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- Title
The Role of Modern Alkaline Lakes in Explaining the Sedimentary Environment of the Fengcheng Formation, Mahu Depression.
- Authors
WANG LiBao; HOU GangFu; BIAN BaoLi; LI YaZhe; DOU Yang; YOU XinCai; GUO HuaJun; XU Yang; ZOU ZhiWen
- Abstract
The sedimentary characteristics of modern alkaline lakes and major alkaline deposits were systematically examined as a means of investigating the sedimentary environment of the lower Permian Fengcheng Formation in the Mahu Depression, then compared with the sedimentary characteristics of the formation. The results showed that the formation had its origins in a large alkaline lake basin with properties similar to those of typical modern alkaline lakes in various parts of the world, that is, having similar authigenic minerals, sedimentary assemblages and evolutionary processes. The Fengcheng Formation was a closed basin structure formed in a semi-arid climatic environment. The alkali-bearing strata, which were generally formed in shallow water, are the products of evaporation and concentration of carbonated lake water, with dark, fine-grained interbeds in the alkaline layer.
- Publication
Acta Sedimentologica Sinica, 2020, Vol 38, Issue 5, p913
- ISSN
1000-0550
- Publication type
Article
- DOI
10.14027/j.issn.1000-0550.2020.021