| 中国东部岩石圈根／去根作用与大陆“活化”──东亚型大陆动力学模式研究计划 |
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| 引用本文： | 邓晋福,莫宣学.中国东部岩石圈根／去根作用与大陆“活化”──东亚型大陆动力学模式研究计划[J].现代地质,1994,8(3):349-356. |
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| 作者姓名： | 邓晋福 莫宣学 |
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| 作者单位： | China University Of Geosciences，Beijing，100083 |
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| 基金项目： | 国家自然科学基金,地矿部八五重大基础研究项目 |
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| 摘 要： | 本文提出东亚大陆动力学研究中的主要科学问题──为什么东部大陆会“活化”？基于近１０多年来研究获得的一个重要地质事实：印支期东部诸陆块拼合成统一大陆时岩石圈巨厚（≥１５０～２００ｋｍ），新生代以来岩石圈厚度只有６０～８０ｋｍ，指出岩石圈根与去根作用是东部大陆“活化”的根本原因，并提出５组具体的科学问题需要探索与研究。
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| 关 键 词： | 东部大陆“活化” 岩石圈根与去根作用 |
LITHOSPHERE ROOT/DE-ROOTING AND ACTIVATION OF THE EAST CHINA CONTINENT |
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| Deng Jinfu, Mo Xuanxue,Zhao Hailing, Luo Zhaohua, Du Yangsong.LITHOSPHERE ROOT/DE-ROOTING AND ACTIVATION OF THE EAST CHINA CONTINENT[J].Geoscience——Journal of Graduate School,China University of Geosciences,1994,8(3):349-356. |
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| Authors: | Deng Jinfu Mo Xuanxue Zhao Hailing Luo Zhaohua Du Yangsong |
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| Abstract: | Why the east China continent has activited since Mesozoic? --presents by this paper as a principal scientific problem for study on the East Asia continent dynamics. The authors propose a new key clue to the study--the formation of the lithosphere root and in sequence their de--rooting are the fundamental cause for the activation of the east China continent, on the basis of the main geological facts obtained from recently ten--years researches as follows: the lithosphere is greatly thickened by j150--200 km during the formation of the east China continent assembled from several continental blocks in the indoChina movement, but the lithosphere is thinned by 60--80 km since Cenozoic. Finally, the authors suggest five groups of the scientific problems to investigate in the future. |
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| Keywords: | activation of the east China continent lithosphere root and de-rooting |
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