Nevada · Humboldt County
Past Producer

Virgin Opal Mine

Humboldt County, Nevada, United States
Gemstone
⌖ Show on mapUSGS source ↗
Description

I. Dow, G. Mathewson, A. Thompson, And Others

Commodities
PrimaryGemstone
Commodity typeN
Deposit
Deposit typeSedimentary
Deposit sizeS
Orebody formBLANKET
Ore controlSedimentary Bedding
Materials
Ore mineralsOpal
Geology
Host rockSandstone,Tuff,Volcanic Ash
Associated rockVolcanic Rock (Aphanitic)
StructureBedding
Economic & production
Development statusPast Producer
Discovery year1908
Identification
Deposit ID10045032
MRDS IDM232684
Alternate namesBonanza Mine
RegionNA
Data scoreB
Coordinates41.83876, -119.07852
References
CATHRALL, J. B., ET AL., 1978, MINERAL RESOURCES OF THE CHARLES SHELDON WILDERNESS STUDY AREA; U.S.B.S. OPEN-FILE REPORT 78-1002.NEVADA STATE INSPECTOR OF MINES, 1981, DIRECTORY OF NEVADA MINE OPERATIONS ACTIVE DURING CALENDAR YEAR 1980CATHRALL, J. G., ET AL., 1978