Mine detail: Cherry Creek District Mines; Egan Mine Area

Previously called 'Gilligan Shaft MineTicup (Biscuit) MineStar MineWide West MineMary Anne MineBlack Metal MineExchequer MineGrey Eagle MinePacific MineChance MineFlagstaff MineVictorien Mine'

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Location

Lat / long:

39.92771, -114.91754

Resource(M)

Primary:	Silver, Gold, Tungsten
Secondary:	Copper, Zinc, Lead
Ore:	Argentite, Scheelite, Galena, Sphalerite, Chalcopyrite, Cerargyrite, Gold, Bornite, Tetrahedrite, Pyrite
Gangue:	Quartz
Orebody form:	tabular, lenticular

Production

Operation type:	Surface-Underground
Deposit type:	fracture filling in breccia zone
Production size:	Large
Development status:	Past Producer
Production years:	1864-1941?
First production started:	1864
Last production ended:	1941

Geology

Host type:	Quartzite,Limestone,Shale
Associated type:	Monzonite,Quartz Monzonite
Structure:	Host rocks in the mine area are cut by at least two sets of faults, the dominant one NE-trending with lesserr NW trending faults.
Alteration processes:	There is some sericitization of host rocks adjacent to some of the veins.

References

MRDS	D001193
DEP	10310454
Reference	{Deposit:: Holmes, George H. Jr., Feb, 1950, Investigation of Cherry Creek Tungsten District, White Pine Co., Nev., Bureau of Mines Report of Investigations 4631}{Deposit:: Lemon, D.M., unpublished data}{Deposit:: Lemon, D.M., and Tweto, O.L., 1962 Tungsten in the US USGS Map, MR-25.}{Deposit:: Hill, James M., 1916 Notes on some Mining Districts in Eastern Nevada, USGS Bull. 648.}{Deposit:: Hose, Blake, and Smith, 1976, Geology and Mineral Resources of White Pine County, Nevada; NBMG Bull 85.}{Deposit:: Donna Frederick, 1997, Brief history of Cherry Creek Nevada, at http://whitepinecountygenhelp.accessgenealogy.com/Cherry_Creek.html}
Reporter	LaPointe, D.D., Schruben, Paul G.