Usage:
Agort Chert of Riva (1970) (NV*-recognized locally in HD Range area)
Geologic age:
Late Ordovician*
Type section, locality, area and/or origin of name:
Type section: steep slope on northeastern flank of HD Range, Elko Co., northeastern NV (Riva, 1970).
Reference section: on steep slopes between type section of Noh Formation on hill overlooking Bell Canyon, 1 mi northwest of Bell Mine (Riva, 1970).
Named from Agort Pass which separates northern end of HD Range from Blanchard Mountain, [Blanchard Mountain 7.5-min quadrangle, Elko Co., northeastern NV] (Riva, 1970).
[HD Range unlabeled on topographic maps; occurs btw. Lat. 41 deg. 37 min. 31 sec. N. and 41 deg. 29 min. 59 sec. N., Long. 114 deg. 37 min. 34 sec. W. and 114 deg. 30 min. 04 sec. W., Knoll Mountain SE, Texas Spring, Blanchard Mountain, Knoll Mountain, and Wine Cup Ranch 7.5-min quadrangles, Elko Co., northeastern NV (USGS GNIS database, accessed June 25, 2014).
Bell Mine located at approx. Lat. 41 deg. 38 min. 30 sec. N., Long. 114 deg. 36 min. 00 sec. N., Texas Spring 7.5-min quadrangle, Elko Co., northeastern NV (USGS historical topographic map collection TopoView, accessed August 9, 2018).]
AAPG geologic province:
Great Basin province*
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 ([ ]).