Mine detail: Bullion Hill Group

Previously called 'Aurora & Rhoda VeinsRoberts Mining Co.'

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Location

Lat / long:

40.18074, -116.56814

Resource(M)

Primary:	Silver, Lead, Copper, Gold
Ore:	Argentite, Chalcopyrite, Galena, Malachite, Pyrite
Orebody form:	TABULAR
Discovery year:	1910

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1910

Geology

Host rock:	Mill Canyon Stock
Host type:	Quartz Monzonite
Associated rock:	Mill Canyon Stock
Associated type:	Monzonite
Structure:	Roberts Mtn Thrust
Alteration processes:	Formation Of Pyrite, Sericite, Quartz, & Calcite In Wallrock

References

MRDS	M232252
DEP	10044689
Reference	{Deposit:: ROBERTS R.J., ETAL (1967) GEOLOGY AND MINERAL RESOURCES OF EUREKA CO., NEV. BUR OF MINES BULL 64}{Deposit:: USBM (WINNEMUCCA) MILS NO. 35, REFERENCE NO. 3201100067}{Deposit:: VANDERBURG W.O (1938) RECORRNASSANCE OF MINING DISTRICTS IN EUREKA CO. NEV., USBM I.C. 2022}{Deposit:: EMONS, W.H. (1910) RECONNAISSANCE OF MINING DISTRICTS IN ELKO, LANDER, & EUREKA COS., USGS BULL 408}{Deposit:: GILLULY J. & MASURSKY H. (1965) GEOLOGY OF THE CORTEZ QUADRANGLE, USGS BULL 1175}{Production:: ROBERTS, R.J., ETAL. (1967)}
Reporter	Kirkham, Richard A.