Mine detail: Black Jack Mine

Previously called 'EldoradoRudyPearlNBMG Sample Sites 2521, 2522'

Location:	Pershing County, Nevada, United States, North America
Lat / long:	40.52683, -118.2182
dep_id:	10040305
mrds_id:	M055017
Commodity type:	metallic
Major mineral:	Mercury
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Cinnabar
gangue:	Calcite, Jarosite, Pyrite, Quartz
orebody_fm:	TABULAR
work_type:	Underground
model:	178: Almaden Hg
alteration:	Silicification
conc_proc:	Igneous (?)
ore_ctrl:	Shale Beneath Limestone
Reporter:	Gassaway, Judith S., La Pointe, D.D. (Tingley, J.V.), Royse, Sue E., Li, Zhiping (Peters, S.)
hrock_type:	Limestone
arock_type:	Granite
Structure:	Humboldt Range ; Reg.Trends: North To Northeast, Low-Angle Shears At Shale-Limestone Contact.
tectonic:	Basin And Range
Year first produced:	1913
yr_lst_prd:	1969
disc_yr:	1906
prod_yrs:	1913, 1940-1941
References:	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84, NBMG FIELD EXAMINATION REPORT AND SAMPLE ANALYSIS Deposit:: BAILEY, E. H., RYTUBA, J. J., AND JONES, R. B., 1984, UNPUBLISHED DATA ON HG DEPOSITS OF NEVADA, NBMG FILES.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.