中非新元古代铜钴成矿带的地质背景和控矿因素  

Geological setting and ore-controlling factors of the central African Cu-Co metallogenic belt

作　　者：余金杰[1] 刘晓阳 王杰[2] 王铁柱[1] 陆邦成 刘帅杰[1] 

机构地区：[1]中国地质科学院矿产资源研究所国土资源部成矿作用与资源评价重点实验室,北京100037 [2]中国地质调查局天津地质调查中心,天津300170 [3]中国地质大学(北京)地球科学与资源学院,北京100083

出　　处：《地质找矿论丛》2015年第A01期119-128,共10页Contributions to Geology and Mineral Resources Research

基　　金：中国地质调查局国外矿产资源风险勘查基金项目"中南部非洲重要成矿带成矿规律研究与资源潜力分析"(编号:科[2011]D3-04)资助

摘　　要：卢菲利安弧形构造带由泛非运动引起,该带由南往北可进一步划分为加丹加高地、复向斜带、穹隆区、外部褶皱逆冲带和前陆带等5个单元。泛非运动期间,卢菲利安弧经历了3个不同的构造变形阶段。文章对中非铜钴成矿带的地层层序进行了合理划分,将中非铜钴成矿带中的矿床类型划分为6种,最著名的为矿山亚群中的层状铜钴矿床,次为恩古巴群中以碳酸盐岩为容矿岩石的锌铅铜银矿床;总结了成矿带中矿床的时空分布规律,认为矿床受地层、岩性、构造和表生氧化作用的联合控制。The Lufilian arc is composed of Katagan High,synclinorial belt,domes region,outer fold and thrust belt and foreland from south to north,resulted from Pan-Africa orogeny,experienced three phases of structural deformation,including Kolwezian phase,Monwezi phase and Chilatembo phase.The stratigraphic sequences in the central Africa Cu-Co metallogenic belt are described.Six types of deposits are classified in the central Africa Cu-Co metallogenic belt.The stratiform Cu-Co deposits,hosted in the Mines Subgroup,are very famous.The carbonatie-hosted Zn-Pb-Cu-Ag deposits in the Nguba Group are also important.The temporal and spatial distribution of the deposits in the Cu-Co metallogenic belt is briefly summarized in the paper.These deposits in the Cu-Co metallogenic belt are controlled by stratigraphy,lithology,structure and supergene process.

关 键 词：中非铜钴成矿带 砂页岩型铜钴矿床 地质背景 成矿控制因素 加丹加 

分 类 号：P612[天文地球—矿床学] P618.4[天文地球—地质学]