Reexamination of CHIME ages measured on rocks from orogenic belts in the Japanese Islands and the eastern margin of Asian Continent

2008 Fiscal Year Final Research Report

• Project/Area Number: 19340149
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Geology
• Research Institution: Nagoya University
• Principal Investigator: SUZUKI Kazuhiro Nagoya University, 年代測定総合研究センター, 教授 (90111624)
• Co-Investigator(Kenkyū-buntansha): MINAMI Masayo 名古屋大学, 年代測定総合研究センター, 准教授 (90324392) ; KATO Takenori 名古屋大学, 年代測定総合研究センター, 助教 (90293688)
• Project Period (FY): 2007 – 2008
• Keywords: 地殻 / CHIME年代測定 / 造山帯 / 地質年代

Research Abstract

・電子プローブマイクロアナライザを高性能・高機能化して分析値の精度と確度を高めた.
・トリウムやウランを含む鉱物のコンコーダントな分析値を選別する化学的基準を確立して、CHIME年代の確度を高くした.
・氷上花簡岩、領家帯ミグマタイト、肥後変成岩、韓国京畿地塊の準片麻岩、中国南東部の花商岩類、中国吉林省の東清花簡岩のCHIME年代を再検討して、地質学的推定年代や同位体年代との矛盾を解明した.矛盾の原因は肥後変成岩と東清花商岩では同位体年代、氷上花商岩と京畿地塊では地質学的解釈、領家帯ミグマタイトと中国南東部花商岩ではCHIME年代にあった.

