Mine detail: Clifford Mine

Previously called 'Helena'

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Location

Lat / long:

38.13938, -116.48034

Resource(M)

Primary:	Silver
Secondary:	Gold
Ore:	Cerargyrite, Gold, Proustite, Pyrargyrite, Silver, Stephanite
Gangue:	Jarosite, Pyrite, Quartz
Orebody form:	PIPES AND BUNCHES
Discovery year:	1906

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Rhyolite,Andesite
Associated type:	Rhyolite,Andesite
Alteration processes:	Silicification, Leached Rhyolitic Volcanics

References

MRDS	M231536
DEP	10044175
Reference	{Deposit:: KRAL, V.E., 1951, MINERAL RESOURCES OF NYE CO.: NEV. BUR. OF MINES AND GEOL., BULL. 50, P. 42-43}{Deposit:: FERGUSON, H.G., 1916, THE GOLDEN ARROW, CLIFFORD, AND ELLENDALE DISTRICTS: USGS BULL. 640-F, P. 121-122.}{Deposit:: NBMG FILE 220, ITEM 1.}{Deposit:: NBMG FILE 220, ITEM 2.}{Production:: KLEINHAMPL & ZIONY, 1980}
Reporter	Wong, George (Roberts, Ralph), La Pointe, D.D. (Tingley, J.V.)