蒂瓦共和国 Kyzyk-Chadr 矿床硫化物激光显微分析揭示的 "隐藏 "矿物地球化学地带性

I. Starostin
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引用次数: 0

摘要

对 Kyzyk-Chadr 斑岩型铜矿床的综合研究包括确定矿石形成的硫化物矿物中微量元素在矿石寄存岩体中的组成和空间分布。研究采用质谱分析法,对分析材料进行激光烧蚀。已经确定了 "隐蔽的 "矿物学和地球化学分带的稳定定性和定量元素,这些元素表现为黄铁矿和黄铜矿中微量元素浓度的变化及其在含矿斑岩铜堆积层中的比例。已确定的规律性与矿床的离心矢量和矿石-金属矿物学带的同心模式相关联。
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“Hidden” mineralogical-geochemical zonality revealed by the laser microanalysis of sulfides at the Kyzyk-Chadr deposit, Republic of Tyva
A comprehensive study of the Kyzyk-Chadr porphyry copper deposit included determination of the composition and spatial distribution of trace elements in ore-forming sulfide minerals over the ore- hosting rock volume. The study was carried out using the mass spectrometric analysis with laser ablation of the analyzed material. Steady qualitative and quantitative elements of a “hidden” mineralogical and geochemical zonality have been identified, that are expressed in variations in the concentration of trace elements and their ratios in pyrites and chalcopyrites over the volume of the ore-bearing porphyry copper stockwork. The identified regularities correlate with the established centrifugal vector and concentric pattern of the mineralogical ore-metasomatic zonality of the ore deposit.
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