Diagenesis and metamorphism of organic and inorganic materials in the Paleogene sedimentary rocks of Amakusa, Kyushu
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- MIKI Takashi
- Department of Geology, Faculty of Science, Kyushu University
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- TAKAHASHI Ryohei
- Department of Geology, Faculty of Science, Kyushu University
Bibliographic Information
- Other Title
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- 有機・無機物質からみた天草古第三紀層の続成・変成作用
- ユウキ ムキ ブッシツ カラ ミタ アマクサ コ ダイ3キソウ ノ ゾクセイ
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Abstract
Through the examinations of diagenetic alteration of the Paleogene sedimentary rocks in Amakusa, western Kyushu, using coals, organic particles dispersed in rocks, clays and other minerals, we can point out here the following two features of the present area; namely the one is that the sediments are highly alterated under diagenesis and/or metamorphism compared with those in other coal fields in Kyushu, and the other is that the rank changes locally from the highest in the north region to the lowest in the central one. We regard that the former feature reflects a great amount of accumulation of sediments caused by tectonic subsidence of the basin floor, and the latter a tilting of the area toward the north after tectonic movement and a thermal influence related to igneous intrusions.
Journal
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- Chikyukagaku
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Chikyukagaku 14 (1), 1-6, 1980
The Geochemical Society of Japan
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Details 詳細情報について
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- CRID
- 1390282680719906048
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- NII Article ID
- 110008679700
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- NII Book ID
- AN00141280
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- ISSN
- 21885923
- 03864073
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- NDL BIB ID
- 2165258
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed