Characteristic Sulfat Geochemistry of Barite (BaSO4) Marine Type on Marl Tonasa Formation Barru, South Sulawesi

Abstract

Abstract Barites can form in the marine environment as autogenic minerals, which are dominated by barium, carbonate and sulfate elements. Barite mineral distribution on Marl are occurred on two location which are Ralla and Barru Area (1) Ralla, irregular shape (2) Barru, barite concression, slightly rounded. The study aims to determine sulfat geochemistry as chemical bond and the influence of barium depositional environment. Applied Petrography, SEM and XRD Analysis on Marl, Andesite, and Barite mineral. Tabular rosset texture with minor Calcite are indicated that source of Sulfat material comes from Neritic environment (Barru) and penetration of hydrothermal solution.

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