Mine detail: Big Chief

Previously called 'LakinGold Acres Mine'

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Location

Lat / long:

40.25547, -116.75287

Resource(M)

Primary:	Gold, Silver
Secondary:	Tungsten
Tertiary:	Molybdenum, Copper, Lead
Ore:	Powellite, Scheelite
Orebody form:	IRREGULAR

Production

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

Geology

Host rock:	Valmy Formation
Host type:	Shale,Argillite,Limestone,Chert
Associated type:	Granite
Structure:	Deposit In Upper Plate Of Roberts Mtn Thrust, Across, On The West Side Of The Gold Acres Normal Fault
Alteration processes:	Pyrometasomatic Skarn Assemblage Of Tremolite Scapolite, Jasperiod, And Calc-Silicates Has Replaced Much Of The Country Rocks.

References

MRDS	M232506
DEP	10044885
Reference	{Deposit:: STAGER, H.K. (1977) GEOLOGY & MINERAL RESOURCES OF LANDER CO., N.B.M. BULL 88}{Deposit:: USBM (WINNEMUCCA) MILS NO. 54, REFERENCE NO. 3201500004}{Deposit:: WRUCKE, C.T. (1974) GEOLOGIC MAP OF THE TENABO AREA, LANDER CO NEV, USGS MAP MF-647}{Deposit:: NBM BULL., STAGER, H.K. (IN PREP. JAN. 1984)}
Reporter	Kirkham, Richard A., Blaskowski, Michael J. (Elliott, James E.)