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Revista de la Asociación Geológica Argentina
Print version ISSN 0004-4822On-line version ISSN 1851-8249
Abstract
DEL BLANCO, Miguel et al. Characteristicsof a shallow epithermal mineralization in the Deseado Massif, Patagonia. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp.373-382. ISSN 0004-4822.
In this contribution we present the principalcharacteristics of an area with epithermal mineralization located nearEstancias San Pedro and La Evelina, in the central portion of the DeseadoMassif. These mineral concentrations, constituted by quartz veins and veinlets,and with high amounts of Mn, Fe, Sb, Tl, Hg y As, represent an ore type withonly a few precedents in this geological province. The geochemical,microthermometrical, stables isotopes and mineralogical studies revealed forthese deposits a structurally high position inside the epithermal system.
Keywords : Epithermalmineralization; Fluidinclusions; Stableisotopes.