Mine detail: Delmas Mine

Previously called 'SweepstakesComo'

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Location

Lat / long:

40.51463, -116.01869

Resource(M)

Primary:	Copper, Silver, Lead
Secondary:	Gold, Zinc
Ore:	Bornite, Chalcocite, Chalcopyrite, Copper, Galena, Pyrite, Pyrrhotite, Sphalerite
Gangue:	Diopside, Garnet, Pyroxene, Quartz, Tremolite, Zoisite
Orebody form:	TABULAR TO IRREGULAR
Discovery year:	1906

Production

Operation type:	Unknown
Deposit type:	Contact Metamorphic
Production size:	Small
Development status:	Past Producer
First production started:	1906

Geology

Host type:	Limestone
Associated type:	Quartz Diorite
Alteration processes:	Silificion

References

MRDS	M233358
DEP	10045587
Reference	{Deposit:: EMMONS, W. H., 1910, A RECONNASSANCE OF SOME MINING CAMPS IN ELKO, LANDER AND EURELSA COUNTIES, NEVADA: USGS BULLETIN 408}{Deposit:: SMITH, R. M., MINERAL RESOURCES OF ELKO COUNTY, NEVADA, USGS OPEN FILE REPORT 1976-56}{Production:: SMITH, R. M., (1976)}
Reporter	Tingley, J.V.