Mine detail: Bunker Hill Mine

Previously called 'Empress Group Nbmg # 3662'

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Location

Lat / long:

39.11823, -119.67517

Resource(M)

Primary:	Copper, Silver, Gold
Tertiary:	Tungsten
Ore:	Scheelite
Gangue:	Limonite, Quartz, Talc
Orebody form:	QUARTZ VEIN

Production

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

Geology

Host type:	Shale,Sandstone,Limestone
Alteration processes:	The Workings At The Surface Have Been Mined Forming A Moderate-Sized Pit Where The Flat Lying Vein Is In Contact With A Highly Altered Meta-Limestone.

References

MRDS	M231049
DEP	10043769
Reference	{Deposit:: CARPER, AF, REPORT ON EMPRESS GROUP, UNPUB REPORT, NBMG FILES, MAY 26, 1921}{Deposit:: MOORE, JG, GEOL & MIN DEP LYON, DOUGLAS, ORMSBY CO, NEV, NBMG BULL 75, 1969}{Deposit:: TELLURIDE CLAIMS, DELAWARE MINING DISTRICT,CARSON CITY COUNTY, QUADE SITE VISIT 5 -12-89,NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).}
Reporter	Tingley, J.V., Marcus, S. (Doebrich, J.)