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

Mineral assessment tracts in Douglas county, Nevada

[Additional scientific data in this geographic area]

GB02: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 83 % of this area

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

GB05: Skarn Au, truncated (b1930) (Mesozoic - Tertiary) , covers 89 % of this area

90%	50%	10%	5%	1%
1	3	6	8	12

GB08: Porphyry Cu (17) (Cretaceous) , covers 89 % of this area

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

GB09: Porphyry Cu (17) (Tertiary) , covers 89 % of this area

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

GB10: Porphyry Cu (17) (Jurassic) , covers 89 % of this area

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

GB15: Polymetallic replacement + skarn Zn-Pb (19a + 18c) (Mesozoic - Tertiary) , covers 89 % of this area

90%	50%	10%	5%	1%
9	14	18	20	22

GB18: Distal disseminated Ag-Au (19c) (Mesozoic - Tertiary) , covers 89 % of this area

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

GB26: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 89 % of this area

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

GB28: Hot-spring Au-Ag (25a) (Tertiary) , covers 90 % of this area

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

PC03: Skarn Cu (18b) (Mesozoic) , covers 9 % of this area

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

PC08: Porphyry Cu (17) (Mesozoic) , covers 9 % of this area

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

PC28: Hot-spring Au-Ag (25a) (Tertiary) , covers 9 % of this area

90%	50%	10%	5%	1%
0	1	3	5	7