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The studies of fluorspar localities in Utah made by the U. S. Geological Survey during and since the recent war are summarized. The fluorspar at the
Cougar Spar and Blue Bell mines in the Indian Peak Range of western Beaver
County occurs as fissure veins in fault and breccia zones in volcanic and intrusive rocks. At the Monarch (Staats) claims in west-central Beaver County
fluorspar was mined chiefly from a fault between limestone and rhyolite
porphyry. The Thomas Range district in Juab County has yielded sizeable
tonnages of fluorspar from pipes in faulted dolomite and rhyolite porphyry.
From 1918 to 1924 the Silver Queen mine in Tooele County produced fluorspar
from flssure veins in faulted limestone.
The report describes the geology of producing mines and the various prospects
examined. Production and reserves of fluorspar for Utah are summarized.
Suggested Citation
Thurston, W.R., Staatz, M., Cox, D.C., 1954, Fluorspar deposits of Utah: U.S. Geological Survey Bulletin 1005, Report: iv, 53 p.; 6 Plates: 24.87 x 28.32 inches or smaller, https://doi.org/10.3133/b1005.
Study Area
Publication type
Report
Publication Subtype
USGS Numbered Series
Title
Fluorspar deposits of Utah
Series title
Bulletin
Series number
1005
DOI
10.3133/b1005
Year Published
1954
Language
English
Publisher
U.S. Geological Survey
Description
Report: iv, 53 p.; 6 Plates: 24.87 x 28.32 inches or smaller