Mineral Resources
Online Spatial Data
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