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

[Additional scientific data in this geographic area]

AK-BR04: Low-sulfide Au-quartz veins (36a) (Cretaceous) , covers 19 % of this area
90%50%10%5%1%
1251015
AK-BR06: Kipushi Cu-Pb-Zn (32c) (Early Paleozoic) , covers 55 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR07: Kuroko massive sulfide (28a) (Cretaceous) , covers 5 % of this area
90%50%10%5%1%
3571015
AK-BR09: Mississippi Valley Type (32a & 32b) (Early Paleozoic) , covers 55 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR11: Porphyry Cu, BC-Ak type (17) (Cretaceous) , covers 22 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR12: Plutonic porphyry Au (43) (Cretaceous) , covers 22 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR15: Polymetallic replacement (19a) (Cretaceous) , covers 22 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR16: Polymetallic vein (22c) (Cretaceous) , covers 22 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR18: Cu (Au) skarn (18b) (Cretaceous) , covers 22 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR19: Zn-Pb skarn (18c) (Cretaceous) , covers 22 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-BR21: Sediment-hosted Cu (30b) (Paleozoic - Mesozoic) , covers 80 % of this area
The number of undiscovered deposits in this tract was not estimated.