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Alkali feldspar granite clasts from Jurassic conglomerate, Murihiku Terrane, South Island, New Zealand
https://doi.org/10.18999/joueps.47.49
https://doi.org/10.18999/joueps.47.49bc5ddde0-4335-4cc8-9eb9-b8d8c9371243
名前 / ファイル | ライセンス | アクション |
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KJ00000037609.pdf (989.1 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2006-01-05 | |||||
タイトル | ||||||
タイトル | Alkali feldspar granite clasts from Jurassic conglomerate, Murihiku Terrane, South Island, New Zealand | |||||
言語 | en | |||||
著者 |
Noda, Atsushi
× Noda, Atsushi× Adachi, Mamoru× Tsuboi, Motohiro |
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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 | |||||
抄録 | ||||||
内容記述 | We newly discovered rift-related alkali feldspar granite clasts consisting of perthitic alkali feldspar, quartz, arfvedsonite and/or aegirine from Jurassic conglomerate beds in the Murihiku Terrane, New Zealand. The alkali feldspar granite clasts are rare (ca. 1-2% of total clasts) and occur together with various volcanic and plutonic clasts. This discovery provides a possible key to reconstruct paleogeographic and paleotectonic settings of the 'volcanic arc-related' Murihiku Terrane in the eastern margin of Gondwanaland. We describe here new occurrence, geochemical and geochronological data about alkali feldspar granite clasts. Their chemical features are characterized by 'A-type' granite such as high value of Nb, Ga, and Y and high ratio of Ga/Al. Geochronological results (156±8 Ma and 212±11 Ma) by K-Ar whole-rock dating method indicate that a possibility of two distinct batholiths existed as sources of the alkali feldspar granite clasts. The clast ages suggest a tectonic link between the Murihiku Terrane, the Median Batholith (Median Tectonic Zone) and West Antarctica. They are important clues to reveal the tectonics of the Mesozoic Gondwanaland margin. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | 国立情報学研究所で電子化したコンテンツを使用している。 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Dept. of Earth and Planetary Sciences, Nagoya University | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
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 | 10.18999/joueps.47.49 | |||||
ID登録タイプ | JaLC | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0919875X | |||||
書誌情報 |
en : The Journal of earth and planetary sciences, Nagoya University 巻 47, p. 49-62, 発行日 2000 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/2850 | |||||
識別子タイプ | HDL |