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Naming Stratigraphic Section of Zhenzhuchong Clay

November 29,2024

It is located in Zhenzhuchong, Ziliujing, Zigong. Zhenzhuchong Clay was named by geologists Tan Xichou and Li Chunyu in 1933 according to a suite of mudstone. Zhenzhuchong Clay, 15-48 m thick, is composed of yellowish grey siltstone, lithic quartzarenite with cross or wavy beddings in the lower part, and of vario-colored silty mudstone with feldspathic quartzarenite in the middle and upper parts, indicating the depositional environment shifted from the lakeshore to shallow lacustrine sedimentary formation.



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