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Geologic Unit: Easton
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Map showing publication footprint
  • Usage in publication:
    • Easton Metamorphic Suite*
  • Modifications:
    • Revised
Publication:

Tabor, R.W., Frizzell, V.A., Jr., Booth, D.B., Waitt, R.B., Whetten, J.T., and Zartman, R.E., 1993, Geologic map of the Skykomish River 30' x 60' quadrangle, Washington: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1963, 1 sheet, 42 p., scale 1:100,000 [http://ngmdb.usgs.gov/Prodesc/proddesc_10042.htm]


Summary:

Not compiled to date. Publication available online: http://ngmdb.usgs.gov/Prodesc/proddesc_10042.htm
Easton Metamorphic Suite. Includes Darrington Phyllite and Shuksan Greenschist. Easton terrane. Age is Early Cretaceous (metamorphic age).

Source: Publication.


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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