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

Mineral assessment tracts in Iron county, Utah

[Additional scientific data in this geographic area]

GB02: Skarn Cu (18b) (Mesozoic - Tertiary) , covers 0.2 % of this area

90%	50%	10%	5%	1%
6	10	14	16	18

GB03: Skarn Cu (18b) (Tertiary) , covers 79 % of this area

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

GB04: Skarn Zn-Pb (18c) (Tertiary) , covers 38 % of this area

90%	50%	10%	5%	1%
0	2	3	4	7

GB05: Skarn Au, truncated (b1930) (Mesozoic - Tertiary) , covers 0.2 % of this area

90%	50%	10%	5%	1%
1	3	6	8	12

GB06: Skarn Au, truncated (b1930) (Tertiary) , covers 46 % of this area

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

GB08: Porphyry Cu (17) (Cretaceous) , covers 0.3 % of this area

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

GB09: Porphyry Cu (17) (Tertiary) , covers 0.3 % of this area

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

GB10: Porphyry Cu (17) (Jurassic) , covers 0.2 % of this area

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

GB12: Porphyry Cu (North America) (17) (Middle Tertiary) , covers 82 % of this area

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

GB13: Porphyry Cu, skarn-related (18a) (Tertiary) , covers 79 % of this area

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

GB15: Polymetallic replacement + skarn Zn-Pb (19a + 18c) (Mesozoic - Tertiary) , covers 0.2 % of this area

90%	50%	10%	5%	1%
9	14	18	20	22

GB16: Polymetallic replacement (19a) (Tertiary) , covers 70 % of this area

90%	50%	10%	5%	1%
3	7	11	13	20

GB17: Distal disseminated Ag-Au (19c) (Mesozoic - Tertiary) , covers 79 % of this area

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

GB18: Distal disseminated Ag-Au (19c) (Mesozoic - Tertiary) , covers 0.2 % of this area

90%	50%	10%	5%	1%
6	10	14	15	17

GB24: Epithermal vein, quartz-adularia (25c + 25d) (Tertiary) , covers 99 % of this area

90%	50%	10%	5%	1%
1	2	4	6	9

GB26: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 0.3 % of this area

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

GB27: Epithermal vein, quartz-alunite (25e) (Tertiary) , covers 99 % of this area

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

GB28: Hot-spring Au-Ag (25a) (Tertiary) , covers 0.3 % of this area

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

GB29: Hot-spring Au-Ag (25a) (Tertiary) , covers 99 % of this area

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

GB30: Sediment-hosted Au (26a) (Phanerozoic) , covers < 0.1 % of this area

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

GB31: Sediment-hosted Au (26a) (Phanerozoic) , covers 72 % of this area

90%	50%	10%	5%	1%
1	2	6	9	16