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Geologic Unit: Herat
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Map showing publication footprint
  • Usage in publication:
    • Herat shale member*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
    • Shale
  • AAPG geologic province:
    • Great Basin province
Publication:

Nolan, T.B., 1930, Paleozoic formations in the Gold Hill quadrangle, Utah: Washington Academy of Sciences Journal, v. 20, no. 17, p. 421-432.


Summary:

Pg. 421-432. Herat shale member of Ochre Mountain limestone. Thin and poorly exposed horizon of black shale interbedded with sandstone, lying 1,700+/- feet above base of western facies ot Ochre Mountain limestone. Age is Late Mississippian.
Named from Herat Mine near Clifton, Gold Hill 15-min quadrangle, Gold Hill district, Tooele Co., western UT.
[See also Nolan's USGS Prof. Paper 177, 1935.]

Source: US geologic names lexicon (USGS Bull. 896, p. 943).


Map showing publication footprint
  • Usage in publication:
    • Herat Shale Member*
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Great Basin province
Publication:

Poole, F.G., and Sandberg, C.A., 1991, Mississippian paleogeography and conodont biostratigraphy of the western United States, IN Cooper, J.D., and Stevens, C.H., eds., Paleozoic paleogeography of the western United States; Pacific Coast paleogeography symposium II: Society of Economic Paleontologists and Mineralogists, Pacific Section, Field Trip Guidebook, Bakersfield, CA, March 4-8, 1991, book 67, p. 107-136.


Summary:

Lower part of Herat Shale Member of Ochre Mountain Limestone assigned to the upper part of the Chesterian or Late Mississippian in the northern Deep Creek Mountains, UT, Great Basin province. [Upper part not discussed.] Correlation charts.

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 ([ ]).