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

Mineral assessment tracts in Ferry county, Washington

[Additional scientific data in this geographic area]

NR01: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 4 % of this area

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

NR05: Skarn Au, truncated (b1930) (Mesozoic) , covers 4 % of this area

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

NR14: Alkaline Au-Te (22b) (Cretaceous) , covers 39 % of this area

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

NR17: Massive sulfide, Besshi (24b) (Mesozoic) , covers 0.2 % of this area

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

NR18: Massive sulfide, kuroko (28a) (Permian - Triassic) , covers 4 % of this area

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

NR21: Epithermal vein, Comstock (25c) (Tertiary) , covers 22 % of this area

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

NR27: Hot-spring Au-Ag (25a) (Tertiary) , covers 22 % of this area

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

NR32: Sediment-hosted Au (26a) (Phanerozoic) , covers < 0.1 % of this area

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

NR38: Sedimentary exhalative Zn-Pb (31a) (Paleozoic) , covers 0.7 % of this area

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

NR43: Mississippi Valley, minor (32a + 32b) (Paleozoic) , covers < 0.1 % of this area

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

NR44: Low-sulfide Au-quartz vein (36a) (Mesozoic) , covers 4 % of this area

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