Mine detail: Fortymile R., Mosquito Fk. Placer

Previously called ''

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Location

Lat / long: 64.06031, -141.84769

Resource(B)

Primary: Gold
Secondary: Silver
Tertiary: REE, Tungsten, Thorium, Phosphorus-Phosphates, Tin
Ore: Scheelite
Gangue: Barite, Garnet, Magnetite, Olivine, Pyrite, Sphene, Tourmaline, Zircon
Other material: Cassiterite, Gold, Monazite, Silver, Thorite

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1905
Last production ended: 1937

Geology

References

MRDSA015159
DEP10002714
Reference{Deposit:: USGS MF-393 (A-2), LOC. 54.}{Deposit:: USGS BULL. 897-C, P. 173, 180-81}{Deposit:: USGS CIRC. 335, P. 10-12.}{Other Database:: BAG-MF-393-54}
ReporterPowers, M.T. (Huber, D.F.)