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

[Additional scientific data in this geographic area]

AK-SW05: Peraluminous granite porphyry gold (Cretaceous - Tertiary) , covers 10 % 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 1.0 % of this area
90%50%10%5%1%
12346
AK-SW11: Porphyry Cu, BC-Ak type (17) (Cretaceous - Tertiary) , covers 1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW13: Plutonic porphyry Au (43) (Mesozoic - Tertiary) , covers 12 % of this area
90%50%10%5%1%
36101520
AK-SW14: Placer Au (39a) (Cenozoic) , covers 15 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW16: Polymetallic vein (22c) (Mesozoic - Tertiary) , covers 15 % 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 0.9 % of this area
90%50%10%5%1%
01236
AK-WC03: Besshi massive sulfide (24b) (Paleozoic - Mesozoic) , covers 11 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC07: Epithermal vein, hot spring Au (25a) (Cretaceous - Tertiary) , covers 5 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC10: Low-sulfide Au-quartz veins (36a) (Cretaceous - Tertiary) , covers 9 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC15: Porphyry Cu, BC-Ak type (17) (Cretaceous - Tertiary) , covers 40 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC16: Plutonic porphyry Au (43) (Mesozoic - Tertiary) , covers 17 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC17: Placer Au (39a) (Cenozoic) , covers 81 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC22: Polymetallic vein (22c) (Mesozoic - Tertiary) , covers 85 % of this area
The number of undiscovered deposits in this tract was not estimated.