Mine detail: Humboldt-Springer

Previously called 'NBMG Sample Site 2657FriedmanConstantine'

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Location

Lat / long:

40.78545, -118.13931

Resource(M)

Primary:	Tungsten
Secondary:	Molybdenum
Tertiary:	Manganese, Vanadium, Copper, Zinc, Silver, Gold
Ore:	Molybdenite, Scheelite
Gangue:	Pyrite, Pyrrhotite
Discovery year:	1906

Production

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

Geology

Host rock:	Lower Raspberry Formation
Host type:	Limestone
Associated rock:	Lower Raspberry Formation;Olsen Stock
Associated type:	Diorite,Hornfels
Structure:	Stank Fault, Numerous Cross Faults (Pre-Mineral And Post Mineral)
Alteration processes:	Silicification

References

MRDS	M231459
DEP	10111438
Reference	{Deposit:: JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 21}{Deposit:: KERR, 1946, TUNGSTEN MINERALIZATION IN THE UNITED STATES: GSA GSA MEMOIR 15}{Deposit:: STAGER, H. K., IN PREP, NBMG BULL ON TUNGSTEN DEPOSIS OF NEVADA.}
Reporter	Royse, Sue E., La Pointe, D.D. (Tingley, J.V.)