Abstract
Models of copper-porphyry deposits formation examined from the petrological and geochemical points of view. The principal differences between the models are time and mechanism of sulfide ore precipitation and the composition of ore-bearing fluid. It is shown that copper-rich fluid inclusions contain insufficient amount of sulfur for sulfide ore formation and it have to be independent source of sulfur for copper-porphyry deposits formation.
Highlights
Models of copper-porphyry deposits formation examined from the petrological and geochemical points of view
It is shown that copperrich fluid inclusions contain insufficient amount of sulfur for sulfide ore formation and it have to be independent source of sulfur for copper-porphyry deposits formation
Усилившийся в последние годы интерес к месторождениям меднопорфирового типа связан со скачкообразным ростом цены на медь в начале 2000-х гг. [Mudd et al, 2013]
Summary
Models of copper-porphyry deposits formation examined from the petrological and geochemical points of view. Одностадийная модель образования МПМ, принятая на данный момент большинством исследователей ([Sinclair, 2007; Berger et al, 2008; John et al, 2010; Sillitoe, 2010; Richards, 2011] и ссылки в этих работах), предполагает образование меднопорфировых месторождений при инъекции во вмещающие породы обогащенного рудными компонентами водного флюида магматического происхождения, скапливающегося в верхних частях батолитов среднего или кислого состава.
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