Sequence stratigraphy and organic matter preservation of the Miocene to Pliocene Tatsunokuchi Formation, Iwate, Northeast Japan
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- Yoshida Mamiko
- Graduate School of Science and Technology, Niigata University
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- Hoyanagi Koichi
- Department of Geology, Faculty of Science, Shinshu University
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- Kondo Haruka
- Department of Geology, Faculty of Science, Shinshu University
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- Inoue Hirobumi
- Former-Graduate School of Life and Environmental Sciences, University of Tsukuba
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- Oishi Masayuki
- Iwate Prefectural Museum
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- Yoshida Hiroo
- Iwate Prefectural Museum
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- Yanagisawa Yukio
- Geological Survey of Japan, AIST
Bibliographic Information
- Other Title
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- 中新統～鮮新統竜の口層のシーケンス層序と有機物保存
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Abstract
Sequence stratigraphic and organic matter analyses were carried out on the Miocene to Pliocene Ishibane, Tatsunokuchi and Motohata formations that occur in Kitakami City, Iwate, Northeast Japan. These formations consist of nine facies and a depositional sequence that formed during a rise and fall of sea level. The proportions of vitrinite and cutinite are high in fluvial deposits of the lowstand systems tract. The total organic carbon content and the proportion of NFA (non-fluorescent amorphous kerogen) increase with transgression, because the sedimentary environment changed into an estuary with bottom anoxia. The proportions of vitrinite and cutinite increase in the highstand systems tract. These phenomena indicate the strong influence of river discharge.
Journal
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- Journal of the Sedimentological Society of Japan
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Journal of the Sedimentological Society of Japan 64 21-26, 2007
The Sedimentological Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205219909120
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- NII Article ID
- 130004543379
- 40015522491
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- NII Book ID
- AA11155966
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- ISSN
- 18829457
- 1342310X
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- NDL BIB ID
- 8849810
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed
