Establishment of paleo-environmental proxy based on micro -scale analyses in shallow-water carbonates

2008 Fiscal Year Final Research Report

• Project/Area Number: 18740331
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Stratigraphy/Paleontology
• Research Institution: Japan Agency for Marine-Earth Science and Technology
• Principal Investigator: SAKAI Saburo Japan Agency for Marine-Earth Science and Technology, 地球内部変動研究センター, 技術研究副主任 (90359175)
• Project Period (FY): 2006 – 2008
• Keywords: 浅海性炭酸塩堆積物 / 酸素同位体比 / 微量元素 / 古海洋

Research Abstract

サンゴ礁域の環境記録を直接記録していると予測されるサンゴ礁性堆積物に着目し,低マグネシウム方解石殻をもつ浮遊性有孔虫の酸素同位体比および微量元素の保存性を検討した結果,陸水性続成作用を被った炭酸塩岩中においても,殻内有機膜(POM)と呼ばれる初生の殻内部構造が保存され,浮遊性有孔虫殻の酸素同位体比およびMg/Caには初生値が保存されており,古環境指標として有効であることがわかった.

Research Products

• [Journal Article] シャコガイ殻の同位体比, 微量元素分析-シャコガイ殻は日単位の環境変動を記録しているのか- (2008)
  • Author(s): 渡邊 剛, 岨 康輝, 白井厚太朗, 石村豊穂, 坂井三郎, 横山一己, 角皆 潤, 佐野有司
  • Journal Title: 月刊地球 30 Pages: 316-321
  • Peer Reviewed
• [Journal Article] Age constraints of the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Intergrated Ocean Drilling Program Expedition 307 (2007)
  • Author(s): Kano, A., Ferdelman, T. M., Pierre Henriet, J., Ishikawa T., Kawagoe, N., Takashima, C., Kakizaki, Y., Abe K., Sakai, S., Browning E. L., Li, X., and IODP Exp. 307 Scientists
  • Journal Title: Geology 35 Pages: 1051-1054 : doi : 10.1130/G23917A.1
  • Peer Reviewed
• [Journal Article] Characterization of magnetic particles and magnetostratigraphic dating of shallow-water carbonates from the Ryukyu Islands, northwestern Pacific (2006)
  • Author(s): Sakai, S. and Jige, M.
  • Journal Title: The Island Arc 15 Pages: 468-475
  • Peer Reviewed
• [Journal Article] 第四系浅海性炭酸塩堆積物における酸素・炭素同位体比を用いた古海洋研究の可能性 (2006)
  • Author(s): 坂井三郎
  • Journal Title: 地球化学 40 Pages: 195-207
  • Peer Reviewed
• [Presentation] Sea-level rise in the Pleistocene sequence off Tahiti (French Polynesia) inferred from larger foraminiferal results : IODP 310, Tahiti Sea-level Expedition (2008)
  • Author(s): Fujita, K.
  • Organizer: 日本地球惑星科学連合2008年大会
  • Year and Date: 2008-05-25
• [Presentation] タヒチ島沖海底コアの大型有孔虫群集解析による更新世海面変動の復元 (2008)
  • Author(s): 藤田和彦
  • Organizer: 日本微化石研究集会
  • Place of Presentation: 北海道大学
  • Year and Date: 2008-03-04
• [Presentation] Origin, growth history and glacial-interglacial responses of a cold-water coral mound in NE Atlantic : Results from O-isotope and Sr isotope stratigraphy in IODP Expedition 307 (2007)
  • Author(s): Sakai, S.
  • Organizer: AGU Fall Meeting
  • Place of Presentation: San Franscisco
  • Year and Date: 2007-12-10
• [Presentation] Comparison of Meteorological adta and stable isotope time series from an Indonesian stalagmite (2007)
  • Author(s): Watanabe, Y.
  • Organizer: AGU Fall Meeting
  • Place of Presentation: San Franscisco
  • Year and Date: 2007-12-10
• [Presentation] Carbon and oxygen isotope compositions of a stalagmite from Ciawitali Cave, West Java, Indonesia (2007)
  • Author(s): Watanabe, Y.
  • Organizer: International Conference on Quaternary Environmental Changes and Humans in Asia and the Western Pacific
  • Place of Presentation: Tsukuba, Japan
  • Year and Date: 2007-11-17
• [Presentation] A paleoclimate study of Asian equatorial regions using Indonesian speleothems : an overview (2007)
  • Author(s): Tagami, T.
  • Organizer: International Conference on Quaternary Environmental Changes and Humans in Asia and the Western Pacific
  • Place of Presentation: Tsukuba, Japan
  • Year and Date: 2007-11-16
• [Presentation] Paleoenvironments of Unit 2 (Pleistocene sequence) inferred from larger foranimiferal results (2007)
  • Author(s): Fujita, K.
  • Organizer: IODP Expedition 310, the 2^<nd> Post Cruise Meeting
  • Place of Presentation: Tahiti
  • Year and Date: 2007-11-15
• [Presentation] 鍾乳石を用いた古気候解析-インドネシア・西ジャワの例- (2007)
  • Author(s): 渡邊裕美子
  • Organizer: 日本地球化学会
  • Place of Presentation: 岡山大学
  • Year and Date: 2007-09-19
• [Presentation] インドネシアの鍾乳石を用いた古気候変動解析 (2007)
  • Author(s): 渡邊裕美子
  • Organizer: 京都大学21世紀COEプログラム「活地球圏の変動解明」別府シンポジウム2007
  • Place of Presentation: 大分・別府
  • Year and Date: 2007-09-09
• [Presentation] 成長線解析と酸素同位体比分析に基づく海底洞窟に生息する"異常に大きな"二枚貝Glossocardia obesaの成長速度 (2007)
  • Author(s): 北村晃寿
  • Organizer: 日本古生物学会2007年大会
  • Place of Presentation: 大阪市立大学
  • Year and Date: 2007-06-29
• [Presentation] Perspectives in geochemical analyses and paleoceanography of Quaternary shallow-water carbonates -Example from the Ryukyu Group (2007)
  • Author(s): Sakai, S.
  • Organizer: The Ist International Workshop on the COREF Project
  • Place of Presentation: Okinawa-jima, Japan
  • Year and Date: 2007-01-17
• [Presentation] Micromilling technique applied to foraminifer tests for sample preparation of geochemical analysis (2006)
  • Author(s): Sakai, S.
  • Organizer: Abst. International Symposium on Foraminifers
  • Place of Presentation: Natal
  • Year and Date: 2006-10-11
• [Presentation] The oxygen isotope stratigraphy from IODP Expedition 307, Challenger Mound in the Porcupine Seabight off western Ireland (2006)
  • Author(s): Sakai, S.
  • Organizer: Abst. 17^<th> Int. Sed. Congress
  • Place of Presentation: Fukuoka
  • Year and Date: 2006-08-29
• [Remarks] 上記特許に関わる高精度マイクロミル装置の実用化による製品「GEOMILL326」のWebページ
  • URL: http://g326.com/
• [Patent(Industrial Property Rights)] マイクロミリングシステムの制御方法 (2008)
  • Inventor(s): 坂井三郎, 高安克己, D. L. Dettman
  • Industrial Property Rights Holder: 海洋研究開発機構, 島根大学
  • Industrial Property Number: 特許,特許第4203860号
  • Acquisition Date: 2008-10-24
• [Patent(Industrial Property Rights)] 粉粒体回収装置 (2007)
  • Inventor(s): 坂井三郎
  • Industrial Property Rights Holder: 海洋研究開発機構
  • Industrial Property Number: 特許,特願2007-146385
  • Filing Date: 2007-06-01