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西藏佩枯错盆地第四纪湖相地层的厘定、划分和佩枯错群的建立

文章导航 > 地质通报 > 2008 > 27(7): 1035-1043

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朱大岗1,邵兆刚1,孟宪刚1,杨朝斌2,王津1,韩建恩1,余佳1,吕荣平1,王艳1. 西藏佩枯错盆地第四纪湖相地层的厘定、划分和佩枯错群的建立[J]. 地质通报, 2008, 27(7): 1035-1043.
引用本文: 朱大岗1,邵兆刚1,孟宪刚1,杨朝斌2,王津1,韩建恩1,余佳1,吕荣平1,王艳1. 西藏佩枯错盆地第四纪湖相地层的厘定、划分和佩枯错群的建立[J]. 地质通报, 2008, 27(7): 1035-1043.
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ZHU Da-gang1, SHAO Zhao-gang1, MENG Xian-gang1, YANG Chao-bin2, WANG Jin1, HAN Jian-en1, YU Jia1, Lü Rong-ping1, WANG Yan1. Redefinition and division of Quaternary lacustrine strata and establishment of the Paikü Co Group in the Paikü Co basin, Tibet, China[J]. Geological Bulletin of China, 2008, 27(7): 1035-1043.
Citation: ZHU Da-gang1, SHAO Zhao-gang1, MENG Xian-gang1, YANG Chao-bin2, WANG Jin1, HAN Jian-en1, YU Jia1, Lü Rong-ping1, WANG Yan1. Redefinition and division of Quaternary lacustrine strata and establishment of the Paikü Co Group in the Paikü Co basin, Tibet, China[J]. Geological Bulletin of China, 2008, 27(7): 1035-1043.
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西藏佩枯错盆地第四纪湖相地层的厘定、划分和佩枯错群的建立

  • 1. 中国地质科学院地质力学研究所,国土资源部新构造运动与地质灾害重点实验室,北京100081;2. 西藏国土资源厅,西藏 拉萨 850000

Redefinition and division of Quaternary lacustrine strata and establishment of the Paikü Co Group in the Paikü Co basin, Tibet, China

  • 1. Key Laboratory of Neotectonism and Geologic Hazard , Ministry of Land and Resources; Institute of Geomechanics,Chinese Academy of Geological Sciences, Beijing 100081, China;2.Land and Resources Department of the Xizang (Tibet) Autonomous Region, Lhasa, 850000, Tibet, China

    摘要
  • 通过对环西藏佩枯错的T1—T16湖积阶地中湖相沉积的野外地质调查和实测剖面，对分布于盆地内的第四纪早更新世—全新世湖相地层进行了详细的研究和划分，重新厘定了该区早更新世—全新世的岩石地层单元，确立了生物地层和年代地层序列。首次建立了青藏高原第四纪早更新世—全新世湖相地层单位——佩枯错群（QP），佩枯错群由第四系下更新统拉洋组（Qp1l）、中更新统茫家冻组（Qp2m）、上更新统帮荣组（Qp3b）和全新统罗马仁布组（Qhl）4个组组成。为青藏高原湖泊演化、气候变化、古地理变迁的研究，以及第四纪地层的划分与对比等提供了新资料。
    The Quaternary early Pleistocene-Holocene lacustrine strata in the Paikü Co basin, Tibet, were studied and divided intensively, the early Pleistocene-Holocene lithostratigraphic units were redefined and the biostratigraphic and chronostratigraphic sequences were determined through field geological survey and stratigraphic sections of lacustrine strata in lacustrine terraces T1-T16 around the Paikü Co basin. The Paikü Co Group—a Quaternary early Pleistocene-Holocene lacustrine stratigraphic unit—was established for the first time. This group consists of the lower Pleistocene Layang Formation, middle Pleistocene Mangjiadong Formation, upper Pleistocene Bangrong Formation and Holocene Luomarenbu Formation. This research provides new data for the study of lake evolution, climatic variations and paleogeographic changes, as well as the stratigraphic division and correlation of the Quaternary on the Qinghai-Tibet Plateau.
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刊出日期:  2008-07-15

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