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  • Usage in publication:
    • Wearyman dolomite member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolomite
  • AAPG geologic province:
    • Eagle basin
Publication:

Tweto, Ogden, 1949, Stratigraphy of the Pando area, Eagle County, Colorado: Colorado Scientific Society Proceedings, v. 15, no. 4, p. 149-235.


Summary:

Named as basal member of Minturn formation for exposures near Wearyman Creek, Minturn quad, Eagle Co, CO in Eagle basin. No type locality designated. Measured section on southwest slope of Hornsilver Mountain. Composed of light-gray to buff, finely crystalline, slightly siliceous dolomite pitted with cavities. Ranges from 15 to 75 ft thick. Lies 2,600 ft above Belden shale. Measured sections. Underlies gray grit and conglomerate of Minturn. Overlies Belden shale. Is of algal origin. Locally contains crinoids, brachiopods, bryozoans, and fusulinids. Assigned to the Pennsylvanian.

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