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Can hydrogen sulphide gas be produced during alkaline leach of enargitic copper concentrates?

Montes-Atenas, Gonzalo; de Guevara, Rodrigo Ladrón; Lizama-Allende, Katherine; Valenzuela, F. (Elsevier B.V., 2019)

© 2019 Elsevier B.V. The usual answer to the question stated in the title of this manuscript would be a definitive no due to the high stability of dissolved sulphide ions in water under strong alkaline conditions; nevertheless, ...

Occurrence and distribution of silver in the world-class Río Blanco Porphyry Cu-Mo deposit, central Chile

Crespo, Jorge; Reich Morales, Martín; Barra, Fernando; Verdugo, Juan José; Martínez, Claudio; Leisen, Mathieu; Romero, Rurik; Morata Céspedes, Diego; Marquardt, Carlos (Soc Economic Geologists, 2020)

Porphyry Cu-Mo deposits (PCDs) are the world’s major source of Cu, Mo, and Re and are also a significant source of Au and Ag. Here we focus on the world-class Río Blanco PCD in the Andes of central Chile, where Ag is a ...