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

Mineral assessment tracts in Stevens county, Washington

[Additional scientific data in this geographic area]

NR01: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 7 % of this area

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

NR02: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 79 % of this area

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

NR03: Skarn Zn-Pb (18c) (Mesozoic - Tertiary) , covers 79 % of this area

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

NR05: Skarn Au, truncated (b1930) (Mesozoic) , covers 7 % of this area

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

NR06: Skarn Au, truncated (b1930) (Mesozoic) , covers 79 % of this area

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

NR08: Porphyry Cu (BC-AK) (17) (Mesozoic) , covers 13 % of this area

90%	50%	10%	5%	1%
0	0	2	3	4

NR12: Polymetallic replacement (19a) (Mesozoic - Tertiary) , covers 79 % of this area

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

NR14: Alkaline Au-Te (22b) (Cretaceous) , covers 12 % of this area

90%	50%	10%	5%	1%
0	0	1	2	4

NR17: Massive sulfide, Besshi (24b) (Mesozoic) , covers 7 % of this area

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

NR18: Massive sulfide, kuroko (28a) (Permian - Triassic) , covers 7 % of this area

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

NR21: Epithermal vein, Comstock (25c) (Tertiary) , covers 6 % of this area

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

NR27: Hot-spring Au-Ag (25a) (Tertiary) , covers 6 % of this area

The number of undiscovered deposits in this tract was not estimated.

NR32: Sediment-hosted Au (26a) (Phanerozoic) , covers 25 % of this area

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

NR36: Sediment-hosted Cu, reduced-facies (30b.1) (Proterozoic) , covers 7 % of this area

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

NR37: Sediment-hosted Cu, Revett (30b.3) (Proterozoic) , covers 7 % of this area

90%	50%	10%	5%	1%
9	10	15	20	30

NR38: Sedimentary exhalative Zn-Pb (31a) (Paleozoic) , covers 43 % of this area

90%	50%	10%	5%	1%
0	0	1	2	4

NR39: Sedimentary exhalative Zn-Pb (31a) (Late Proterozoic) , covers 13 % of this area

90%	50%	10%	5%	1%
0	2	4	6	8

NR43: Mississippi Valley, minor (32a + 32b) (Paleozoic) , covers 25 % of this area

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

NR44: Low-sulfide Au-quartz vein (36a) (Mesozoic) , covers 13 % of this area

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