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Pascua Lama project, Atacama Region, Chile

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Latitude & Longitude (WGS84): 29° 19' 23'' South , 70° 1' 24'' West
Latitude & Longitude (decimal): -29.323056, -70.023333
 
Open-pit gold-silver-copper project owned (as of 2007) by Barrick Gold Corp. Mineralization, both disseminated and of stockwork type, is hosted in late Paleozoic and mid-Tertiary intrusive and volcanic rocks, extending across the border into Argentina too (http://www.mindat.org/loc-156889.html). Located at around 4,600 meters elevation. Estimated 225 million tonnes of ore with an average grade of 1.98 g/t Au and 66 g/t Ag.

The project is controversial because of its economic and environmental consequences.

Mineral List



37 entries listed. 34 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

C. L. Deyell et al (2005) Alunite in the Pascua-Lama High-Sulfidation Deposit: Constraints on Alteration and Ore Deposition Using Stable Isotope Geochemistry. Economic Geology; January 2005; v. 100; no. 1; p. 131-148

Chouinard, A., Paquette, J., & Williams-Jones, A. E. (2005). Crystallographic controls on trace-element incorporation in auriferous pyrite from the Pascua epithermal high-sulfidation deposit, Chile–Argentina. The Canadian Mineralogist, 43(3), 951-963.

Chouinard, A., Williams-Jones, A.E., Leonardson, R.W., Hodgson, C.J., Silva, P., Téllez, C, Vega, J., and Rojas, F. (2005): Geology and genesis of the multistage high-sulfidation epithermal Pascua Au-Ag-Cu deposit, Chile and Argentina. Econonic Geology, 100, 463–490.

Maksaev, V., Townley, B., Palacios, C., and Camus, F. (2007): Metallic ore deposits. In: Moreno, T., and Gibbons, W. (editors): The Geology of Chile. The Geological Society (London), pp. 414.


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