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Geologic Unit: Airport
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  • Usage in publication:
    • Airport Sandstone Member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
    • Shale
    • Limestone
  • AAPG geologic province:
    • Green River basin
Publication:

Smith, J.H., 1961, A summary of stratigraphy and paleontology upper Colorado and Montanan Groups south-central Wyoming, northeastern Utah, and northwestern Colorado, 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. 101-112.


Summary:

Pg. 101-102, pl. 1. Airport sandstone member of Baxter shale. Name applied to series of sandstones and limestones in Baxter shale. Includes Hale's (1950, Wyoming GeoI. Assoc. Gdbk. 5th Ann. Field Conf.) "marker-bed" in which index fossil DESMOCAPHITES BASSLERI was found. Present study shows so-called marker bed is 285 feet below actual top of Airport member as herein defined. This marks boundary between Upper Cretaceous Colorado and Montanan groups and dates member as Telegraph Creek in age. Thickness about 500 feet both in outcrop and subsurface. Age is Late Cretaceous.
Type locality: Rock Springs City Airport, in sec. 30, T. 19 N., R. 103 W., Sweetwater Co., southwestern WY.

Source: US geologic names lexicon (USGS Bull. 1350, p. 9).


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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