Abstract

Paragenetic associations of tetrahedrite-(Zn) and sphalerite are distinguished in the Teremki gold-ore deposit. The chemical composition of coexisting minerals of this association is determined. The Sb/(Sb + As) and Fe/(Fe + Zn) ratios in tetrahedrite-(Zn) vary from 0.66 to 0.97 and from 0.28 to 0.40, respectively. A negative correlation was established between Sb/(Sb + As) and Fe/(Fe + Zn) ratios. Contents of Fe in sphalerite change from 0.88 to 1.43 wt % (1.5–2.5 mol % FeS). Temperature and sulfur fugacity when precipitation of tetrahedrite-(Zn)–paragenesis were estimated: they range from 130 to 280°C and from 10^–13.2 to 10^–8.1 bars, respectively.

中文翻译：

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Teremki 金矿床（East Transbaikalia）共存四面体-（Zn）和闪锌矿：化学成分和形成条件

摘要

在 Teremki 金矿床中，四面体-(Zn) 和闪锌矿的共生组合很明显。确定了该协会共存矿物的化学成分。四面体-(Zn) 中的 Sb/(Sb + As) 和 Fe/(Fe + Zn) 比率分别在 0.66 到 0.97 和 0.28 到 0.40 之间变化。在 Sb/(Sb + As) 和 Fe/(Fe + Zn) 比率之间建立了负相关。闪锌矿中的 Fe 含量从 0.88 变到 1.43 wt %（1.5-2.5 mol % FeS）。估计四面体-(Zn)-共生沉淀时的温度和硫逸度：它们的范围分别为 130 至 280°C 和 10 ^–13.2至 10 ^–8.1巴。