Sandstone Bodies Distribution in Sequence Stratigraphic Framework of Jurassic Sangonghe Formation in Moxizhuang Area, Junggar Basin

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Authors

  • Zhiwen Li
     School of Geosciences and Info-Physics, Central South University, Hunan Changsha, 410083 ,CN
  • Jianhua Guo
     School of Geosciences and Info-Physics, Central South University, Hunan Changsha, 410083 ,CN
  • Zhen Zhang
     School of Geosciences and Info-Physics, Central South University, Hunan Changsha, 410083 ,CN

Keywords:

Junggar basin; Moxizhuang area; Sangonghe formation; sequence stratigraphic framework; system tract; sandstone bodies distribution.

Abstract

Based on Vail’s classical sequence stratigraphy theory, the sequence stratigraphy framework of Jurassic Sangonghe formation in Moxizhuang area is studied by using outcrop, logging and logging data. The first flooding surface (FFS) and the maximum flooding surface (MFS) at both sequence boundary and sequence interior are identified.The Sangonghe formation is divided into 2 third-order sequences to identify the low stand systems tract (LST), transgressive system tract (TST) and high stand systems tract (HST). Due to the mutual cutting and superimposition of multi-stage channel sand bodies, the connectivity of subaqueous distributary channel sand bodies in SQ2 sequence of Sangonghe Formation is good, especially in the sedimentary period of fan delta front in the LST of SQ2 sequence. JSQ1 sequence is mainly the development of meandering river point bar sand bodies; The sand bodies in the LST of JSQ2 sequence are mainly developed in the subaqueous distributary channel of the fan delta front. The HST of JSQ2 sequence is mainly the development of sand bodies in shallow lakes and bars. According to the development and evolution of sand bodies in the two sequences of the Sangonghe formation, places atwells Z101 - Z105, Z3 - Z5 and Z102 - Z103 are areas where sand bodies are developed intensively.

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Published

2022-10-20

How to Cite

Li, Z., Guo, J., & Zhang, Z. (2022). Sandstone Bodies Distribution in Sequence Stratigraphic Framework of Jurassic Sangonghe Formation in Moxizhuang Area, Junggar Basin. Journal of Mines, Metals and Fuels, 67(4), 221–226. Retrieved from https://informaticsjournals.com/index.php/jmmf/article/view/31545

Issue

Volume 67, Issue 4, April 2019

Section

Articles

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Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

 

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