Abstract
The article presents the materials that have been collected, processed and prepared for publication by the students participating in the international Sino-Russian scientific educational field expedition “Baikal as the world’s pearl, 2019” organized by Nanjing University and Irkutsk Research Technical University. For the purposes of the field studies, samples of the recent sediments of different genesis have been taken. The further office studies have been conducted using the laboratory equipment of the training research divisions of the School of Earth Sciences and Engineering, and the School of Environment, Nanjing University. As a result of the factual material processing, the comprehensiveness of the data has been evaluated, and the directions for further studies have been defined, which will allow to deepen and expand the scientific concepts of the history of the paleogeographic and climatic conditions of the West Transbaikalia sediments formation. The work has been conducted under the supervision of Professor R.M. Lobatskaya (Irkutsk National Research Technical University) on the Russian side, and Professors Wei Li and Zhouchuan Huang (Nanjing University) on the Chinese side.
Highlights
Lake Baikal which locates in Siberia is the oldest (25 Ma), deepest (1637 m) and largest (23000 km2) lake in the world
The Baikal region situates at the boundary between the Siberian plate and the outer Baikal plate
The Baikal Rift Zone which is the result of so many tectonic movements is the second largest continental rift in the world with a length of 2500 km. These specific geographical environment and tectonic background of the Baikal region have a great influence on the local deposition and weathering processes and formed a unique deposition mode and weathering environment
Summary
Lake Baikal which locates in Siberia is the oldest (25 Ma), deepest (1637 m) and largest (23000 km2) lake in the world. This research intend to analyze the sedimentary material’s relevant REE geochemistry feature in Baikal and referring former researches build a model which could explain the geological processes that are indicated by the REE evidences so we could use the evidences and the model to restore the deposition mode and weathering environment in Baikal during the corresponding geological historical period. The deposition rate in Baikal region is firstly considered and after comprehensive consideration, it was determined that the section will be sampled with 10~15 cm intervals between each sampling point.
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