Mine detail: Black Jack Mine

Previously called 'EldoradoRudyPearlNBMG Sample Sites 2521, 2522'

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Location

Lat / long:

40.52683, -118.2182

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Calcite, Jarosite, Pyrite, Quartz
Orebody form:	TABULAR
Discovery year:	1906

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1913, 1940-1941
First production started:	1913
Last production ended:	1969

Geology

Host type:	Limestone
Associated type:	Granite
Structure:	Humboldt Range ; Reg.Trends: North To Northeast, Low-Angle Shears At Shale-Limestone Contact.
Tectonic:	Basin And Range
Alteration processes:	Silicification

References

MRDS	M055017
DEP	10040305
Reference	{Deposit:: JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89}{Deposit:: BAILEY AND PHOENIX, 1941, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41}{Deposit:: HOLMES, 1965, MERCURY IN NEVADA; IN USBM 1C 8252}{Deposit:: SILBERLING AND WALLACE, 1967, GEOLOGIC MAP OF THE IMLAY QUADRANGLE, PERSHING COUNTY, NEVADA: USGS MAP GQ - 666.}{Deposit:: BONHAM, H. F., JR., 5 AUG 84, NBMG FIELD EXAMINATION REPORT AND SAMPLE ANALYSIS}{Deposit:: BAILEY, E. H., RYTUBA, J. J., AND JONES, R. B., 1984, UNPUBLISHED DATA ON HG DEPOSITS OF NEVADA, NBMG FILES.}{Deposit:: VANDERBURG, W. O., 1936, USBM IC 6902, P. 18.}{Deposit:: LINCOLN, F. C., 1923, NEVADA MINING DISTRICTS AND MINERAL RESOURCES; RENO, NV.}{Production:: BAILEY, ET AL., 1984.}
Reporter	Gassaway, Judith S., La Pointe, D.D. (Tingley, J.V.), Royse, Sue E., Li, Zhiping (Peters, S.)