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

Mineral assessment tracts in Malheur county, Oregon

[Additional scientific data in this geographic area]

GB02: Skarn Cu (18b) (Mesozoic - Tertiary) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
6	10	14	16	18

GB09: Porphyry Cu (17) (Tertiary) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
1	3	4	6	8

GB10: Porphyry Cu (17) (Jurassic) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
1	3	6	9	12

GB18: Distal disseminated Ag-Au (19c) (Mesozoic - Tertiary) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
6	10	14	15	17

GB19: Massive sulfide, Cyprus (24a) (Paleozoic) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
1	2	5	7	8

GB20: Massive sulfide, Besshi (24b) (Paleozoic) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
0	1	2	2	3

GB21: Massive sulfide, Sierran kuroko (28a.1) (Mesozoic) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
1	3	6	7	8

GB26: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 0.3 % of this area

90%	50%	10%	5%	1%
2	5	9	12	15

GB28: Hot-spring Au-Ag (25a) (Tertiary) , covers 0.4 % of this area

90%	50%	10%	5%	1%
13	18	21	25	29

GB33: Sedimentary exhalative Zn-Pb (31a) (Paleozoic) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
0	0	1	3	5

PC01: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 0.4 % of this area

90%	50%	10%	5%	1%
0	3	5	9	12

PC02: Skarn Au, truncated (b1930) (Mesozoic) , covers 0.4 % of this area

90%	50%	10%	5%	1%
0	0	0	0	1

PC06: Porphyry Cu (BC-AK) (17) (Mesozoic - Tertiary) , covers 7 % of this area

90%	50%	10%	5%	1%
0	0	1	2	5

PC09: Massive sulfide, Cyprus (24a) (Paleozoic - Mesozoic) , covers 0.4 % of this area

90%	50%	10%	5%	1%
0	0	0	0	1

PC13: Massive sulfide, kuroko (28a) (Permian) , covers 0.4 % of this area

90%	50%	10%	5%	1%
1	3	6	6	6

PC21: Epithermal vein, Comstock (25c) (Tertiary) , covers 57 % of this area

90%	50%	10%	5%	1%
2	4	7	11	16

PC22: Epithermal vein, Comstock (25c) (Tertiary) , covers 39 % of this area

90%	50%	10%	5%	1%
2	3	4	6	8

PC29: Hot-spring Au-Ag (25a) (Tertiary) , covers 57 % of this area

90%	50%	10%	5%	1%
2	6	10	16	30

PC30: Hot-spring Au-Ag (25a) (Tertiary) , covers 39 % of this area

90%	50%	10%	5%	1%
6	12	18	24	30

PC38: Low-sulfide Au-quartz vein (36a) (Mesozoic) , covers 0.4 % of this area

90%	50%	10%	5%	1%
0	0	1	3	8