地质学报2011，Vol.85Issue(5)：778-788,11.DOI:CNKI:11-1951/P.20110512.0827.006
长江中下游转换构造结与区域成矿背景分析
Transform Tectonic Node of the Middle and Lower Reaches of the Yangtze River and Analysis of Regional Metallogenic Settings
摘要
Abstract
East China, which had experienced frequent crustal movement, complex tectonic evolution, intense magnetism, and diverse mineralization since the Mesozoic era, is an important area in various tectonic regime transform. The Middle and Lower Reaches of the Yangtze River is a typical area where the tectonic system converted from Mesozoic Tethys tectonic regime to the Pacific tectonic regime. It is a focal point of the two tectonic regimes met and transformed, with the relationship between spatial and temporal evolution of lithospheric material reorganization and structural reconstruction. The structural knots of the Middle and Lower Reaches of Yangtze River were the result of tectonic regime transition between Tethys and Pacific tectonic regimes in eastern China, The Dabie Orogenic belt, Tan-Lu Faulting belt, and MiddleLower Reaches of Yangtze River metallogenic belts directly recorded the transition process of the two tectonic regimes, spatial-temporal relations between deposition-tectonic-magmatic-metallogenic and dynamic setting. The Middle and Lower Reaches of Yangtze River structural knot has distinct regularity of structural overlapping. The magmatic activity and the distribution of the metallogenic belt along the Middle and Lower Reaches of the Yangtze River area are controlled strictly by NE-SW trending structural belt represented by Yangtze River compound structural belt and NW-SE trending structural zones represented by Tongling-Hangzhou structural belt. Node-type mineralization can be found within the structural knots of the Middle and Lower Reaches of Yangtze River. Therefore, the intersection positions between various-scale NE-SW trending structural belts and NW-SE trending structural belts are the locations of ore concentration areas and important deposits.关键词
中生代/长江中下游/构造结/岩浆活动/成矿带Key words
The Middle and Lower Reaches of Yangtze River/ Tectonic node/ Research Activities/Metallogenic Belt引用本文复制引用
宋传中,张华,任升莲,李加好,Lin Shoufa,涂文传,张妍,王中..长江中下游转换构造结与区域成矿背景分析[J].地质学报,2011,85(5):778-788,11.基金项目
本文为国家自然科学基金项目(编号40372097、40772131、41072161)、中国地质调查局科技项目(编号1212011121114)、安徽省公益性地质研究项目(编号2008-g-5)、合肥工业大学重大项目预研基金项目(编号HGZY00008)、中石化基础研究项目(编号20070902)联合资助成果. （编号40372097、40772131、41072161）
