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

Mineral assessment tracts in Snohomish county, Washington

[Additional scientific data in this geographic area]

PC04: Porphyry Cu (BC-AK) (17) (Mesozoic - Tertiary) , covers 76 % of this area

90%	50%	10%	5%	1%
3	6	15	15	15

PC12: Massive sulfide, Sierran kuroko (28a.1) (Mesozoic) , covers 30 % of this area

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

PC19: Epithermal vein, Comstock (25c) (Tertiary) , covers 2 % of this area

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

PC27: Epithermal vein, Sado (25d) (Tertiary) , covers 3 % of this area

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

PC28: Hot-spring Au-Ag (25a) (Tertiary) , covers 6 % of this area

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