投稿时间：2024-12-30
修订日期：2025-06-11
网络发布日期：2025-08-26
中文摘要:新疆阿吾拉勒是西天山重要的铁铜成矿带，其西段以早二叠世火山-侵入岩中广泛发育奴拉赛、群吉、穷布拉克等重要铜矿为特色。然而，目前对该地区铜成矿背景和矿床成因认识分歧较大，制约着对区域成矿规律的整体认识。文章通过系统野外调查与综合研究，认为早二叠世阿吾拉勒西段为北天山洋关闭后俯冲板片断离的动力学背景，识别出阿吾拉勒西段两类铜成矿作用。其中，第一类以奴拉赛铜矿为代表，辉铜矿大量发育，并呈现出上铜下铁的成矿特征；第二类以群吉铜矿为代表，早二叠世铜成矿后经历了多期叠加改造过程。阿吾拉勒西段两类铜矿化都与斑岩铜矿床显示一定的相似性，成矿物质主体来自早二叠世火山-侵入岩系，叠加复合改造是该区域铜成矿的典型特征。
Abstract:The Awulale area in Xinjiang is an important iron-copper metallogenic belt in the western Tianshan Mountain. The western section is characterized by the extensive development of important copper deposits such as Nulasai, Qunji, and Qiubulake in Early Permian volcanic-intrusive rocks. However, there are great differences in the understanding of the copper metallogenic background and the genesis of the deposit in this area, which restricts the overall understanding of the regional metallogenic regularity. Through systematic field investigation and comprehensive research, this paper believes that the western section of Awulale in the Early Permian is in a dynamic background of the subduction plate break-off after the closure of the North Tianshan Ocean, and identifies two types of copper mineralization in the western section of Awulale. Among them, the first type is represented by the Nulasai deposit, with a large amount of chalcocite developed and showing the metallogenic characteristics of upper copper and lower iron. The second type, represented by Qunji deposit, has undergone multi-stage superposition and transformation after the early Permian copper mineralization. The two types of copper mineralization in the western section of Awulale show certain similarities with porphyry copper deposit. The main body of ore-forming materials comes from the Early Permian volcanic-intrusive rock series, and multi-stage superposition is a typical feature of copper mineralization in this area.
keywords:Early Permian copper mineralization Nulasai copper deposit Qunji copper deposit Awulale west section
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基金项目:本文得到新疆维吾尔自治区重点研发计划项目(编号：2024B03005)、国家重点研发计划政府间国际创新合作专项(编号：2025YFE0107300)和新疆维吾尔自治区人力资源和社会保障厅“天池英才”项目联合资助
引用文本：
王人可,薛春纪,赵晓波,孙庆,赵云,褚海霞,马华东,朱炳玉,罗晖,朱婉菁.2025.新疆阿吾拉勒西段早二叠世两类铜成矿作用[J].矿床地质,44(4):773~788WANG RenKe,XUE ChunJi,ZHAO XiaoBo,SUN Qing,ZHAO Yun,CHU HaiXia,MA HuaDong,ZHU BingYu,LUO Hui,ZHU WanJing.2025.Two types of Early Permian copper mineralization in western section of Awulale, Xinjiang[J].Mineral Deposits44(4):773~788
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