Mineral Resources
Online Spatial Data
National Mineral Resource Assessment 1998
Mineral assessment tracts in San Joaquin county, California
[
Additional scientific data in this geographic area
]
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
PC34: Hot-spring Au-Ag (25a)
(Tertiary)
, covers 11 % of this area
90%
50%
10%
5%
1%
1
1
2
2
2
PC39: Low-sulfide Au-quartz vein (36a)
(Mesozoic)
, covers 3 % of this area
90%
50%
10%
5%
1%
0
0
0
0
1