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Geologic Units: Ferguson
Map showing publication footprint
  • Usage in publication:
    • Ferguson sandstone lentil
  • Modifications:
    • Overview
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Powder River basin
Publication:

Purcell, T.E., 1961, The Mesaverde Formation of the northern and central Powder River basin, Wyoming, IN Wiloth, G.J., and others, eds., Symposium on Late Cretaceous rocks, Wyoming and adjacent areas: Wyoming Geological Association Field Conference Guidebook, no. 16, p. 219-228.


Summary:

Was a local [informal] name applied to a producing sandstone in the Barber Creek and Dead Horse Creek oil fields. Origin of name Ferguson not stated. Called a lentil in the Pumpkin Buttes member (named in this report). [Also called Pumpkin Buttes?. Term lentil should not be applied to a unit that is part of a member.] Consists of a basal dark-gray, micaceous, pyritic shale, 10 ft thick, in the Tennessee Gas Transmission No. 1 USA-Jones well, in sec 15, T50N, R76W. Occurs within the Pumpkin Buttes within quotes.

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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