Mine detail: Perseverance Mine

Previously called 'Alaska-Juneau Mining Co.Alaska Gastineau Gold Mining Co.'

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Location

Lat / long:

58.30003, -134.337

Resource(M)

Primary:	Gold
Secondary:	Silver, Lead
Tertiary:	Zinc, Copper
Ore:	Chalcopyrite, Sphalerite
Gangue:	Pyrite, Pyrrhotite, Quartz, Tourmaline
Discovery year:	1885

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host rock:	Perseverance Slate;Perseverance Slate
Host type:	Amphibolite
Associated rock:	Mt. Juneau Pluton
Associated type:	Gneiss
Structure:	See Alaska-Juneau, Large Fold Shows Mass Of Small Folds In Hinge With Axial Planar Cleavage Parallel To Limbs Of Large Fold
Tectonic:	Coast Plutonic-Metamorphic Complex; Bren And Ford, 1984, Usgs Circ 868, P. 120-124
Alteration processes:	Biotization

References

MRDS	A012058
DEP	10001319
Reference	{Deposit:: TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, VOL. 63, P. 464-506}{Deposit:: USGS BULL 662, P. 80}{Deposit:: USGS OFR 60, P. 17-19, 26}{Deposit:: USGS BULL 917-C, P. 186-187}{Deposit:: ADGGS GR 1, P. 1, 7}{Deposit:: USGS BULL 287, P. 58-59, 74-76}{Deposit:: USGS BULL 314, P. 55}{Deposit:: USBM BULL 153, P. 17-18}{Deposit:: STONE, DAVID AND STONE, BRENDA, 1983, HARD ROCK GOLD; THE STORY OF THE GREAT MINES THAT WERE THE HEARTBEAT OF JUNEAU: SEATTLE, WA, VANGUARD PRESS, INC., P. 55}{Deposit:: USGS OFR 85-717, P. 181}{Other Database:: BAG-OFR-85-717-168}{Production:: USGS BULL 917-C, P. 186, TABLE 5; USGS OFR 60, P. 26, TABLE 1; USGS OFR 85-717, NO. J168}
Reporter	Leonard, Kenneth R. (Elliott, R. L.), Mosier, Dan