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National Geologic Map Database

Geologic Unit: Beckwith

Usage:

No current usage.
(Rocks of †Beckwith Formation (UT*,WY*) reallocated to Ephraim Conglomerate of Gannett Group, Stump Formation, and Preuss Sandstone (or Preuss Redbeds). See Ephraim, Preuss, and Stump.)


Geologic age:

Jurassic and Cretaceous


Type section, locality, area and/or origin of name:

Named from extensive development on leased State lands now forming part of Beckwith Ranch [e.g., along South Fork Leeds Creek], situated just east of Beckwith Station on Oregon Short Line. (Veatch, 1907; US geologic names lexicon, USGS Bull. 1200).
[Beckwith Station located in sec. 6, T. 22 N., R. 119 W., Beckwith 7.5-min quadrangle, Lincoln Co., southwestern WY.]


AAPG geologic province:

Central Western Overthrust
Green River basin


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).