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

Mineral assessment tracts in Umatilla county, Oregon

[Additional scientific data in this geographic area]

PC01: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 2 % of this area
90%50%10%5%1%
035912
PC02: Skarn Au, truncated (b1930) (Mesozoic) , covers 2 % of this area
90%50%10%5%1%
00001
PC06: Porphyry Cu (BC-AK) (17) (Mesozoic - Tertiary) , covers 2 % of this area
90%50%10%5%1%
00125
PC13: Massive sulfide, kuroko (28a) (Permian) , covers 2 % of this area
90%50%10%5%1%
13666
PC20: Epithermal vein, Comstock (25c) (Tertiary) , covers 0.4 % of this area
90%50%10%5%1%
01355
PC38: Low-sulfide Au-quartz vein (36a) (Mesozoic) , covers 2 % of this area
90%50%10%5%1%
00138