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Eruption age of Kannabe volcano using multi-dating : Implications for age determination of young basaltic lava flow
http://hdl.handle.net/10098/10781
http://hdl.handle.net/10098/10781d81fb42f-e081-46dc-89c3-92ef873fb731
名前 / ファイル | ライセンス | アクション |
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bd10118649.pdf (990.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-11-22 | |||||
タイトル | ||||||
タイトル | Eruption age of Kannabe volcano using multi-dating : Implications for age determination of young basaltic lava flow | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | eruption age | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Kannabe volcano | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | multi-dating | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | OSL dating | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | paleomagnetic dating | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_1843 | |||||
資源タイプ | other | |||||
著者 |
Yorinao, Shitaoka
× Yorinao, Shitaoka× Takeshi, Saito× Junji, Yamamoto× Masaya, Miyoshi× Hidemi, Ishibashi× Tsutomu, Soda |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We estimated the eruption age of Kannabe volcano, located in southwestern Japan. Alt-hough the eruption age had been estimated using tephrochronology and K-Ar dating, the precision of its age determination left some room for improvement. The latest eruption age of Kannabe volcano is well constrained by wide spread tephras to ca. 7.2–30 ka. We applied paleomagnetic dating to a ba-saltic lava and optically stimulated luminescence (OSL) dating to a soil layer, which are associated with the Kannabe volcano. The soil layer above the Kannabe scoria was newly dated to be 21 ± 6 ka, as inferred from OSL dating. We also made paleomagnetic investigation to estimate the eruption age of the Kannabe basaltic lava. Paleomagnetic data of 23 rock samples from six locations in the Kanna-be basaltic lava showed good mutual agreement. The average of remanent magnetizations yields dec-lination of 0.3° and inclination of 65.9° with 95% confidence limit of 2.7°. This paleomagnetic direc-tion with a relatively steep inclination is thought to be correlated with the paleomagnetic secular vari-ation data of sediments in Lake Biwa at ca. 21.5 ka. Based on that information from multi-dating, we inferred that the Kannabe volcano erupted at ca. 22 ka. This result presents profound scientific impli-cations for the precise age determination of young basaltic lava flow, for which few dating methods exist. | |||||
書誌情報 |
Geochronometria 巻 46, 号 1, p. 49-56, 発行日 2019-04 |
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出版者 | ||||||
出版者 | De Gruyter company | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18971695 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 17338387 | |||||
書誌レコードID | ||||||
識別子タイプ | NCID | |||||
関連識別子 | TD10118649 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1515/geochr-2015-0108 | |||||
著者版フラグ | ||||||
出版タイプ | AO | |||||
出版タイプResource | http://purl.org/coar/version/c_b1a7d7d4d402bcce |