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  1. 広島大学の刊行物
  2. Journal of science of the Hiroshima University. Series C, Earth and planetary sciences
  3. 10巻1号

P-t Path of Sediment Subduction-Underplating-Exhumation Process Related to the Formation of the Sambagawa Schists

https://doi.org/10.15027/53138
https://doi.org/10.15027/53138
09ebc9ba-313b-4721-b9d9-3b1eae652dcd
名前 / ファイル ライセンス アクション
JSHUCE_10-1_151.pdf JSHUCE_10-1_151.pdf (773.8 KB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル P-t Path of Sediment Subduction-Underplating-Exhumation Process Related to the Formation of the Sambagawa Schists
言語 en
作成者 SUZUKI, Yasuko

× SUZUKI, Yasuko

en SUZUKI, Yasuko

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HARA, Ikuo

× HARA, Ikuo

en HARA, Ikuo

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SHIOTA, Tsugio

× SHIOTA, Tsugio

en SHIOTA, Tsugio

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HAYASAKA, Yasutaka

× HAYASAKA, Yasutaka

en HAYASAKA, Yasutaka

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
内容記述
内容記述 The Valanginian accretionary complex and the Barremian accretionary complex of the Chichibu megaunit I of the Southern Chichibu belt in east Shikoku, which consist of prehnite-pumpellyite facies rocks and overlie the Albian accretionary complex of the Chichibu megaunit I and the Cenomanian-Turonian accretionary complex of the Shimanto megaunit, have been clarified by Hara et al. (1992) to be of the same age with reference to the subduction beginning age (youngest fossil age) as the Saruta nappe (I+II) schists and the Fuyunose nappe schists of the Sambagawa megaunit as high P/T type metamorphic rocks respectively. K-Ar ages of muscovites from the former two accretionary complexes, which are considered to have been roughly comparable with the exhumation beginning age, were determined in this paper to be 114 ± 6Ma and 108 ± 5Ma respectively. The exhumation beginning age appears to have been different by ca. 20Ma between the Chichibu megaunit I of subcretion depth of a few kilobars (less than 4kb) and the Sambagawa megaunit of subcretion depth of ca. 10kb with the same subduction beginning age. It would said that this is a rough estimate of P-t path of sediment subduction-underplating-exhumation process related to the formation of the Sambagawa megaunit.
言語 en
出版者
出版者 Hiroshima University
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.15027/53138
ID登録タイプ JaLC
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0075-4374
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AA11095875
開始ページ
開始ページ 151
書誌情報 Journal of science of the Hiroshima University. Series C, Earth and planetary sciences
Journal of science of the Hiroshima University. Series C, Earth and planetary sciences

巻 10, 号 1, p. 151-157, 発行日 1994-08-30
旧ID 53138
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