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

Mineral assessment tracts in Riverside county, California

[Additional scientific data in this geographic area]

PC03: Skarn Cu (18b) (Mesozoic) , covers 10 % of this area

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

PC08: Porphyry Cu (17) (Mesozoic) , covers 37 % of this area

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

PC18: Massive sulfide, Sierran kuroko (28a.1) (Mesozoic) , covers 0.8 % of this area

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

PC35: Hot-spring Au-Ag (25a) (Tertiary) , covers 5 % of this area

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

PC40: Low-sulfide Au-quartz vein (36a) (Mesozoic) , covers 39 % of this area

90%	50%	10%	5%	1%
2	6	9	12	15

SB01: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 3 % of this area

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

SB03: Skarn Cu (18b) (Mesozoic - Tertiary) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
3	30	50	60	60

SB06: Porphyry Cu (17) (Mesozoic - Tertiary) , covers 50 % of this area

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

SB17: Porphyry Cu-Au (20c) (Laramide) , covers < 0.1 % of this area

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

SB18: Polymetallic replacement + skarn Zn-Pb (19a + 18c) (Mesozoic - Tertiary) , covers 3 % of this area

90%	50%	10%	5%	1%
0	1	2	5	7

SB20: Polymetallic replacement + skarn Zn-Pb (19a + 18c) (Mesozoic - Tertiary) , covers < 0.1 % of this area

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

SB24: Distal disseminated Ag-Au (19c) (Mesozoic - Tertiary) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
1	2	5	7	10

SB27: Epithermal vein, Comstock (25c) (Tertiary) , covers 1 % of this area

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

SB31: Epithermal vein, Sado (25d) (Tertiary) , covers 1 % of this area

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

SB32: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 1 % of this area

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

SB36: Hot-spring Au-Ag (25a) (Tertiary) , covers 1 % of this area

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

SB37: Hot-spring Au-Ag (25a) (Tertiary) , covers 9 % of this area

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