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THERMOBAROGEOCHEMICAL FORMING CONDITIONS OF GOLD-BEARING PEGMATOID FORMATIONS OF GABBRO-NORITIC COMPLEXES OF THE CENTRAL ALDAN
Abstract
This article dedicated of research of thermo-bargeochemical peculiarity of auric pegmatoid, concentrated in Pre-Cambrian basites complexes of Aldan-Stanovoy shield. As result of identify genetic types of inclusions and also complex-works of vacuum-dicriptometrical and gas-chromatographical researchers of PaniginпїЅs gold-ore bodies field, concentrated in enclosed gabbro-noroties of MedvedevskпїЅs igneous, were discovered three major selection highs of fluids components which connected with three systems of inclusion minerogenesis medium: low-temperature (300-400?C), medium-temperature (300-450?C), and high-temperature (450-700?C). Gold-ore mineralization field was formed in two productive stages: high-temperature with pressure near 800-1400 bar and medium-temperature with pressure from 300-500 bar. Straight correlation dependency between gold value and F-index of fluid activity ore-bearing rock and mineral association ore-bodies, mean that this dependency is important sign for prospect identification and deliniation of gold mineralization.
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References7
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