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

Mineral assessment tracts in Custer county, Idaho

[Additional scientific data in this geographic area]

NR02: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 37 % of this area

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

NR03: Skarn Zn-Pb (18c) (Mesozoic - Tertiary) , covers 37 % of this area

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

NR06: Skarn Au, truncated (b1930) (Mesozoic) , covers 37 % of this area

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

NR09: Porphyry Cu (North America) (17) (Mesozoic) , covers 98 % of this area

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

NR12: Polymetallic replacement (19a) (Mesozoic - Tertiary) , covers 37 % of this area

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

NR22: Epithermal vein, Comstock (25c) (Tertiary) , covers 4 % of this area

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

NR28: Hot-spring Au-Ag (25a) (Tertiary) , covers 4 % of this area

90%	50%	10%	5%	1%
0	2	5	7	8

NR36: Sediment-hosted Cu, reduced-facies (30b.1) (Proterozoic) , covers 0.9 % of this area

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

NR37: Sediment-hosted Cu, Revett (30b.3) (Proterozoic) , covers 0.9 % of this area

90%	50%	10%	5%	1%
9	10	15	20	30

NR39: Sedimentary exhalative Zn-Pb (31a) (Late Proterozoic) , covers 0.9 % of this area

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

NR40: Sedimentary exhalative Zn-Pb (31a) (Paleozoic) , covers 7 % of this area

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