1 resultado para Thomaz, Luís Filipe, 1942-

em Digital Commons - Montana Tech


Relevância:

20.00% 20.00%

Publicador:

Resumo:

The manganese minerals occur in the peripheral zone of the Butte district with quartz in veins, which at depth contain galena and sphalerite closely associated with silver-bearing minerals. The manganese oxides are all oxidation products formed by weathering of primary rhodochrosite or rhodonite.