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National Geologic Map Database
Geologic Unit: Tamarack
Map showing publication footprint
  • Usage in publication:
    • Tamarack leuco adamellite
  • Modifications:
    • Named
  • Dominant lithology:
    • Quartz monzonite
  • AAPG geologic province:
    • Sierra Nevada province
Publication:

Parker, R.B., 1961, Petrology and structural geometry of pre-granitic rocks in the Sierra Nevada, Alpine County, California: Geological Society of America Bulletin, v. 72, no. 12, p. 1789-1806.


Summary:

Shown in geologic sketch map of western half of Markleeville 15-min quadrangle, Alpine Co., CA, in area next to Tamarack Lake. [Age not stated.]

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


Map showing publication footprint
  • Usage in publication:
    • Tamarack Leuco-adamellite
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Sierra Nevada province
Publication:

Koenig, J.B., 1963, Geologic map of California; Walker Lake sheet: California Division of Mines and Geology, scale 1:250,000


Summary:

Mapped with other similar granitic rocks in Walker Lake sheet as Jurassic and Cretaceous age.

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 ([ ]).