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Geologic Unit: Topache
Map showing publication footprint
  • Usage in publication:
    • Topache limestone*
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
    • Shale
  • AAPG geologic province:
    • Great Basin province
Publication:

Butler, B.S., 1913, Geology and ore deposits of the San Francisco and adjacent districts, Utah: U.S. Geological Survey Professional Paper, 80, 212 p., (incl. geologic map, scale 1:62,500)


Summary:

Named for Topache Peak, T28S, R11W, Beaver Co, UT in the Great Basin province. No type locality designated. Covers an area of about 2 1/2 sq mi in southeast part of map area. Also mapped in Beaver Mountains and north of West Spring in northeast part of map area. Geologic map. Conformably overlies Mowitza shale (new) of Devonian age. Conformably underlies Talisman quartzite (new) of Pennsylvanian? age. Divided into lower beds of heavy-bedded blue dolomitic limestone and some shaly limestone, siliceous and cherty beds, and upper blue limestone and a few shaly beds. About 1,500 ft thick. Fossils (listed) include brachiopods, crinoids, corals. Assigned to the Mississippian.

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


Map showing publication footprint
  • Usage in publication:
    • Topache Limestone
  • Modifications:
    • Not used
Publication:

Baer, J.L., 1962, Geology of the Star Range, Beaver County, Utah: Brigham Young University Geology Studies, v. 9, pt. 2, p. 29-52.


Summary:

Not used in this report. Rocks assigned by Butler (1913) to Topache Limestone in this area are reassigned to the Redwall Limestone (formerly the lower part of the Topache) and to the Callville Limestone (formerly the upper part of the Topache).

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


Map showing publication footprint
  • Usage in publication:
    • Topache Limestone*†
  • Modifications:
    • Abandoned
Publication:

Sandberg, C.A., and Poole, F.G., 1977, Conodont biostratigraphy and depositional complexes of Upper Devonian cratonic-platform and continental-shelf rocks in the western United States, IN Murphy, M.A., and others, eds., Proceedings of the 1977 annual meeting of the Paleontological Society on Devonian of western North America: University of California-Riverside, Campus Museum Contributions, Paleontological Society, 1977 annual meeting, Riverside, CA, November, 1977, no. 4, p. 144-182.


Summary:

Abandoned. Rocks formerly assigned to Topache Limestone are reassigned to the Devonian and Mississippian Fitchville Formation, Gardison and Deseret Limestones, and Humbug Formation.

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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