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

[Additional scientific data in this geographic area]

AK-SC01: Basaltic Cu/Kennecott Cu (23) (Cretaceous) , covers 20 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC03: Besshi massive sulfide (24b) (Late Triassic) , covers 19 % of this area
90%50%10%5%1%
12444
AK-SC05: Cu-Ag quartz veins (Cretaceous) , covers 20 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC09: Low-sulfide Au-quartz veins (36a) (Cretaceous) , covers 20 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC11: Low-sulfide Au-quartz veins, Chugach type (36a.1) (Tertiary) , covers 37 % of this area
90%50%10%5%1%
15777
AK-SC15: Sierran Kuroko mass. sulf. (28a.1) (Jurassic) , covers 0.9 % of this area
90%50%10%5%1%
012410
AK-SC18: Synorogenic-synvolcanic Ni-Cu (7a) (Late Triassic) , covers 20 % 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 91 % of this area
90%50%10%5%1%
12666
AK-SC22: Porphyry Cu, BC-Ak type (17) (Jurassic - Cretaceous) , covers 22 % of this area
90%50%10%5%1%
415303030
AK-SC25: Placer Au (39a) (Cenozoic) , covers 90 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC28: Polymetallic vein (22c) (Cretaceous - Tertiary) , covers 91 % of this area
90%50%10%5%1%
15777
AK-SC31: Cu (Au) skarn (18b) (Cretaceous - Tertiary) , covers 90 % of this area
90%50%10%5%1%
12666
AK-SC32: Cu (Au) skarn (18b) (Jurassic - Cretaceous) , covers 22 % of this area
90%50%10%5%1%
12666