| Occurrence of calcrete in the Phu Kradung Formation of the
Mesozoic Khorat Group, NE Thailand |
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| 关键词:Phu Kradung Formation Khorat Group Paleosol Calcrete Floodplain deposit |
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| 作者 | 单位 | E-mail | | Yu HORIUCHI | Graduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki 305-8572, Japan | hori-yu@geol.tsukuba.ac.jp | | Ken-ichiro HISADA | Graduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki 305-8572, Japan | | | Veerote DAORERK | Department of Geology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand | | | Suvapak IMSAMUT | Bureau of Minerals, Department of Mineral Resources, Rama VI Rd., Bangkok 10400, Thailand | | | Punya CHARUSIRI | Department of Geology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand | |
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| 摘要: |
| Occurrence of calcrete in the Phu Kradung Formation of theMesozoic Khorat Group, NE Thailand |
| The Phu Kradung Formation of the Mesozoic Khorat Group is deposited by meandering river system. Floodplain deposits in the Nong Bua Lamphu section, northeastern Thailand contain paleosols with abundant calcretes. Calcretes occur within about 60 horizons in the studied section. Occurrences of calcretes are related with traces of life, such as roots and burrows. Microstructures of calcretes are mixture of biogenic and non-biogenic origin. It is suggested that the calcrete formation in the Phu Kradung Formation was affected by abundant biological activity. |
| Yu HORIUCHI,Ken-ichiro HISADA,Veerote DAORERK,Suvapak IMSAMUT,Punya CHARUSIRI.2009.Occurrence of calcrete in the Phu Kradung Formation of theMesozoic Khorat Group, NE Thailand[J].Acta Geoscientica Sinica,30(S1):16-17. |
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