SEDIMENTARY CHARACTERISTICS OF ELITU FORMATION IN ZHENGXIANGBAI QI OF INNER MONGOLIA IDENTIFIED BY MARKOV CHAIN ANALYSIS

WANG Biao; SHI Li-zhi; RUAN Zhuang; CUI Xin-yu; LUO Li-yan

doi:10.13686/j.cnki.dzyzy.2023.01.003

2023 Vol. 32, No. 1

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Article navigation > Geology and Resources > 2023 > 32(1): 21-30

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WANG Biao, SHI Li-zhi, RUAN Zhuang, CUI Xin-yu, LUO Li-yan. SEDIMENTARY CHARACTERISTICS OF ELITU FORMATION IN ZHENGXIANGBAI QI OF INNER MONGOLIA IDENTIFIED BY MARKOV CHAIN ANALYSIS[J]. Geology and Resources, 2023, 32(1): 21-30. doi: 10.13686/j.cnki.dzyzy.2023.01.003

Citation:

WANG Biao, SHI Li-zhi, RUAN Zhuang, CUI Xin-yu, LUO Li-yan. SEDIMENTARY CHARACTERISTICS OF ELITU FORMATION IN ZHENGXIANGBAI QI OF INNER MONGOLIA IDENTIFIED BY MARKOV CHAIN ANALYSIS[J]. Geology and Resources, 2023, 32(1): 21-30. doi: 10.13686/j.cnki.dzyzy.2023.01.003

SEDIMENTARY CHARACTERISTICS OF ELITU FORMATION IN ZHENGXIANGBAI QI OF INNER MONGOLIA IDENTIFIED BY MARKOV CHAIN ANALYSIS

1.
Institute of Mineral Resources, CAGS, Beijing 100037, China
2.
Chinese Academy of Geological Sciences, Beijing 100037, China
3.
College of Geosciences and Resources, China University of Geosciences, Beijing 100083, China

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Corresponding author: SHI Li-zhi, 86547864@qq.com

Received Date: 08 February 2021

Revised Date: 04 March 2021

Publish Date: 25 February 2023

Abstract

Abstract

The lithologic characteristics of each layer of Elitu Formation are identified by field survey of geological section. The sedimentary cycles of the strata are studied by Markov chain analysis, and the sedimentary environment is further analyzed with the basic geological data. Two lithologic cycles characterized separately by sandstone-silty mudstone-siltstone-mudstone and sandstone-limestone-mudstone are identified, which represent the facies sequence of shallow sea continental shelf-deepwater turbidite and continental shelf shallow sea reef beach sediments respectively. Combined with the section, three facies including continental shelf, slope and basin(trough) can be further identified as several subfacies such as tidal flat beach, beach front slope, turbidite beach bar, beach, slope basin, gentle slope, deepwater trough and reef beach. Two transgression semi-cycles and one complete transgression-regression cycle can be recognized in the section. It is concluded that the final closure time of Paleo-Asian Ocean should be after the period of Elitu Formation.
- Elitu Formation /
- sedimentary environment /
- sedimentary cycle /
- Markov chain /
- Inner Mongolia

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References

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