内蒙古及邻区矿床成矿规律与成矿系列  

Metallogenic regularity and minerogenetic series of ore deposits in Inner Mongolia and adjacent areas

作　　者：毛景文[1] 周振华[1] 武广[1] 江思宏[1] 刘成林[1] 李厚民[1] 欧阳荷根[1] 刘军[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

出　　处：《矿床地质》2013年第4期715-729,共15页Mineral Deposits

基　　金：内蒙古重要矿产资源潜力评价及区域成矿规律研究项目(编号:2006-02-YS01);中国地质调查项目(编号:12120113093600和编号:1212011085260)的联合资助

摘　　要：成矿系列是矿床地质学科中研究区域成矿规律的一种学术思想,主张用系统论、活动论的观点研究在地质历史发展的各阶段、各特定地质构造环境中,成矿作用的过程及形成的矿床组合自然体。文章基于对内蒙古大地构造演化的新认识和新理解,结合周边省、自治区以及境外地质和矿产研究新进展,尤其是大批成矿年龄精测数据和对成岩成矿物质来源的新认识,将内蒙古矿产资源划分为11个主要矿床成矿系列:①太古代鞍山式沉积变质型铁矿成矿系列(包括中太古代和新太古代2个系列);②中元古代海底喷流型铅锌铜硫矿成矿系列;③中元古代白云鄂博稀土元素-铁-铌矿床成矿系列;④奥陶纪—志留纪岛弧环境斑岩铜(金,钼)矿成矿系列;⑤泥盆纪与蛇绿岩有关的铬铁矿矿床成矿系列;⑥晚二叠纪—三叠纪与花岗岩有关的钼金多金属成矿系列;⑦三叠纪—中侏罗世斑岩铜矿床成矿系列;⑧得尔布干地区晚侏罗世—早白垩世与花岗岩有关的浅成低温热液型铅锌多金属矿床成矿系列;⑨大兴安岭及邻区晚侏罗世—早白垩世与花岗岩有关的铅锌锡钼金多金属矿床成矿系列;⑩新生代与湖相沉积-蒸发作用有关的盐类矿床成矿系列。在成矿系列划分的基础上,编制了各成矿系列主要矿床分布图,并简要论述了各个成矿系列的成矿地质背景、成矿特征、矿床组合及时空分布规律等。本次成矿系列的划分,强调以重大构造事件作为背景,突出以重大构造事件与大规模成矿的耦合关系作为出发点,力求从更大尺度上认识当时的地质背景,如将多宝山与白乃庙2个同时代矿床作为一个矿床成矿系列(尽管目前尚不清楚它们属于同一个断续的岛弧链,还是被后来构造运动所分裂)。值得指出的是,内蒙古幅员辽阔,不少矿床的成矿系列具有明显空间递变性,如与古亚洲洋闭合和碰撞有关的成�In the discipline of ore deposits, minerogenetic series is a kind of academic thought of studying regional metallogeny. It advocates using system theory and activity theory to study ore-forming process and ore deposit association that have been developed in various stages of geological history and in specific tectonic environment. In this study, based on the new understanding of tectonic evolution of Inner Mongolia, the new progresses ingeosciences of its adjacent areas, especially a large number of precise mineralization ages data, and the new un- derstanding of the sources of rock-forming and ore-forming materials, the authors divided the ore deposits in In- ner Mongolia into 11 metallogenic series： ① the Archaean Anshan type metamorphic sedimentary iron deposit metallogenic series （consisting of the Middle Archaean and the Late Archaean series） ; ②the Middle Proterozoic submarine exhalative type lead-zinc-copper-sulfur deposit metallogenic series;③ the Mesoproterozoic Bayan Obo REE-Fe-Nb deposit metallogenic series; ④ the Ordovician-Silurian porphyry copper deposit metallogenic series; ⑤ the Devonian ophiolite related chromite deposit metallogenic series;⑥ the Late Permian-Triassic granite re- lated molybdenum-gold polymetallic deposit metallogenic series;⑦ the Triassic-Middle Jurassic porphyry copper deposit metallogenic series; ⑧ the late Jurassic-Early Cretaceous granite related epithermal type lead-zinc poly- metallic deposit metallogenic series in De＇ erbugan area; ⑨ The late Jurassic-Early Cretaceous granite related lead-zinc-tin-molybdenum-gold polymetallic deposit metallogenic series in the Da Hinggan Mountains and adja- cent areas; ⑩ the Cenozoic lacustrine sedimentary-evaporation related salt deposit metallogenic series. Further- more, On the basis of such division, the ore deposit metallogenic series distribution map was drawn up, with a brief discussion on their ore-forming geological background, mineralization characteristics, ore deposits associa- tion and spatial-temp

关 键 词：地质学 矿床成矿系列 成矿规律 成矿历史演化 内蒙古 

分 类 号：P612[天文地球—矿床学]