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

[Additional scientific data in this geographic area]

AK-SE03: Low-sulfide Au-quartz veins (36a) (Cretaceous - Tertiary) , covers 14 % of this area
90%50%10%5%1%
15131417
AK-SE04: Kuroko massive sulfide (28a) (Precambrian - Paleozoic) , covers < 0.1 % of this area
90%50%10%5%1%
00224
AK-SE05: Sierran Kuroko mass. sulf. (28a.1) (Late Triassic) , covers 16 % of this area
90%50%10%5%1%
137913
AK-SE07: Porphyry Cu (17) (Tertiary) , covers 0.2 % of this area
90%50%10%5%1%
00247
AK-SE09: Cu Skarn (18b) (Cretaceous - Tertiary) , covers 12 % of this area
90%50%10%5%1%
14678
AK-SE13: Polymetallic vein (22c) (Cretaceous - Tertiary) , covers 34 % of this area
90%50%10%5%1%
59151721
AK-SE14: Zn-Pb skarn (18c) (Cretaceous - Tertiary) , covers 2 % of this area
90%50%10%5%1%
01457
AK-SE18: Alaskan PGE (9) (Paleozoic - Cretaceous) , covers 0.6 % of this area
90%50%10%5%1%
00012
AK-SE19: Porphyry Cu, skarn related (18a) (Tertiary) , covers 0.2 % of this area
90%50%10%5%1%
00013
AK-SE20: Porphyry Cu-Mo (21a) (Tertiary) , covers 0.2 % of this area
90%50%10%5%1%
00145