Zircon LA-ICP-MS U-Pb age of a tuff from the Akaiwa Formation of the Tetori Group in the Shiramine area, Ishikawa Prefecture, central Japan
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- Sakai Yusuke
- Graduate School of Science and Technology, Niigata University Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences Ono City Board of Education
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- Tsutsumi Yukiyasu
- National Museum of Nature and Science
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- Kusuhashi Nao
- Graduate School of Science and Engineering, Ehime University
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- Sonoda Teppei
- Fukui Prefectural Dinosaur Museum
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- Horie Kenji
- National Institute of Polar Research
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- Matsuoka Atsushi
- Faculty of Science, Niigata University
Bibliographic Information
- Other Title
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- 石川県白峰地域における手取層群赤岩層の凝灰岩から得られたジルコンLA-ICP-MS U-Pb年代
- イシカワケン ハクホウ チイキ ニ オケル テドリソウグン セキガンソウ ノ ギョウカイガン カラ エラレタ ジルコン LA-ICP-MS U-Pb ネンダイ
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Abstract
<p>The Tetori Group in the Shiramine area (Ishikawa Prefecture, central Japan) is subdivided into the Gomijima, Kuwajima, Akaiwa, and Kitadani formations (from bottom to top). A variety of animal and plant fossils have been reported from the Kuwajima, Akaiwa, and Kitadani formations, but the depositional ages are still poorly constrained. We obtained the first reliable zircon U-Pb age from the Akaiwa Formation of the Tetori Group in the Shiramine area using laser ablation inductively coupled plasma mass spectrometry. The dated sample was taken from the lower part of the Akaiwa Formation along the Osugidani River (Shiramine area), and its U-Pb age is 121.2±1.1 Ma (95% confidence interval).</p>
Journal
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- The Journal of the Geological Society of Japan
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The Journal of the Geological Society of Japan 125 (3), 255-260, 2019-03-15
The Geological Society of Japan
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Details 詳細情報について
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- CRID
- 1390001288145259904
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- NII Article ID
- 130007660926
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- NII Book ID
- AN00141768
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- ISSN
- 13499963
- 00167630
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- NDL BIB ID
- 029690425
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed
