1. La Escondida Gold-Silver Project
(Sonora, Mexico)
Presented to Meus Exploracion S.A. de N.V
by Michel Gauthier
Gardin Inc.
Gardin Inc.

2. La Escondida, Cumeral and Cerro Blanco:
Three gold-silver projects in different tectonic settings
(From Groves, D.I., Goldfarb, R.J., Gebre-Mariam, H., Hagemann, S.G., and Robert, F., Orogenic gold deposits- A proposed classification in the context of their crustal distribution and relationship to other gold deposit type: Ore geology Reviews, v. 13, 7-27).
Gardin Inc.

3. An orogenic gold-silver deposit
La Escondida
(Sonora, Mexico)
An orogenic gold-silver deposit
Gardin Inc.

4. Does’it really matter? Yes, for planning an exploration strategy!
What is the difference between an orogenic (epizonal) gold-silver deposit and an epithermal deposit gold silver deposit?
Does’it really matter? Yes, for planning an exploration strategy!
(From Groves, D.I., Goldfarb, R.J., Gebre-Mariam, H., Hagemann, S.G., and Robert, F., Orogenic gold deposits- A proposed classification in the context of their crustal distribution and relationship to other gold deposit type: Ore geology Reviews, v. 13, 7-27).
Gardin Inc.

5. Escondida: an orogenic (epizonal) Au-Ag-Sb deposit
Jamesonite (Pb4FeSb6S14 ):
The lead mineral at Escondida which indicates a characteristic Au-Sb epizonal orogenic metallic association
Gardin Inc.

6. Escondida: typical orogenic epizonal ore texture
Gardin Inc.

7. Obviously a compressional tectonic setting

8. Saddle reef Western end of La Abundancia vein

9. Close up on reverse fault Western end of La Abundancia vein

10. Stratabound veining Western end of La Abundancia vein

11. Stratabound veining Eastern end of La Generosa vein

13. Another type of target: Gold-bearing quartz veinlets stockwork in competent gabbro hosted by incompetent mudslates

14. Kalgoorlie(Australia): A world-class orogenic gold deposit in such competent gabbro