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Deep Sourced Fluids for Peridotite Carbonation in the Shallow Mantle Wedge of a Fossil Subduction Zone: Sr and C Isotope Profiles of OmanDP Hole BT1B
https://doi.org/10.24517/00067023
https://doi.org/10.24517/00067023af6d8a78-4e3c-4d10-af69-b877b5bc2bbd
| 名前 / ファイル | ライセンス | アクション |
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SC-PR-USUI-Y-127-e2021JB022704.pdf (1.8 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2022-09-02 | |||||
| タイトル | ||||||
| タイトル | Deep Sourced Fluids for Peridotite Carbonation in the Shallow Mantle Wedge of a Fossil Subduction Zone: Sr and C Isotope Profiles of OmanDP Hole BT1B | |||||
| 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 | journal article | |||||
| ID登録 | ||||||
| ID登録 | 10.24517/00067023 | |||||
| ID登録タイプ | JaLC | |||||
| 著者 |
de Obeso, Juan Carlos
× de Obeso, Juan Carlos× Kelemen, Peter B.× Leong, James M.× Menzel, Manuel D.× Manning, Craig E.× Godard, Marguerite× Cai, Yue× Bolge, Louise× Oman Drilling Project Phase 1 Science Party× Usui, Yoichi |
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| 著者別表示 |
臼井, 洋一
× 臼井, 洋一 |
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| 提供者所属 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 金沢大学理工研究域地球社会基盤学系 | |||||
| 書誌情報 |
Journal of Geophysical Research: Solid Earth 巻 127, 号 1, p. e2021JB022704, 発行日 2022-01 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 2169-9356 | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 2169-9313 | |||||
| NCID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA10819743 | |||||
| DOI | ||||||
| 関連タイプ | isIdenticalTo | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1029/2021JB022704 | |||||
| 出版者 | ||||||
| 出版者 | American Geophysical Union / Wiley | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Completely carbonated peridotites represent a window to study reactions of carbon-rich fluids with mantle rocks. Here, we present details on the carbonation history of listvenites close to the basal thrust in the Samail ophiolite. We use samples from Oman Drilling Project Hole BT1B, which provides a continuous record of lithologic transitions, as well as outcrop samples from listvenites, metasediments, and metamafics below the basal thrust of the ophiolite. 87Sr/86Sr of listvenites and serpentinites, ranging from 0.7090 to 0.7145, are significantly more radiogenic than mantle values, Cretaceous seawater, and other peridotite hosted carbonates in Oman. The Hawasina sediments that underlie the ophiolite, on the other hand, show higher 87Sr/86Sr values of up to 0.7241. δ13C values of total carbon in the listvenites and serpentinites range from −10.6‰ to 1.92‰. We also identified a small organic carbon component with δ13C as low as −27‰. Based on these results, we propose that during subduction at temperatures above >400°C, carbon-rich fluids derived from decarbonation of the underlying sediments migrated updip and generated the radiogenic 87Sr/86Sr signature and the fractionated δ13C values of the serpentinites and listvenites in core BT1B. © 2021. American Geophysical Union. All Rights Reserved. | |||||
| 権利 | ||||||
| 権利情報 | Copyright ©2019. American Geophysical Union | |||||
| 著者版フラグ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
| 関連URI | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021JB022704 | |||||
| 関連名称 | https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021JB022704 | |||||
| 関連URI | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://agupubs.onlinelibrary.wiley.com/journal/21699356 | |||||
| 関連名称 | https://agupubs.onlinelibrary.wiley.com/journal/21699356 | |||||
| 関連URI | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://sites.agu.org/ | |||||
| 関連名称 | http://sites.agu.org/ | |||||
| 関連URI | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://www.wiley.com/en-gb | |||||
| 関連名称 | https://www.wiley.com/en-gb | |||||
