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Abstract <p>The results of two experiments on the interaction of fluorine-bearing granite melt and calcite with the same initial composition of the dry charge and different regimes of volatiles are reported. It is shown that a significant transport of matter occurs at the boundary between calcite and fluorine-bearing granite melt at given <i>P</i>–<i>T</i> parameters in both cases. In addition to other components, W and Mo are transported from the silicate melt to the carbonate part, where they are fixed in the composition of molybdenum-bearing scheelite. Comparison of the samples allows us to qualitatively assess the effect of the fluid composition in the studied system on the stability of the resulting phases and the probability of the transport of ore components.</p>

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Interaction of a Fluorine-Bearing Aluminosilicate Melt and Calcite at 750°C, 1 kbar, and a Variable Volatile Regime

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • Ya. O. Alferyeva,
  • A. V. Mikshin,
  • T. I. Shchekina,
  • E. I. Grigorieva

摘要

Abstract

The results of two experiments on the interaction of fluorine-bearing granite melt and calcite with the same initial composition of the dry charge and different regimes of volatiles are reported. It is shown that a significant transport of matter occurs at the boundary between calcite and fluorine-bearing granite melt at given P–T parameters in both cases. In addition to other components, W and Mo are transported from the silicate melt to the carbonate part, where they are fixed in the composition of molybdenum-bearing scheelite. Comparison of the samples allows us to qualitatively assess the effect of the fluid composition in the studied system on the stability of the resulting phases and the probability of the transport of ore components.