Art

J-GLOBAL ID：202002263277051107   Reference number：20A2355886

U-Pb dating of granitic cobble (dropstone) recovered from inner slope of the Chile Trench (48°S): Constraint for its provenance

チリ海溝(48°S)の内側斜面から回収した花崗岩質コブル(ドロップストーン)のU-Pb年代測定:その起源に対する制約

Author (7)： Orihashi Yuji (Department of Earth and Environmental Sciences, Faculty of Science and Technology, Hirosaki University) ,  Anma Ryo (Graduate School of Technology, Industrial and Social Sciences, Tokushima, University) ,  Machida Shiki (Ocean Resources Research Center for Next Generation, Chiba Institute of Technology) ,  Sasaki Minoru (Department of Earth and Environmental Sciences, Faculty of Science and Technology, Hirosaki University) ,  Nakao Kaishi (Department of Earth and Environmental Sciences, Faculty of Science and Technology, Hirosaki University) ,  Takaku Yuichi (Insitute for Environmental Sciences) ,  Abe Natsue (R&D Center for Ocean Drilling Science, Japan Agency for Marine-Earth Science and Technology (JAMSTEC))
Material： Geochemical Journal  (Geochem J)
Volume： 54  Issue： 4  Page： 195-201(J-STAGE)  Publication year： 2020 
JST Material Number： S0495A  ISSN： 0016-7002  Document type： Article
Article type： 原著論文  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： *granite ,  gravel ,  *submarine sediment ,  *uranium-thorium-lead dating ,  zircon ,  ocean trench ,  Republic of Chile ,  South America ,  batholith ,  last glacial stage ,  supply source
Semi thesaurus term： *U-Pb zircon age ,  Patagonia ,  last glacial maximum

Author keywords (6)： dropstone ,  granitic cobble ,  U-Pb age ,  provenance ,  South Patagonia Batholith ,  Chile Trench

JST classification (3)： Dating  (DD01050W) ,  Dating related to geochemistry  (MC03011P) ,  Marine geology  (DE06000F)

Reference (24)：

• Aniya, M. (2013) Holocene glaciations of Hielo Patagonico (Patagonia Icefield), South America: A brief review. Geochem. J. 47, 97-105.
• Anma, R. and Orihashi, Y. (2013) Shallow-depth melt eduction due to ridge subduction: LA-ICPMS U-Pb igneous and detrital zircon ages from the Chile Triple Junction and the Taitao Peninsula, Chilean Patagonia. Geochem. J. 47, 149-165.
• Anma, R., Armstrong, R., Danhara, T., Orihashi, Y. and Iwano, H. (2006) Zircon sensitive high mass-revolution ion microprobe U-Pb and fission-track ages for gabbros and sheeted dykes of the Taitao ophiolite, Southern Chile, and their tectonic implications. Island Arc 15, 130-142.
• Cherniak, D. J. and Watson, E. B. (2001) Pb diffusion in zircon. Chem Geol. 172, 5-24.
• Hasemann, C., Bergmann, M., Kanzog, C., Lochthofen, N., Sauter, E., Schewe, I. and Soltwedel, T. (2013) Effects fo dropstone-induced habitat heterogeneity on Arctic deep-sea benthos with special reference to nematode communities. Mar. Bio. Res. 9, 229-245.

Terms in the title (10)： チリ ,  海溝 ,  内側 ,  斜面 ,  花崗岩 ,  質 ,  ドロップ ,  U-Pb年代 ,  起源 ,  制約