Montana · Powell County
Past Producer
Blue - Eyed Maggie Mine
Powell County, Montana, United States
Lead
Gold
Silver
Antimony
Zinc
Copper
Arsenic
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USGS source ↗
Commodities
Primary
Lead, Gold, Silver
Secondary
Antimony, Zinc, Copper
Tertiary
Arsenic
Commodity type
M
Deposit
Deposit size
S
Orebody form
TABULAR
Ore control
Fracture Zone Produced By Low Angle Reverse Faulting
Materials
Ore minerals
Boulangerite, Chalcopyrite, Galena, Gold, Sphalerite, Tetrahedrite
Gangue
Pyrite, Quartz, Stibnite
Geology
Host rock
Basalt
Associated rock
Tuff,Andesite,Basalt · Elkhorn Mountain Volcanics
Structure
Boulder Batholith, Fault 40 Ft. W Of Main Workings - Strikes N 15 W Dips 60 E. An E - W Fracture Strikes N 70 E Dips 75 Nw.
Tectonic setting
Cordilleran Miogeosyncline
Alteration
Silicification & Oxidation, Hydrothermal
Economic & production
Development status
Past Producer
First production
1910
Discovery year
1897
Identification
Deposit ID
10071370
MRDS ID
W014712
Region
NA
Data score
B
Coordinates
46.37518, -112.58367
References
MBMG MEM 34MBMG BULL 98, P. 18, 19, 57.USGS BULL 842, P. 277-79.USGS BULL 842, P. 277; MBMG BULL 98, P. 57.