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  • Usage in publication:
    • Musinia Peak Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
    • Mudstone
  • AAPG geologic province:
    • Wasatch uplift
Publication:

Stanley, K.O., and Collinson, J.W., 1979, Depositional history of Paleocene-lower Eocene Flagstaff Limestone and coeval rocks, central Utah: American Association of Petroleum Geologists Bulletin, v. 63, no. 3, p. 311-323. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Named as the upper member (of 3) of Flagstaff Limestone for Musinia Peak in sec 28, T20S, R3E in Sanpete Co., UT on the Wasatch uplift, which is designated the type locality. Is characterized by blue to blue-gray biomicrite and micrite interbedded with yellowish-brown to gray mudstone. Contains abundant chert. Thickness not given. About 40 m is exposed on Musinia Peak where it overlies Cove Mountain Member (new) of Flagstaff Limestone. Thought to be of early Eocene age. Is part of a lacustrine-alluvial complex.

Source: GNU records (USGS DDS-6; Denver 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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