Description
D. Roop, E. Mc Gee And G.T. Hill
Commodities
PrimaryGemstone
Commodity typeN
Deposit
Deposit typeSedimentary
Deposit sizeM
WorkingsSurface/Underground
Orebody formBLANKET
Ore controlPrecious Opal Occurs As "Conk" And In Void Fillings Left Where Wood Has Rotted Away.
Geology
Host rockSandstone
Associated rockVolcanic Rock (Aphanitic)
Economic & production
Development statusProducer
First production1925
Discovery year1905
Identification
Deposit ID10045025
MRDS IDM232677
RegionNA
Data scoreB
Coordinates41.79515, -119.01519
References
CATHRALL, J.B., ET AL, 1978, MINERAL RESOURCES OF THE CHARLES SHELDON WILDERNESS STUDY AREA; USGS OPEN FILE REPORT 78-1002.NEVADA STATE INSPECTOR OF MINES, 1981, DIRECTORY OF NEVADA MINE OPERATIONS ACTIVE DURING CALENDAR YEAR 1980.STATE INSPECTOR OF MINES, 1982-1985, DIRECTORIES OF NEVADA MINE OPERATIONS ACTIVE IN 1982-1985.WILLDEN, R., 1964, NBMG, BULL. 59.CATHRALL, J.B., ET AL., 1978