Research Products

• [Journal Article] CHIMEの現状と稼働状況(2008年度) (2009)
  • Author(s): 加藤丈典、鈴木和博
  • Journal Title: 名古屋大学加速器質量分析計業績報告書 XX Pages: 31-37
• [Journal Article] CHIME dating of monazite from the Dongqing pluton in SE Jilin, China (2008)
  • Author(s): Sun, D-.Y, Suzkuki, K, Kajizuka, I., Kamikubo, H, Lu, X-.P, Wu, F-.Y
  • Journal Title: Jour.l of Earth Planet. Sci. Nagoya Univ. 55 Pages: 23-37
  • Peer Reviewed
• [Journal Article] CHIME dating of monazite, xenotime, zircon and polycrase : protocol, pitfalls and chemical criterion of possibly discordant age data (2008)
  • Author(s): Suzuki, K, Kato, T.
  • Journal Title: Gondwana Research 14 Pages: 569-586
  • Peer Reviewed
• [Journal Article] Differences in age estimates between isotopic chronometers : the timing of granulite metamorphism in the Higo Complex of southwestern Japan (2008)
  • Author(s): Dunkley, D. J, Suzuki, K, Hokada, T, Kusiak, M. A
  • Journal Title: Gondwana Research 14 Pages: 624-643
  • Peer Reviewed
• [Journal Article] EPMA and PIXE dating of monazite in granulites from Gieraltw, NE Bohemian Massif, Poland (2008)
  • Author(s): Kusiak, K.A, Suzuki, K, Dunkley, D.J, Lekki, JBakun-Czubarow, N, Paszkowski, M. Budzy, B
  • Journal Title: Gondwana Research 14 Pages: 674-685
  • Peer Reviewed
• [Journal Article] Petrology and CHIME geochronology of Pan-African high K and Sr/Y granitoids in the Nkambe area, Cameroon (2008)
  • Author(s): Tetsopgan, S, Suzuki K, Njonfang, E
  • Journal Title: Gondwana Research 14 Pages: 686-699
  • Peer Reviewed
• [Journal Article] Strontium isotope analysis using resonance ionization mass spectrometry for determination of bone origin (2008)
  • Author(s): Sasada, S, Watanabe, K, Higuchi, Y, Tomita, H, Goto, A, Minami, M, Suzuki, K, Kato, T, Hasegawa, T, Kawarabayashi, J, Iguchi, T
  • Journal Title: Journal of Nuclear Science and Technology Supplement 5 Pages: 97-100
  • Peer Reviewed
• [Journal Article] Reexamination of CHIME monazite ages for granitic samples from Wugongshan and Huangshan, southeastern China, Jour (2007)
  • Author(s): Suzuki, K, Kajizuka, I., Wang, D.Z, Suwa, K
  • Journal Title: Earth and Planet. Sci. Nagoya Univ 54 Pages: 1-12
  • Peer Reviewed
• [Journal Article] Diverse microstructures from Archaean chert from the mount goldsworthy-mount grant area, Pilbara craton, western Australia : Microfossils, dubiofossils, or pseudofossils? (2007)
  • Author(s): Sugitani, K, Grey, K, Allwood, A, Nagaoka, T, Mimura, K, Minami, M, Marshall, C.P, Van Kranendonk, M.J, Walter, M.P
  • Journal Title: Precambrian Research 158 Pages: 228-262
  • Peer Reviewed
• [Journal Article] CHIME zircon age of the Gamaksan alkaline meta-granitoid in the northwestern margin of the Gyeonggi massif, Korea, and its tectonic implications (2007)
  • Author(s): Cho, D-L, Lee, S.R, Suzuki, K
  • Journal Title: Jour. Petrol. Soc. Korea 16 Pages: 180-188
  • Peer Reviewed
• [Journal Article] CHIME monazite ages of Jurassic foliated granites in the vicinity of the Gangjin area, Korea (2007)
  • Author(s): Cho, D-L, Kee, W-S, Suzuki, K
  • Journal Title: Jour. Petrol. Soc. Korea 16 Pages: 101-115
  • Peer Reviewed
• [Journal Article] CHIME ages of Precambrian rocks from the Goseong-Ganseong area, northeastern part of the Gyeonggi massif, and their implications. Korea (2007)
  • Author(s): Cho, D-L, Suzuki, K, Chwae, U, Adachi, M
  • Journal Title: Jour. Petrol. Soc. Korea 16 Pages: 1-11
  • Peer Reviewed
• [Journal Article] CHIME monazite ages of metasediments from the Altai orogen in northwestern China : Devonian and Permian ages of metamorphism and their significance (2007)
  • Author(s): Zheng, C, Kato T, Enami, M, Xu, X.
  • Journal Title: Island Arc 16 Pages: 598-604
  • Peer Reviewed
• [Journal Article] Permian CHIME ages of monazites of the kyanite-sillimanite type metamorphic belt in Chonghuer area, Altai, Xinjiang and their geological implication (2007)
  • Author(s): Zheng, C.-Q, XU X.-C, Kato, T, Enami, M
  • Journal Title: Geological Journal of China Universities 13 Pages: 556-573
  • Peer Reviewed
• [Journal Article] Monte Carlo study of quantitative electron probe microanalysis of monazite with a coating film : comparison of 25 nm carbon and 10 nm gold at E_0 = 15 and 25keV (2007)
  • Author(s): Kato, T
  • Journal Title: Geostandards and Geoanalytical Research 31 Pages: 89-94
  • Peer Reviewed
• [Journal Article] Mesoproterozoic AMCG granitoids in the Mazury complex, NE Poland - a geochronological update (2007)
  • Author(s): Wiszniewska, J, Kusuak, M.A, Kzeminska, E, Dorr, W, Suzuki, K
  • Journal Title: In : A. Koztowski, J. Wiszniewska (eds) Granitoids in Poland, AM Monograph vol. 1 Pages: 31-39
  • Peer Reviewed
• [Presentation] CHIME年代測定における鉛のバックグラウンド測定法の検討 (2008)
  • Author(s): 加藤丈典、鈴木和博
  • Organizer: 日本地質学会第115年学術大会
  • Place of Presentation: 秋田大学
  • Year and Date: 20080000
• [Presentation] CHIME dating and age mapping of monazite in granulites and paragneisses from the Hwacheon area, Korea (2008)
  • Author(s): Suzuki, K
  • Organizer: AOGS 5^<th> Annual meeting
  • Place of Presentation: Busan
  • Year and Date: 20080000
• [Presentation] CHIME dating and age mapping of monazite from the Dongqing pluton in SE Jilin, China (2008)
  • Author(s): Suzuki, K, Sun, D.Y, Lu, X.P, Wu, F.Y
  • Organizer: Workshop of Geology and Mineral Resources in northeastern Asia
  • Place of Presentation: Jilin University, Changchun
  • Year and Date: 20080000
• [Presentation] CHIME dating of monazite in metamorphic rocks from the Hwacheon area, central Korea (2008)
  • Author(s): Suzuki, K
  • Organizer: Open research Center of Okayama University of Science International Symposium on Material Science and History of Earth and Sister Planets
  • Place of Presentation: Okayama
  • Year and Date: 20080000
• [Presentation] Do strontium isotope ratios of animal bone and teeth really reflect the isotope ratios of its provenance geology? (2007)
  • Author(s): Minami, M, Goto, A, Suzuki, K, Kato, T, Watanabe, K and Hasegawa T
  • Organizer: 2007 Fall meeting of American Geophygical Union
  • Place of Presentation: San Francisco
  • Year and Date: 20070000
• [Presentation] Protocol and pitfalls of CHIME dating (2007)
  • Author(s): Suzuki, K
  • Organizer: International Symposium on Radiometric Dating Studies-Frontier of Technical developments and Applications of CHIME and AMS ^<14>C Dating Methods-
  • Place of Presentation: Nagoya University
  • Year and Date: 20070000