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

Mineral assessment tracts in Presidio county, Texas

[Additional scientific data in this geographic area]

CR04: Skarn Cu (18b) (Tertiary) , covers 74 % of this area

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

CR07: Skarn Zn-Pb (18c) (Tertiary) , covers 74 % of this area

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

CR14: Porphyry Cu-Au (20c) (Middle Tertiary) , covers 19 % of this area

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

CR19: Polymetallic replacement (19a) (Tertiary) , covers 74 % of this area

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

CR22: Alkaline Au-Te (22b) (Middle Tertiary) , covers 19 % of this area

90%	50%	10%	5%	1%
2	5	8	12	20

CR28: Epithermal vein, quartz-adularia (25c + 25d) (Tertiary) , covers 56 % of this area

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