nsuta minas de manganeso tarkwa 2

Rhodochrosite Mineral information, data and localities.

Calcite Group. CalciteRhodochrosite Series and RhodochrositeSiderite Series. Commonly occurs as a primary gangue mineral in moderate to lowtemperature hydrothermal veins, also in hightemperature metasomatic deposits and sedimentary manganese deposits or as a late stage hydrothermal mineral in pegmatites, especially lithiophilitebearing ones.

Pyrolusite Mineral information, data and localities.

Ávila, J.C., Gozalvez, M.E. y Sardi, F.G., 1992. Los nódulos de manganeso de Tucumán.Su comparación con los de los fondos del Océano Pacífico. 1ra Reunión de Mineralogía y Metalogenia y 1ra Jornada de Mineralogía, Petrografía y Metalogénesis de Rocas Ultrabásicas. Instituto de Recursos Minerales, UNLP. Publicación 2 3544.