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  • Usage in publication:
    • Carson Sink Bed
  • Modifications:
    • Named
  • AAPG geologic province:
    • Great Basin province
Publication:

Davis, J.O., 1978, Quaternary tephrochronology of the Lake Lahontan area, Nevada and California: Nevada Archaeological Survey Research Paper, no. 7, 137 p.


Summary:

Carson Sink Bed is named for an ashy parting in the Mono Basin Formation (new) in the Carson Desert of the Lake Lahontan area, NV. Tephra contains glass-encased biotite phenocrysts and is similar to the Salt Wells Member (new) of the Mono Basin Formation, but is much older. Interfingers with the lower member of the Sehoo Formation. Overlies the Pelican Island Bed (new) of the Pyramid Lake Member (new) of the Mount Mazama Formation and the Marble Bluff Bed (new); underlies the Timber Lake Bed (new) of the Pyramid Lake. Age is Pleistocene (35 to 11.5 ka). (B1565)

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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