The Cenozoic strata developed within and around the Tibetan Plateau, contain fruitful information on the tectonic evolution, paleoenvironment and paleoclimate changes. It's very significant on revealing the history of the uplift and deformation of the Tibetan Plateau and its relevant effects on the regional and even global environment and climate. This data set contains several well developed sections, which have been identified by the systematic geological survey. Depending on the tools (e.g. GPS, geological compass) in the fieldwork, we have finished the geological measurements and descriptions of these sections as well as the relevant geological maps. It includes a 90-m loess deposit of the Duikang section in the Linxia basin, several fluvial and lacustrine deposits (such as the 1890-m Dayu section in the Lunpola basin, the 300-m Shuanghe section in the Jianchuan basin, the 252-m Caijiachong section in the Qujing basin) and a 932-m saline lacustrine deposit with gypsolyte of the Jiangcheng section in the Simao basin. This data set provides a solid geological foundation for the following researches on stratigraphic chronology, tectonic evolution, paleoenvironment and paleoclimate, and so forth.
FANG Xiaomin , FANG Xiaomin, YAN Maodu, ZHANG Weilin, ZHANG Dawen
This data is the relevant data of biogeochemistry and stable isotope geochemistry of Qaidam Basin. This set of data is mainly based on the research means of paleontology, sedimentary strata and biogeochemistry of typical sections to explore the sedimentary, climatic and biological response of Qaidam basin to the uplift of Qinghai Tibet Plateau in Cenozoic. The data of paleontological isotope and oxygen isotope of the Dachaigou basin are the main biomarkers for the study of Paleontology in the Dachaigou basin. The preliminary research processing results show that the data quality is high
YUAN Feng
Dating data of debris flow and dammed lake sediments in complex mountainous areas from 2019 to 2021. The data collection sites are complex mountainous areas prone to debris flow in the eastern and southern edges of the Qinghai Tibet Plateau. The experimental analysis is mainly completed in the salt lake chemical analysis and testing center of Qinghai Salt Lake Research Institute of Chinese Academy of Sciences and the analysis and testing center of Chengdu Mountain Institute of Chinese Academy of Sciences. The instruments used include RIS ø TL / OSL – Da – 20 automatic luminescence instrument, etc. The age data set of debris flow sediments in typical complex mountainous areas is established, the formation age of debris flow sediments in complex mountainous areas is quantitatively studied, and the ancient debris flow disaster activity history in complex mountainous areas is determined.
HU Guisheng
In the summer of 2019, the surface sediments of Nam Co, Wuru Co, Gren Co, Qiago Co, Dazz Co, Saibu Co, Gomang Co, Guomang Co, Bamu Co, Nurma Co, Nariping Co, Zhi Co, Jiang Co, Daru Co and Yueqia Co lakes in Nam Co and Siling Co area were collected by grab. The lake sediments were brought back to the laboratory and frozen, and then put into the freeze dryer for freeze drying, The freeze-dried samples were ground to powder by agate mortar, and then the samples were tested by XPert3 Powder X-ray diffraction method. Based on the analysis of Highscore Plus0 software, the content of each major mineral was obtained. The results show that the main minerals in this area are stalagmite, aragonite, calcite and illite.
MENG Xianqiang
Paleomagnetic Dataset of Zagros forelandbasin in IranPaleomagnetic Dataset of Zagros forelandbasin in IranPaleomagnetic Dataset of Zagros forelandbasin in IranPaleomagnetic Dataset of Zagros forelandbasin in IranPaleomagnetic Dataset of Zagros forelandbasin in IranPaleomagnetic Dataset of Zagros forelandbasin in Iran
SUN Jimin
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