Mine detail: Adelaide Crown Mines

Previously called 'Crown MineNorth PitSouth Pit'

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Location

Lat / long:

40.811, -117.52735

Resource(M)

Primary:	Gold, Silver, Lead
Secondary:	Copper, Zinc
Tertiary:	Molybdenum, Manganese, Iron
Ore:	Gold, Galena, Sphalerite, Chalcopyrite, Pyrrhotite, Molybdenite, Tetrahedrite, Chalcocite, Garnet, Diopside, Vesuvianite, Calcite, Orthoclase, Quartz, Pyrite, Limonite, Chalcedony, Sericite, Hematite
Orebody form:	tabular
Discovery year:	1860

Production

Operation type:	Surface-Underground
Deposit type:	shear zone/vein
Production size:	Small
Development status:	Past Producer
Production years:	1860s-1980s
First production started:	1860
Last production ended:	1980

Geology

Host rock:	Preble Formation, Valmy Formation
Host type:	Slate,Limestone,Quartzite,Schist,Shale
Structure:	thrust faults, N-trending faults, Country rocks strike N-S and dip steeply east and are strongly crumpled.
Alteration processes:	silicification

References

MRDS	M231274
DEP	10310487
Reference	{Deposit:: Willden, Ronald, 1964, Geology and Mineral Deposits of Humboldt County Nevada: Nbmg Bull. 59}{Deposit:: Garside, L. J., 1984, Field Examination Notes: NBMG Unpublished mining district files.}{Deposit:: Couch, B.F., and Carpenter, J.A., 1943, Nevad * Metal and Mineral Production (1859-1940): NBMG Bull. 38.}{Deposit:: Altaur Gold press release, 3/6/97.}{Deposit:: BLM Files, Winnemucca District, 4/12/1999.}{Deposit:: Denver Mining Record, 3/4/98, 11/10/99}{Deposit:: White Knight Resources news release, 2/19/99, 11/2/99.}{Deposit:: www.franco-nevada.com, 9/11/2000.}
Reporter	LaPointe, D.D. , Schruben, Paul G.