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Late Cenozoic microbiostratigraphy and development of sedimentary basins in the Akita oil-fields.

Research Project

Project/Area Number 03640651
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Stratigraphy/Paleontology
Research InstitutionAkita University

Principal Investigator

MATOBA Yasumochi  Akita Univ, Mining College, Professor, 鉱山学部, 教授 (30006663)

Co-Investigator(Kenkyū-buntansha) SATO Tokiyuki  Akita Univ., Mining Coll., Assoc.Prof., 鉱山学部, 助教授 (60241668)
SHIRAISHI Tateo  Akita Univ., Fac. of Educ., Professor, 教育学部, 教授 (60006567)
Project Period (FY) 1991 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 1992: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1991: ¥1,400,000 (Direct Cost: ¥1,400,000)
KeywordsAkita oil field / Oga Peninsula / Late Cenozoic / Microbiostratigraphy / Onnagawa Formation / Funakawa Formation / Tentokuji Formation / Sasaoka Formation / 本荘 / 船川層 / 天徳寺層 / 笹岡層 / 大桑・満願寺動物群 / 上部新第三系
Research Abstract

The late Cenozoic stratigraphic scheme of the Akita oil field was established in 1928 and has long been accepted by many geologists until recently without great changes. It is a composit succession of formations of the Oga and the Akita City areas: the Onnagawa, Fumakawa, Tentokuji, and Sasaoka Formations in ascending order. Thus the correlation of strata between both areas is the fundamental of this scheme.
The Onnagawa and Funakawa Formations whose types are in the Oga Peninsula have been widely applied in the Akita oil fields. Diatom biostratigraphy was examined in the two formations in several areas in the Akita oil fields. The results demonstrate that the Onnagawa Formation distributed in the inland area, east side of the present Akita coast, is correlated with the lower to middle part of the same formation of Oga, and the Funakawa of the inland area with the upper part of the same formation of the Oga Peninsula.
The Tentokuji and Sasaoka Formations, with their types in the Akita City area, have long been correlated with the Kitaura and Wakimoto Formations of Oga. The studies on diatom, planktonic foraminifera, and calcareous nannofossil of the Tenntokuji and Sasaoka Formations from several inland areas revealed that the two formations can be correlated with the Funakawa Formation of the Oga Peninsula, not with the overlying Kitaura and Wakimoto Formations.
According to these results, the Akita oil fields can be structurally devided into major areas separated by a line along the present Akita coast, where runs the Kitayuri thrust system. The east side of the thrust was rapidly uplifted during the deposition of the Sasaoka Formation and finally emerged. In contrast, in the western side of the thrust including the Oga Peninsula, a marine basin continued to exist, and the thick bathyal Kitaura and Wakimoto Formations were deposited. These results may reqire a future revision of a traditional concept of the structural deveropment of the Akita oil fields.

Report

(3 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • Research Products

    (20 results)

All Other

All Publications (20 results)

  • [Publications] 白石 建雄ほか: "秋田・山形地域における新第三系の層序と古地理・古環境" 地質学論集. 37. 21-27 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 的場 保望: "東北本州日本海地域の後期新生代底生有孔虫群集の変遷" 地質学論集. 37. 39-51 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] MATOBA,Y. et al.: "Depth distrubution of Recent benthic foraminifera on the continental shelf and uppermost slope off southern Akita Prefecture,northeast Japan(the eastern Japan Sea)" Centenary of Japanese Micropaleontology,Ishizaki,K.& Saito,T.(eds.),Terra Scientific Publ.Co.,Tokyo. 207-226 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] SATO,T. et al.: "A stratigraphically significant new species of the calcareous nannofossil Reticulofenestra asanoi" Centenary of Japanese Micropaleontology,Ishizaki,K.& Saito,T.(eds.)Terra Scientific Publ.Co.,Tokyo. 457-460 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 的場 保望: "秋田油田新第三系・第四系層序に関する最近の変革" 石油技術協会誌. 57. 315-333 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 白石 建雄ほか: "男鹿半島の第四系・解説" 日本第四紀学会編「日本の第四紀層序資料集」,共立出版. (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Shiraishi, T. and Matoba, Y.:"Neogene paleogeography and paleoenvironment in Akita and Yamagata Prefecture, Japan Sea side of northeast Honshu, Japan." Mem. Geol. Soc. Japan. No. 37. 39-51 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Matoba, Y.: "Late Cenozoic benthic foraminiferal assemblages in the Japan Sea coastal region of northeast Honshu, Japan." Mem. Geol. Soc. Japan. No. 37. 125-138 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Matoba, Y. and Fukasawa, K.: "Depth distribution of Recent benthic foraminifera on the continental shelf and uppermost slope off southern Akita Prefecture, northeast Japan (the eastern Japan Sea)." Ishizaki,K. & Saito,T.(eds.), Centenary of Japanese Micropaleontology, Terra Sci. Publ. Co., Tokyo,. 207-226 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Sato, T. and Takayama, T.: "A stratigraphically significant new species of the calcareous nannofossil Reticulofenestra asanoi." Ishizaki,K. & Saito,T.(eds.), Centenary of Japanese Micropaleontology, Terra Sci. Publ. Co., Tokyo,. 457-460 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Matoba, Y.: "Recent advancement in late Cenozoic stratigraphy of the Akita oil fields." Jour, Japanese Assoc. Petrol. Technol.,. V.57, no. 4. 315-333 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Shiraishi, T., Matoba, Y. and Sato, T.:"Quaternary System in the Oga Peninsula: Commentary." Japan Assoc. Quaternary Res.(ed.), Quaternary Stratigraphic Data of Japan, Kyoritu Shuppan Co., Tokyo.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 白石 建雄ほか: "秋田県男鹿半島における西日本起源の漂流軽石・降下火山灰の発見とその意義" 第四紀研究. 31. 21-27 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 白石 建雄ほか: "秋田・山形地域における新第三系の層序と古地理・古環境" 地質学論集. 37. 39-51 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 的場 保望: "東北本州日本海地域の後期新生代底生有孔虫群集の変遷" 地質学論集. 37. 125-138 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Matoba, Y. et al.: "Depth distrubution of Recent benthic foraminifera on the continental shelf and uppermost slope off southern Akita Prefecture, northeast Japan (the eastern Japan Sea)" Centenary of Japanese Micropaleontology, Ishizaki,K.& Saito,T.(eds.), Terra Scientific Publ. Co., Tokyo. 207-226 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Sato, T. et al.: "A stratigraphically significant new species of the calcareous nannofossil Reticulofenestra asanoi" Centenary of Japanese Micropaleontology, Ishizaki,K.& Saito,T.(eds.), Terra Scientific Publ. Co., Tokyo. 457-460 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 的場 保望: "秋田油田新第三系・第四系層序に関する最近の変革" 石油技術協会誌. 57. 315-333 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 白石 建雄,的場 保望: "秋田・山形地域における新第三系の層序と古地理・古環境" 地質学論集. No.37. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] 的場 保望: "東北本州日本海地域の後期新生代底生有孔虫群集の変遷" 地質学論集. No.37. (1992)

    • Related Report
      1991 Annual Research Report

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Published: 1991-04-01   Modified: 2016-04-21  

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