1. Mineral Resources
  2. Online Spatial Data
  3. National Mineral Resource Assessment 1998

Mineral assessment tracts in Alpine county, California

[Additional scientific data in this geographic area]

GB01: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 34 % of this area
90%50%10%5%1%
01122
GB07: Porphyry Cu (17) (Mesozoic - Tertiary) , covers 39 % of this area
90%50%10%5%1%
00012
GB14: Polymetallic replacement + skarn Zn-Pb (19a + 18c) (Mesozoic - Tertiary) , covers 34 % of this area
90%50%10%5%1%
03588
GB22: Epithermal vein, Comstock (25c) (Tertiary) , covers 38 % of this area
90%50%10%5%1%
01222
GB25: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 38 % of this area
90%50%10%5%1%
01222
GB28: Hot-spring Au-Ag (25a) (Tertiary) , covers 0.4 % of this area
90%50%10%5%1%
1318212529
PC03: Skarn Cu (18b) (Mesozoic) , covers 6 % of this area
90%50%10%5%1%
00001
PC08: Porphyry Cu (17) (Mesozoic) , covers 61 % of this area
90%50%10%5%1%
00011
PC26: Epithermal vein, quartz-adularia (25c + 25d) (Tertiary) , covers 15 % of this area
90%50%10%5%1%
01222
PC28: Hot-spring Au-Ag (25a) (Tertiary) , covers 15 % of this area
90%50%10%5%1%
01357