| 横断事件:亚洲东部晚新生代的一次重大构造事件 |
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| 引用本文： | 陈富斌.横断事件:亚洲东部晚新生代的一次重大构造事件[J].山地学报,1992(4). |
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| 作者姓名： | 陈富斌 |
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| 作者单位： | 中国科学院、水利部成都山地灾害与环境研究所 |
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| 基金项目： | 国家自然科学基金(项目号，850562) |
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| 摘 要： | 新近研究结果表明,吉尔伯特世与高斯世的界面附近(距今约340万年)存在着一次重大构造事件,主要证据在横断山系,故称横断事件。由它引发我国第四纪断陷盆地的发育与青藏高原的块状隆起,使横断山系新的地貌过程得以起步,从此我国地壳构造演化进入一个崭新的阶段,青藏高原隆起是横断事件以来亚洲大陆新构造运动的代表性显现,建议以该事件为起点的地壳构造运动称为青藏高原运动。
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| 关 键 词： | 横断事件 青藏高原运动 地貌过程 风化壳型红土 夷平面 |
HENGDUAN EVENT: AN IMPORTANT TECTONIC EVENT OF THE LATE CENOZOIC IN EASTERN ASIA |
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| Chen Fubin.HENGDUAN EVENT: AN IMPORTANT TECTONIC EVENT OF THE LATE CENOZOIC IN EASTERN ASIA[J].Journal of Mountain Research,1992(4). |
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| Authors: | Chen Fubin |
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| Abstract: | According to the newest data of lithostratigraphy, biostratigraphy, magnetostratigraphy and geomorphology in the Southwest and Month China, an important tectonic event is suggested to Gauss/Gilbert boundary (about 3. 4Ma BP). For the major evidences which can support the event exist in Hengduan Mountain System very popularly, the event may be named as Hengduan Event.Hengduan Event causes the Quaternary graben basins in China, the uplifting of Qinghai-Xizang Plateau and the geomorphological process of huge downcutting in Hengduan Mountain System. It marks the new developing stage of crustal movement in geological term. For the uplifting of Qinghai-Xizang Plateau is the most significance f crustal movement in the continent of Asia since Hengduan Event, the new developing stage of crustal movement from Hengduan Event is suggested to be named as Qinghai-Xizang Plateau Movement.. The relations between Hengduan Event and Qinghai-Xizang Plateau Movement are shown in the following table: |
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| Keywords: | Hengduan Event Qinghai-Xizang Plateau Movement geomorphological process Hipparion red earth planation surface |
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