【摘要】：從地殼對(duì)接消減帶與地殼疊接消減帶的概念出發(fā),討論了板塊構(gòu)造巖漿旋回,俯沖增生造山和陸-陸碰撞造山分別對(duì)應(yīng)于板塊會(huì)聚構(gòu)造的第一次和第二次造山作用;討論了俯沖增生造山的結(jié)構(gòu)樣式,主要由俯沖增生雜巖和巖漿弧構(gòu)成;陸-陸碰撞造山指相意義的S型花崗巖類的鑒別標(biāo)志,以及指示板塊構(gòu)造巖漿旋回結(jié)束的后造山過(guò)堿性A型花崗巖類的識(shí)別標(biāo)志。最后主要基于中國(guó)侵入巖大地構(gòu)造圖(1∶250萬(wàn))及其說(shuō)明書(shū)的成果,簡(jiǎn)要地討論了中國(guó)三個(gè)克拉通性質(zhì)的陸塊區(qū)以及與西伯利亞克拉通、印度克拉通之間的大洋區(qū)的洋陸轉(zhuǎn)換形成的俯沖增生造山和隨后的陸-陸碰撞造山,認(rèn)為:(1)塔里木克拉通西北緣與西伯利亞克拉通西南緣陸-陸碰撞可能發(fā)生在石炭紀(jì),早二疊世可能完成;(2)中國(guó)三個(gè)克拉通的陸-陸碰撞可能分別發(fā)生在早—中三疊世,晚三疊世完成拼合,形成中國(guó)主體大陸;(3)早白堊世晚期—晚白堊世完成中國(guó)主體大陸與西伯利亞大陸的最終拼合;(4)新生代中國(guó)大陸與印度大陸拼合,碰撞造山仍在進(jìn)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.
【作者單位】： 中國(guó)地質(zhì)大學(xué)(北京)地球科學(xué)與資源學(xué)院;中國(guó)地質(zhì)調(diào)查局發(fā)展研究中心;
【基金】：中國(guó)地質(zhì)調(diào)查局項(xiàng)目專題“內(nèi)蒙古東部—黑龍江西部火成巖地球化學(xué)填圖”(DD20160123-01)、“中國(guó)巖漿巖基礎(chǔ)地質(zhì)調(diào)查成果集成與圖件編制(侵入巖)”;中國(guó)地質(zhì)調(diào)查局發(fā)展研究中心項(xiàng)目(中地調(diào)研合同(2014)第169號(hào));中國(guó)地質(zhì)調(diào)查局項(xiàng)目(12120114020901,121201121075)
【分類號(hào)】：P542

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