地壳对接消减带和叠接消减带与陆-陆碰撞造山和俯冲增生造山:来自侵入岩构造组合的记录
发布时间：2018-07-24 20:19
【摘要】：从地壳对接消减带与地壳叠接消减带的概念出发,讨论了板块构造岩浆旋回,俯冲增生造山和陆-陆碰撞造山分别对应于板块会聚构造的第一次和第二次造山作用;讨论了俯冲增生造山的结构样式,主要由俯冲增生杂岩和岩浆弧构成;陆-陆碰撞造山指相意义的S型花岗岩类的鉴别标志,以及指示板块构造岩浆旋回结束的后造山过碱性A型花岗岩类的识别标志。最后主要基于中国侵入岩大地构造图(1∶250万)及其说明书的成果,简要地讨论了中国三个克拉通性质的陆块区以及与西伯利亚克拉通、印度克拉通之间的大洋区的洋陆转换形成的俯冲增生造山和随后的陆-陆碰撞造山,认为:(1)塔里木克拉通西北缘与西伯利亚克拉通西南缘陆-陆碰撞可能发生在石炭纪,早二叠世可能完成;(2)中国三个克拉通的陆-陆碰撞可能分别发生在早—中三叠世,晚三叠世完成拼合,形成中国主体大陆;(3)早白垩世晚期—晚白垩世完成中国主体大陆与西伯利亚大陆的最终拼合;(4)新生代中国大陆与印度大陆拼合,碰撞造山仍在进行。
[Abstract]:The first and second orogeny of plate tectono magmatic cycles, subducted orogeny and continental collision orogenic orogeny are discussed, and the structural patterns of subduction and orogenic orogeny are discussed, which are mainly composed of subduction accretionary complex and magmatic arc. The identification marks of the S type granitoids of the continental continental collision orogeny and the identification marks of the post orogenic A type granitoids indicating the end of the tectonic magmatic cycles are identified. Finally, based on the achievements of the Chinese intrusive rock geodetic map (1: 2 million 500 thousand) and its instructions, the land of three craton properties in China is briefly discussed. The block area and the subduction orogeny formed by the oceanic land conversion between the Siberia Craton and the India craton were subducted by subduction orogeny and the subsequent continental collision orogeny. (1) the northwestern border of the Tarim Craton and the southwestern border of Siberia craton may occur in the Carboniferous period and may be completed in the early Permian; (2) three carats in China. The land-land collisions may occur respectively in the early and middle three fold stages, the late three fold period completed and formed the main continent of China, and (3) the final combination of the main continent of China and the mainland of Siberia was completed in the late Cretaceous late Cretaceous, and (4) the collision orogeny was still carried out in the Cenozoic China continent and the mainland of India.
【作者单位】： 中国地质大学(北京)地球科学与资源学院;中国地质调查局发展研究中心;
【基金】：中国地质调查局项目专题“内蒙古东部—黑龙江西部火成岩地球化学填图”(DD20160123-01)、“中国岩浆岩基础地质调查成果集成与图件编制(侵入岩)”;中国地质调查局发展研究中心项目(中地调研合同(2014)第169号);中国地质调查局项目(12120114020901,121201121075)
【分类号】：P542
本文编号：2142544
[Abstract]:The first and second orogeny of plate tectono magmatic cycles, subducted orogeny and continental collision orogenic orogeny are discussed, and the structural patterns of subduction and orogenic orogeny are discussed, which are mainly composed of subduction accretionary complex and magmatic arc. The identification marks of the S type granitoids of the continental continental collision orogeny and the identification marks of the post orogenic A type granitoids indicating the end of the tectonic magmatic cycles are identified. Finally, based on the achievements of the Chinese intrusive rock geodetic map (1: 2 million 500 thousand) and its instructions, the land of three craton properties in China is briefly discussed. The block area and the subduction orogeny formed by the oceanic land conversion between the Siberia Craton and the India craton were subducted by subduction orogeny and the subsequent continental collision orogeny. (1) the northwestern border of the Tarim Craton and the southwestern border of Siberia craton may occur in the Carboniferous period and may be completed in the early Permian; (2) three carats in China. The land-land collisions may occur respectively in the early and middle three fold stages, the late three fold period completed and formed the main continent of China, and (3) the final combination of the main continent of China and the mainland of Siberia was completed in the late Cretaceous late Cretaceous, and (4) the collision orogeny was still carried out in the Cenozoic China continent and the mainland of India.
【作者单位】： 中国地质大学(北京)地球科学与资源学院;中国地质调查局发展研究中心;
【基金】：中国地质调查局项目专题“内蒙古东部—黑龙江西部火成岩地球化学填图”(DD20160123-01)、“中国岩浆岩基础地质调查成果集成与图件编制(侵入岩)”;中国地质调查局发展研究中心项目(中地调研合同(2014)第169号);中国地质调查局项目(12120114020901,121201121075)
【分类号】：P542
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