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

[Additional scientific data in this geographic area]

AK-BR01: Besshi massive sulfide (24b) (Jurassic) , covers 1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR03: Cyprus massive sulfide (24a) (Jurassic) , covers 1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR04: Low-sulfide Au-quartz veins (36a) (Cretaceous) , covers 1.0 % of this area
90%50%10%5%1%
1251015
AK-BR06: Kipushi Cu-Pb-Zn (32c) (Early Paleozoic) , covers 0.8 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR09: Mississippi Valley Type (32a & 32b) (Early Paleozoic) , covers 0.8 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR13: Placer Au (39a) (Quaternary) , covers 1.0 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC02: Besshi massive sulfide (24b) (Mesozoic) , covers 80 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC05: Cyprus massive sulfide (24a) (Mesozoic) , covers 80 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC08: Epithermal vein, generic (25) (Cretaceous - Tertiary) , covers 80 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC14: Porphyry Cu, BC-Ak type (17) (Cretaceous - Tertiary) , covers 80 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC17: Placer Au (39a) (Cenozoic) , covers 73 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-WC21: Polymetallic vein (22c) (Cretaceous - Tertiary) , covers 80 % of this area
The number of undiscovered deposits in this tract was not estimated.