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| 大洋钻探与青藏高原 | |
| 引用本文： | 汪品先.大洋钻探与青藏高原[J].地球科学进展,1995,10(3):254-257. |
| 作者姓名： | 汪品先 |
| 作者单位： | 同济大学海洋地质开放实验室 |
| 摘 要： | 青藏高原的隆升历史在海洋沉积中得到记录。印度洋的两大深海沉积扇──孟加拉扇与印度河扇（总面积４×１０５ｋｍ￣２）──便是第三纪中期以来喜马拉雅山脉上升剥蚀的产物。南海北部陆架的莺歌海盆地中巨厚的海相沉积（仅第四系便达２０００ｍ）系来自红河三角洲，也应是青藏高原隆升的结果。另一方面，青藏高原隆升可能是全球新生代变冷和东亚季风兴起的原因，也是世界大洋化学成分和沉积速率显著变化的原因之一。上述种种，都有深海钻探和大洋钻探的发现作为根据。因此，如能将青藏高原的调查研究与大洋钻探结合起来，就可望为揭示全球环境变迂的机理作出突破性的贡献。 |
| 关 键 词： | 大洋钻探 青藏高原 孟加拉扇 全球变化 季风 |
ODP AND QINGHAI/XIZANG(TIBETAN)PALTEAU |
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| Wang Pinxian.ODP AND QINGHAI/XIZANG(TIBETAN)PALTEAU[J].Advance in Earth Sciences,1995,10(3):254-257. | |
| Authors: | Wang Pinxian |
| Institution: | Laboratory of Marine Geology,Tongji University,Shanghai 200092 |
| Abstract: | The uplift history of the Tibetan Plateau has been recorded in marine deposits. The two huge deep-sea sediment fans in the Indian Ocean,i: e.,the Bangal Fan and the Indus-River Fan with a total area over 4 million square kilometres,are products of the uplift and erosion of the Himalayas since the middle Tertiary. The enormous sequence of marine deposits in the Yinggehai Basin on the northern shelf of the South China Sea where the Quaternary along reaches 2000m in thickness,is related to the Red River delta and has obviously again resulted from the uplift of the Tibetan Plateau. On the other hand, the Plateau's uplift may be the cause or one of the causes of the Cenozoic global cooling and the onset of the Asian monsoon system,as well as the remarkable changes in chemical composition and sedimentation rate of the global ocean. All the above discussions are based on discoveries by the DSDP/ODP drillings.Therefore,a research endeavor combining the Tibetan Plateau investigations with the Ocean Drilling Program will be most promisting in breaking through to reveal the mechanism behind the global environmental changes. |
| Keywords: | ODP Qinghai/Xizang Plateau Bengal Fan Global change Asian mon-Soon |
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