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

[Additional scientific data in this geographic area]

AK-EC09: Kipushi Cu-Pb-Zn (32c) (Paleozoic) , covers 3 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-EC11: Mississippi Valley Type (32a & 32b) (Paleozoic) , covers 3 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-EC16: Polymetallic replacement (19a) (Cretaceous - Tertiary) , covers 3 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-EC19: Cu (Au) skarn (18b) (Cretaceous - Tertiary) , covers 3 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-EC20: Zn-Pb skarn (18c) (Mesozoic - Tertiary) , covers 3 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-EC21: Sedex Zn-Pb (31a) (Paleozoic) , covers 3 % of this area
The number of undiscovered deposits in this tract was not estimated.