Commodities
PrimaryMercury
Commodity typeM
Deposit
Model178: Almaden Hg
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlShale Beneath Limestone
Materials
Ore mineralsCinnabar
GangueCalcite, Jarosite, Pyrite, Quartz
Geology
Host rockLimestone
Associated rockGranite
StructureHumboldt Range ; Reg.Trends: North To Northeast, Low-Angle Shears At Shale-Limestone Contact.
Tectonic settingBasin And Range
AlterationSilicification
Economic & production
Development statusPast Producer
Production years1913, 1940-1941
First production1913
Last production1969
Discovery year1906
Identification
Deposit ID10040305
MRDS IDM055017
Alternate namesEldorado, Rudy, Pearl, NBMG Sample Sites 2521, 2522
RegionNA
Data scoreA
Coordinates40.52683, -118.2182
References
JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89BAILEY AND PHOENIX, 1941, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41HOLMES, 1965, MERCURY IN NEVADA; IN USBM 1C 8252SILBERLING AND WALLACE, 1967, GEOLOGIC MAP OF THE IMLAY QUADRANGLE, PERSHING COUNTY, NEVADA: USGS MAP GQ - 666.BONHAM, H. F., JR., 5 AUG 84, NBMG FIELD EXAMINATION REPORT AND SAMPLE ANALYSISBAILEY, E. H., RYTUBA, J. J., AND JONES, R. B., 1984, UNPUBLISHED DATA ON HG DEPOSITS OF NEVADA, NBMG FILES.VANDERBURG, W. O., 1936, USBM IC 6902, P. 18.LINCOLN, F. C., 1923, NEVADA MINING DISTRICTS AND MINERAL RESOURCES; RENO, NV.BAILEY, ET AL., 1984.