DOI:
矿床地质:1995,Vol.>>Issue(4):314-321,328

新疆阿舍勒铜锌矿床矿石化学组分分带研究及意义
中国地质科学院区划室
Chemical components zoning of ores in the Ashele copper-zinc deposit, Xinjiang, and its implication
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中文摘要:阿舍勒铜锌矿床是近年来发现的大型火山成因块状硫化物矿床之一。由于矿床成矿后遭受构造变质变形作用,使矿体的形态、产状发生了很大变化,所以矿体的分带结构也很难保留 该类矿床所具有的理想分带型式。因此,研究矿床分带性,对于了解矿床的成矿方式以及确定矿体的分布型式、产出状态,进而指导找矿预测等方面均具一定意义。笔者主要从研究矿石化学组分分布特征人手,在采集(469件)和收集大量钻孔矿石微量元素定量测试样品的基础上,采用分带序列、元素含量比值和因子分带等方法,对矿床的分带结构进行了研究。
Abstract:By means of zonal succession, content ratios and factor zonality, the authors studied zonation of ore components in the Ashele copper-zinc massive sulfide deposit. Some understanding has been drawn from the research: (1) with the overlying spilite as the core, the orebody occurs as an overturned syncline; vertically, from the bottom to top of the massive sulfide lens, the ore components show zonation of Sn, Mo, Co, Cu, Bi-Au, As, Sb, Ag-Pb, Zn, Hg and Ba; (2) the orebody occurring on the normal limb of the syncline has not been completely disclosed in that the chalcopyrite-pyrite and pyrite beds characterized by rich Mo, Co, Sn and Bi were not found, suggesting that further prospecting work can be done toward the depth; (3) the massive sulfide deposit was formed through the discharging of hydrothermal fluid from the near-surface channel at the southern part (south of 4th line) to a depression in the north; as a result, it exhibits from south to north the primary zoning of altered pipe-massive polymetallie sulfide ore (4th-lst line) massive sphalerite-chalcopyrite-pyrite ore massive chalcopyrite-pyrite ore (5th-9th line).
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引用文本:
王全明,方一平,冯京.1995.新疆阿舍勒铜锌矿床矿石化学组分分带研究及意义[J].矿床地质,14(4):314~321,328
.1995.Chemical components zoning of ores in the Ashele copper-zinc deposit, Xinjiang, and its implication[J].Mineral Deposits14(4):314~321,328
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