Alaska
Past Producer

Fortymile R., Mosquito Fk. Placer

Alaska, United States
GoldSilverREETungstenThoriumPhosphorus-PhosphatesTin
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondarySilver
TertiaryREE, Tungsten, Thorium, Phosphorus-Phosphates, Tin
Commodity typeB
Deposit
Deposit sizeS
Materials
Ore mineralsScheelite
GangueBarite, Garnet, Magnetite, Olivine, Pyrite, Sphene, Tourmaline, Zircon
Other materialsCassiterite, Gold, Monazite, Silver, Thorite
Economic & production
Development statusPast Producer
First production1905
Last production1937
Identification
Deposit ID10002714
MRDS IDA015159
RegionNA
Data scoreB
Coordinates64.06031, -141.84768
References
USGS MF-393 (A-2), LOC. 54.USGS BULL. 897-C, P. 173, 180-81USGS CIRC. 335, P. 10-12.BAG-MF-393-54