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Map showing publication footprint
  • Usage in publication:
    • Fairplay Dolomite Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolomite
  • AAPG geologic province:
    • South Park basin
Publication:

Gerhard, L.C., 1972, Canadian depositional environments and paleotectonics, central Colorado, IN De Voto, R.H., ed., Paleozoic stratigraphy and structural evolution of Colorado: Colorado School of Mines Quarterly, v. 67, no. 4, p. 1-36.


Summary:

Named provisionally as the upper member of the Manitou Limestone of the Horseshoe Mountain Group (new) in its southeast province near Fairplay, Park Co, CO in the South Park basin. No type locality designated. Overlies Ptarmigan Chert Member (also provisionally named) of the Manitou Limestone. Consists of massive dolomite--but no bedded chert. Algal stromatolites and oncolites common. Content of detrital quartz increases upward. Unconformably overlain by younger Ordovician or Upper Devonian rocks. Correlation chart.

Source: GNU records (USGS DDS-6; Denver GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Fairplay Member†
  • Modifications:
    • Abandoned
Publication:

Gerhard, L.C., 1974, Redescription and new nomenclature of Manitou Formation, Colorado: American Association of Petroleum Geologists Bulletin, v. 58, no. 7, p. 1397-1406. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

The provisionally named Fairplay Member, upper member of Manitou Limestone of Horseshoe Mountain Group (new) replaced by name Leavick Tarn Dolomite Member (new) of Manitou Formation (rank term changed) of Horseshoe Mountain Group. Name Fairplay is preempted.

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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