Mineral assessment tracts in Shasta county, California

[Additional scientific data in this geographic area]

PC08: Porphyry Cu (17) (Mesozoic) , covers 23 % of this area
90%50%10%5%1%
00011
PC10: Massive sulfide, Cyprus (24a) (Jurassic) , covers 3 % of this area
90%50%10%5%1%
03456
PC14: Massive sulfide, Sierran kuroko (28a.1) (Jurassic) , covers 3 % of this area
90%50%10%5%1%
0371520
PC15: Massive sulfide, kuroko (28a) (Devonian) , covers 10 % of this area
90%50%10%5%1%
01222
PC16: Massive sulfide, kuroko (28a) (Permian) , covers 2 % of this area
90%50%10%5%1%
00001
PC26: Epithermal vein, quartz-adularia (25c + 25d) (Tertiary) , covers 47 % of this area
90%50%10%5%1%
01222
PC28: Hot-spring Au-Ag (25a) (Tertiary) , covers 18 % of this area
90%50%10%5%1%
01357
PC39: Low-sulfide Au-quartz vein (36a) (Mesozoic) , covers 0.1 % of this area
90%50%10%5%1%
00001
PC40: Low-sulfide Au-quartz vein (36a) (Mesozoic) , covers 47 % of this area
90%50%10%5%1%
2691215