| 西藏高原的水热活动和上地壳热状态初探 |
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| 引用本文： | 佟伟,张知非,廖志杰,朱梅湘,章铭陶.西藏高原的水热活动和上地壳热状态初探[J].地球物理学报,1982,25(1):34-40. |
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| 作者姓名： | 佟伟 张知非 廖志杰 朱梅湘 章铭陶 |
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| 作者单位： | 1. 北京大学地质学系;
2. 中国科学院自然资源综合考察委员会 |
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| 摘 要： | 本文在缺乏传导热流量实测数据的情况下,试图根据遍布高原上的水热活动显示及其南部的板缘水热活动性质,将西藏高原上地壳深10公里的厚度内划分为高热、热和一般等三种状态。高热带位于喜马拉雅山以北至冈底斯-念青唐古拉山以南之间,这就是所谓的喜马拉雅地热带。热带位于藏北高原的南半部,它的北半部被划为一般正常带,其北缘昆仑山中虽于1951年有过火山喷发,但岩浆性质说明它并非来源于壳内熔融,因此上地壳未必是热的。
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| 关 键 词： | 水热活动区 上地壳 热状态 西藏高原 传导热流量 水热活动显示 热田 水热爆炸 水热区 藏北高原 |
| 收稿时间： | 1980-01-10 |
HYDROTHERMAL ACTIVITIES OCCURRING IN XIZANG （TIBETAN） PLATEAU AND PRELIMINARY DISCUSSION ABOUT THE THERMAL REGIME WITHIN ITS UPPER CRUST |
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| TONG WEI,ZHANG ZHI-FEI,LIAO ZHI-JJE,ZHU MEI-XIANG,ZHANG MING-TAO.HYDROTHERMAL ACTIVITIES OCCURRING IN XIZANG （TIBETAN） PLATEAU AND PRELIMINARY DISCUSSION ABOUT THE THERMAL REGIME WITHIN ITS UPPER CRUST[J].Chinese Journal of Geophysics,1982,25(1):34-40. |
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| Authors: | TONG WEI ZHANG ZHI-FEI LIAO ZHI-JJE ZHU MEI-XIANG ZHANG MING-TAO |
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| Institution: | 1. Geology Department, Beijing University;
2. Commission for Integrated Survey of Natural Resources, Academia Sinica |
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| Abstract: | Despite the lacking in observed conductive heat flows, an attempt has been made to divide the upper crust with depth up-to 10 km of the whole Xizang Plateau into superthermal, thermal and the normal states according to the hydrothermal manifestations omnipresent there and their quite different characteristics. The superthermal zone is present between the Himalayas and the Kangdese-Nyainqentanglha. This is the Himalayan Geothermal Belt. The thermal zone is located in the southern part of the Zangbei （Northern Tibet） Plateau, while the northern part of this plateau is in the normal zone. Althougth a volcanic eruption occurred in the northern margin of the latter zone at 27 Oct. 1951, the chemistry of its lava suggests that it did not originate from intracrustal melting and the upper crust of the northern part of Zangbei Plateau might not be hot. |
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