U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • American Nettie quartzite*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Quartzite
  • AAPG geologic province:
    • San Juan Mountains province
Publication:

Irving, J.D., 1905, Ore deposits of the Ouray district, Colorado, with a note on the geology by Ernest Howe, IN Contributions to economic geology, 1904: U.S. Geological Survey Bulletin, 260, p. 50-77.


Summary:

Pg. 56. American Nettie quartzite. [In geologic section of Gold Hill, Ouray district, southwestern Colorado, on this page, the upper part of Dakota formation is called American Nettie quartzite. It seems to be named for a mine. Age is Late Cretaceous.]

Source: US geologic names lexicon (USGS Bull. 896, p. 45).


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: Thu 04 Apr 2024 03:46:54 PM MDT