U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Geologic Units: Weber
Map showing publication footprint
  • Usage in publication:
    • Weber grits
  • Modifications:
    • Original reference
  • AAPG geologic province:
    • Eagle basin
Publication:

Emmons, S.F., 1882, Geology and mining industry of Leadville, Lake County, Colorado, IN Powell, J.W., Second annual report of the United States Geological Survey to the Secretary of the Interior, 1880-1881: U.S. Geological Survey Annual Report, 2, p. 203-292. [Available online from the USGS PubsWarehouse: http://pubs.er.usgs.gov/pubs/ar/ar2]


Summary:

Pg. 215-230; 1883 (USGS Leadville Atlas); and 1886 (USGS Monograph 12). [A name applied, on questionable correlation with Weber quartzite of Utah, to 940 feet of coarse-grained arkose, micaceous sandstones, and quartzites alternating with beds of sandy micaceous, argillaceous, and sometimes bituminous shale, overlying so-called "Weber shales." The name was also used by Emmons to include "Weber grits" and "Weber shales." Age is Pennsylvanian.]

Source: US geologic names lexicon (USGS Bull. 896, p. 2294).


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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Wed 12 Mar 2025 04:09:43 PM MDT