Nevada · Humboldt County
Past Producer
Opal Queen Group Mine
Humboldt County, Nevada, United States
Gemstone
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USGS source ↗
Commodities
Primary
Gemstone
Commodity type
N
Deposit
Deposit type
Sedimentary
Deposit size
S
Orebody form
BLANKET
Materials
Ore minerals
Opal
Geology
Host rock
Siltstone,Tuff,Volcanic Ash
Alteration
Montmorillonite Clay
Economic & production
Development status
Past Producer
Discovery year
1908
Identification
Deposit ID
10045024
MRDS ID
M232676
Region
NA
Data score
B
Coordinates
41.82987, -119.07158
References
CATHRALL, J.B., ET AL, 1978, MINERAL RESOURCES OF THE CHARLES SHELDON WILDERNESS STUDY AREA; USGS OPEN FILE REPORT 78-1002