| 北秦岭造山带中的拆沉作用 |
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| 引用本文： | 冯涛,谢静,陈亮,孙勇.北秦岭造山带中的拆沉作用[J].西北地质科学,2000,21(2):15-19. |
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| 作者姓名： | 冯涛 谢静 陈亮 孙勇 |
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| 作者单位： | 西北大学地质系,西安,710069 |
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| 摘 要： | 秦岭造山是一个非常有特色的碰撞造山带，来自地球物理、地球化学以及地质学的证据说明秦岭造山带中发生过拆沉作用，笔者主要讨论了北秦岭造山发生拆沉作用地地球物理、地球化学以及地质学证据，重点运用北秦岭地壳的地球化学特征进行对经，并用拆沉作用解释商丹地区的一些特殊地质现象。
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| 关 键 词： | 秦岭造山带 拆沉作用 地球化学特征 下地壳 地幔 |
| 修稿时间： | 1999-09-11 |
Delamination of the Northern Qinling orogenic belt |
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| FENG Tao,XIE Jing,CHEN Liang,SUN Yong.Delamination of the Northern Qinling orogenic belt[J].Northwest Geoscience,2000,21(2):15-19. |
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| Authors: | FENG Tao XIE Jing CHEN Liang SUN Yong |
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| Abstract: | Qinling is a very famous orogenic belt Geological, geophysical and geochemical evidences indicate that delamination has been taken place in Qinling orogenic belt In this article, the authors discuss the evidences of delamination in the Qinling orogenic belt,especcially in the Northern Qinling Some unusual geological phenomenon has been explained by delamination in Shangdan fault belt |
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| Keywords: | Qinling orogenic belt delamination crust mantle interaction lower crust |
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