Mine detail: Porphyry Tunnel

Previously called ''

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Location

Lat / long:

40.56825, -114.80894

Resource(M)

Primary:	Lead
Secondary:	Silver, Copper
Ore:	Copper, Lead, Pyrite
Gangue:	Chlorite, Kaolin, Limonite, Quartz
Discovery year:	1931

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host type:	Granite
Structure:	Sprucemont Thrust
Alteration processes:	Some Silication, Kaolinization

References

MRDS	M233951
DEP	10046042
Reference	{Deposit:: GRANGER, A.E., ET ALL, (1957), GEOLOGY AND MINERAL RESOURCES OF ELKO COUNT, NEVADA, U. OF N. BULL. 54}{Deposit:: SCHRADER, F.C, 1931, SPRUCE MOUNTAIN DISTRICT, ELKO COUNTY, U. OF N. BULL. VOL XXV, NO. 7}
Reporter	Tingley, J.V.