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

Mineral assessment tracts in Twin Falls county, Idaho

[Additional scientific data in this geographic area]

GB08: Porphyry Cu (17) (Cretaceous) , covers < 0.1 % of this area

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

GB09: Porphyry Cu (17) (Tertiary) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
1	3	4	6	8

GB10: Porphyry Cu (17) (Jurassic) , covers < 0.1 % of this area

90%	50%	10%	5%	1%
1	3	6	9	12

GB26: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 38 % of this area

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

GB28: Hot-spring Au-Ag (25a) (Tertiary) , covers 38 % of this area

90%	50%	10%	5%	1%
13	18	21	25	29

GB30: Sediment-hosted Au (26a) (Phanerozoic) , covers 31 % of this area

90%	50%	10%	5%	1%
15	21	27	30	33

PC25: Epithermal vein, Comstock (25c) (Tertiary) , covers 36 % of this area

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

PC33: Hot-spring Au-Ag (25a) (Tertiary) , covers 36 % of this area

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