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National Geologic Map Database
Geologic Unit: Mexican Dam
Map showing publication footprint
  • Usage in publication:
    • Mexican Dam 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:

Unit is named the Mexican Dam Bed. Occurs at two localities above the highest shoreline of glacial Lake Lahontan, near Carson City, NV. Consists of white, rhyolitic tephra containing elongated glass shards. Overlies the Dibekulewe Bed (new). Age is Pleistocene. (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 ( ).

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