Mine detail: Johnson

Previously called 'Usbm Sample Localities #38-41'

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Location

Lat / long:

38.94245, -114.30084

Resource(M)

Primary:	Tungsten
Secondary:	Silver
Tertiary:	Lead, Antimony, Copper
Gangue:	Beryl, Feldspar, Mica, Pyrite, Quartz, Scheelite, Topaz
Orebody form:	TABULAR
Discovery year:	1908

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1943

Geology

Host type:	Diorite
Associated type:	Diorite

References

MRDS	M031308
DEP	10103581
Reference	{Deposit:: HOSE, BLAKE, & SMITH, 1976, GEO. AND MINERAL RESOURCES OF WHITE PINE CO. NEV., NEV BUREAU OF MINES AND GEO. BULLETIN 85}{Deposit:: STAGER, H.K., IN PREPARATION, NBMG BULL. ON TUNGSTEN DEPOSITS IN NEVADA}{Deposit:: LINCOLN, F.C., 1923, MINING DISTRICTS AND MINERAL RESOURCES OF NEVADA: NEVADA NEWSLETTER PUB. CO., RENO, NEVADA.}{Deposit:: USBM, 1983, MILS DATA}{Deposit:: USBM, 1983, OPEN FILE REPORT MLA 56-83.}{Production:: STAGER, IN PREPARATION}
Reporter	Giorgi, Albert John (Roberts, Ralph), La Pointe, D.D. (Tingley, J.V.)