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

[Additional scientific data in this geographic area]

AK-SC19: Synorogenic-synvolcanic Ni-Cu (7a) (Triassic - Jurassic) , covers 0.5 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC21: Porphyry Cu, BC-Ak type (17) (Cretaceous - Tertiary) , covers 69 % of this area
90%50%10%5%1%
12666
AK-SC25: Placer Au (39a) (Cenozoic) , covers < 0.1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC28: Polymetallic vein (22c) (Cretaceous - Tertiary) , covers 69 % of this area
90%50%10%5%1%
15777
AK-SC31: Cu (Au) skarn (18b) (Cretaceous - Tertiary) , covers 69 % of this area
90%50%10%5%1%
12666
AK-SC35: Zn-Pb skarn (18c) (Mesozoic - Tertiary) , covers 33 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW12: Porphyry Cu, BC-Ak type (17) (Mesozoic - Tertiary) , covers < 0.1 % of this area
90%50%10%5%1%
126810
AK-SW14: Placer Au (39a) (Cenozoic) , covers < 0.1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW16: Polymetallic vein (22c) (Mesozoic - Tertiary) , covers < 0.1 % 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