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National Geologic Map Database
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  • Usage in publication:
    • Taylor River Limestone Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
    • Arkose
    • Shale
  • AAPG geologic province:
    • Piceance basin
Publication:

Bartleson, Bruce, 1972, Permo-Pennsylvanian stratigraphy and history of the Crested Butte-Aspen region, IN De Voto, R.H., ed., Paleozoic stratigraphy and structural evolution of Colorado: Colorado School of Mines Quarterly, v. 67, no. 4, p. 187-248.


Summary:

Named as the basal member (of 5) of Gothic Formation for exposures north of Taylor River about 5 mi northeast of Almont, Gunnison Co, CO in the Piceance basin. Typical exposure (no type section designated) in sec 21, T15S, R84W, 1/4 mi north of Taylor River road between Jack's Cabin cut-off road and Rarick Creek. Is 210 ft thick at measured section where member is composed of gray, fossiliferous, thin-bedded, partly nodular, partly silty, partly sandy limestone, dark gray, very fine to silty, hard, calcareous arkose some beds of which are argillaceous, micaceous, and gray, silty, very calcareous shale that is interbedded with siltstone and limestone. Fossils include corals, fusulinids, algae, brachiopods--similar to fauna in middle part of Robinson Member of Minturn. Occasional plant fossils. Middle one-third largely covered. Overlies and underlies unnamed part of Gothic. Is approximately 725 ft below top of Gothic. Middle Pennsylvanian, Desmoinesian age. Cross section.

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.

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