U-Series Ages for Solitary Coral Species from the Middle Pleistocene Kunosan Formation in the Udo Hills, Shizuoka, Central Japan
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- Kitamura Akihisa
- Institute of Geosciences, Shizuoka University
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- Omura Akio
- Department of Earth Sciences, Kanazawa University
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- Tominaga Eiji
- Geosciences Research Laboratory
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- Kameo Koji
- Department of Earth Sciences, Chiba Universit.
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- Nara Masakazu
- Center for Marine Environmental Studies, Ehime University
Bibliographic Information
- Other Title
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- 静岡県有度丘陵に分布する中部更新統久能山層産の単体サンゴ化石のウラン系列年代
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Abstract
The middle Pleistocene Kunosan Formation is distributed in the Udo Hills (Shizuoka, central Japan) that was tectonically uplifted about 300m during the late Quaternary. The formation consists of about 200-m-thick of coarse-grained fan-delta deposits. The thorium-230 age of a species of solitary coral from the Kunosan Formation in the eastern Udo Hills (Muramatsu Gravel-Silt Member) is 176.5+3.7-3.6ka (error is 1σ). This radiometric age means that the Kunosan Formation was deposited during marine isotope stage 6.5. This interpretation is consistent with previously published chronologic information for the middle and upper Pleistocene in the Udo Hills.
Journal
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- The Quaternary Research (Daiyonki-Kenkyu)
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The Quaternary Research (Daiyonki-Kenkyu) 44 (3), 177-182, 2005
Japan Association for Quaternary Research
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Details 詳細情報について
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- CRID
- 1390282681473571840
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- NII Article ID
- 10016161067
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- NII Book ID
- AN0034136X
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- ISSN
- 18818129
- 04182642
- http://id.crossref.org/issn/04182642
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- NDL BIB ID
- 7390668
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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