Commodities
PrimaryGold, Silver
SecondaryLead, Copper
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formPINCH AND SWELL
Ore controlFault-Fracture Structural Control
Materials
Ore mineralsArgentite, Chalcocite, Chalcopyrite, Galena, Gold
GangueCalcite, Quartz
Geology
Host rockRhyolite
Associated rockRhyolite · Fanney Rhyolite;Last Chance Andesite
StructureMineralization Occurs Along A North To Northwest-Striking Fault Zone.
Economic & production
Development statusProducer
First production1895
Last production1941
Identification
Deposit ID10012405
MRDS IDD008014
Alternate namesLast Chance Group No. 2: Patented Claims, Last Chance, Boise City, Settle
RegionNA
Data scoreB
Coordinates33.39287, -108.80258
References
LINDGREN, W., GRATON, L.C., AND GORDON, C.H., 1910 USGS PP 68, P. 191-201SCOTT, D.B., 1920 TRANSACTIONS OF AMERICAN INSTITUTE OF MINING ENGINEERS, VOL 63, P. 289-310FERGUSON, H.G., 1921 USGS BULL 715-L, P. 171-204FERGUSON, H.G., 1927 USGS BULL 787, 100 PAGESELSTON, W.E., RHODES, R.C., AND ERB, E.E., 1976 NMGS SPECIAL PUBLICATION NO 5, P. 125-144ELSTON, W.E., 1978 NMGS SPECIAL PUBLICATION NO. 7, P. 107-113NMBMMR GENERAL FILE DATA