).

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