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Autor:
Enrique Espinoza-Medina, Abraham Mendoza-Córdova, Efrén Pérez-Segura, Jesús Roberto Vidal-Solano
Publikováno v:
Boletín de la Sociedad Geológica Mexicana. 61:499-503
The La Caridad mine is located in Sonora and it is the largest mine in Mexico. This is a porphyry type ore deposit dated at 54 Ma. Beautiful green centimetric size crystals of vivianite (Fe 3 (PO 4 ) 2 ·8H 2 O) have been discovered at Mercator coord