Mine detail: Comet Mine

Previously called ''

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Location

Lat / long:

58.85531, -135.07455

Resource(M)

Primary:	Gold
Tertiary:	Copper, Lead
Ore:	Chalcopyrite, Galena
Gangue:	Calcite, Feldspar, Pyrite, Quartz
Discovery year:	1891

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1894
Last production ended:	1901

Geology

Host rock:	Berners Formation
Host type:	Diorite
Associated rock:	Jualin Diorite
Associated type:	Diorite
Structure:	Comet Vein Cut Off By Fault To The N; Extension Not Found

References

MRDS	A012103
DEP	10001362
Reference	{Deposit:: USGS 18TH ANNUAL REPORT, PART 3, P. 76-77}{Deposit:: USGS BULL 287, P. 136-137}{Deposit:: USGS BULL 284, P. 32}{Deposit:: USGS BULL 446, P. 42-43}{Deposit:: USGS BULL 1246, P. 160}{Deposit:: METZ, PAUL A. AND WIEBMER, JOHN D., 1977, M.I.R.L. SUMMARY FILE REPORT; EUREKA, KENSINGTON, COMET, JOHNSON AND JUALIN MINE, BERNE * BAY, JUNEAU DISTRICT, ALASKA: UNPUBLISHED REPORT TO USBM, FIELD OPERATIONS CENTER, JUNEAU, AK.}{Deposit:: USGS OFR 85-717, NO. J098}{Other Database:: BAG-OFR-85-717-098}
Reporter	Leonard, Kenneth R. (Elliott, R. L.)