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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 Pleistocene-Holocene lacustrine strata distributed in the basin have been studied in detail by the field geological survey and the measured section of the lithofacies of the T1-T16 lacustrine deposits in the Permian fault of the Central Tibet Division, re-determined the area early Pleistocene - Holocene rock stratigraphic unit, established the biological strata and chronostratigraphic sequence. For the first time, the Quaternary Pleistocene-Holocene lacustrine formation unit (QP) was established in the Qinghai-Tibet Plateau. The Qibu fault group consists of Quaternary Lower Pleistocene (Qp1l), Middle Pleistocene Qp2m, Qp3b and Qhl. It provides new information for the study of the evolution of the lakes in the Tibetan Plateau, climate change, palaeogeographic changes and the division and contrast of Quaternary strata.