Mineral assessment tracts in Iditarod (1:250,000 Alaska quadrangle in USGS Quadrangles)

[Additional scientific data in this geographic area]

AK-SW05: Peraluminous granite porphyry gold (Cretaceous - Tertiary) , covers 72 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW06: Low-sulfide Au-quartz veins (36a) (Precambrian - Mesozoic) , covers 1 % of this area
90%50%10%5%1%
12346
AK-SW11: Porphyry Cu, BC-Ak type (17) (Cretaceous - Tertiary) , covers 13 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW13: Plutonic porphyry Au (43) (Mesozoic - Tertiary) , covers 73 % of this area
90%50%10%5%1%
36101520
AK-SW14: Placer Au (39a) (Cenozoic) , covers 100 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW16: Polymetallic vein (22c) (Mesozoic - Tertiary) , covers 100 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW20: Epithermal vein, hot spring Au (25a) (Cretaceous - Tertiary) , covers 19 % of this area
90%50%10%5%1%
01236