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华南地区侵入岩时空演化框架
The Intrusive Spatial Temporal Evolutional Framework in the Southeast China
【摘要】 长期以来,对华南地区构造演化和造山带性质,讨论很多,但分歧很大。本文主要基于中国侵入岩大地构造编图(1∶250万)和研究这个侧面,参加讨论。1扬子东南缘与武夷—云开(即华夏)的构造性质;2钦杭oφ作为亚省级主洋盆的识别及其分段性;3关于弧—弧、弧—陆碰撞和陆陆碰撞的识别;4燕山期洋—陆会聚的构造格局;5洋—陆分布格局的重组;6俯冲增生造山带与εNd(t);7陆缘洋与陆间洋等问题。
【Abstract】 For a long time,a lot of the models about the tectonic evolution and the nature of the orogenic zone of the Southeast China are suggested by many geologists,and there is large divergence of the views. Based on the intrusive tectonic map of China with the scale of 1∶ 2500,000,by this paper we would like to join the discussion.Several topics are discussed as follows:( 1) The tectonic nature of both the southeast margin of the Yangtze craton and the Cathaysia region;( 2) The recognition and segmentation of the Southeast ocean as a major oceanic basin;( 3) The recognition about both the arc—arc and arc—continent "collision" and the continent— continent collision;( 4) The tectonic pattern of the Yanshanian ocean—continent convergence;( 5) The reorganization of the ocean—continent distribution;( 6) The subduction—accretional orogenic zone and the εNd( t″);( 7) The continental-margin type ocean and the inter-continental ocean.
【Key words】 Southeast China; Intursive arc; Collisional and post-orogenic intrusive petrotectonic assemblages; Subduction—accretional and continent—continent collisional orogenic zones;
- 【文献出处】 地质论评 ,Geological Review , 编辑部邮箱 ,2016年01期
- 【分类号】P588.12
- 【被引频次】38
- 【下载频次】781