Mineral assessment tracts in Medfra (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-SW07: Kipushi Cu-Pb-Zn (32c) (Paleozoic) , covers 0.4 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW10: Mississippi Valley Type (32a & 32b) (Paleozoic) , covers 0.4 % of this area
90%50%10%5%1%
00112
AK-SW13: Plutonic porphyry Au (43) (Mesozoic - Tertiary) , covers 10 % of this area
90%50%10%5%1%
36101520
AK-SW14: Placer Au (39a) (Cenozoic) , covers 11 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW15: Polymetallic replacement (19a) (Mesozoic - Tertiary) , covers 0.4 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW16: Polymetallic vein (22c) (Mesozoic - Tertiary) , covers 11 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW17: Cu (Au) skarn (18b) (Mesozoic - Tertiary) , covers < 0.1 % of this area
90%50%10%5%1%
2381224
AK-SW18: Zn-Pb skarn (18c) (Mesozoic - Tertiary) , covers < 0.1 % of this area
90%50%10%5%1%
124612
AK-SW19: Sedex Zn-Pb (31a) (Paleozoic) , covers < 0.1 % of this area
90%50%10%5%1%
01235
AK-WC03: Besshi massive sulfide (24b) (Paleozoic - Mesozoic) , covers 14 % 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 18 % 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 14 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC11: Kipushi Cu-Pb-Zn (32c) (Paleozoic) , covers 29 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC13: Mississippi Valley Type (32a & 32b) (Paleozoic) , covers 29 % 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 1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC16: Plutonic porphyry Au (43) (Mesozoic - Tertiary) , covers 36 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC17: Placer Au (39a) (Cenozoic) , covers 89 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC19: Polymetallic replacement (19a) (Mesozoic - Tertiary) , covers 51 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC22: Polymetallic vein (22c) (Mesozoic - Tertiary) , covers 84 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC24: Cu (Au) skarn (18b) (Mesozoic - Tertiary) , covers 51 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC26: Zn-Pb skarn (18c) (Mesozoic - Tertiary) , covers 51 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC28: Sedex Zn-Pb (31a) (Paleozoic) , covers 52 % of this area
The number of undiscovered deposits in this tract was not estimated.