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2002 Fiscal Year Final Research Report Summary

Development of Highly Accurate Exploration System for Clarifying Fault Structures from Shallow to Deep Parts

Research Project

Project/Area Number 13555280
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section展開研究
Research Field 資源開発工学
Research InstitutionKumamoto University

Principal Investigator

KOIKE Katsuaki  Kumamoto Univ., Faculty of Engineering, Associate Professor, 工学部, 助教授 (80205294)

Co-Investigator(Kenkyū-buntansha) SATO Akira  Kumamoto Univ., Faculty of Engineering, Research Associate, 工学部, 助手 (40305008)
HAYASHI Yasuhiro  Kumamoto Univ., Faculty of Engineering, Research Associate, 工学部, 助手 (50274692)
OHMI Michito  Kumamoto Univ., Faculty of Engineering, Professor, 工学部, 教授 (30040405)
TAKAKURA Shinichi  The National Institute of Advanced Industrial Science and Technology, Geological Survey of Japan, Senior Researcher, 地圏資源環境研究部門, 主任研究官
Project Period (FY) 2001 – 2002
KeywordsFracture Zone / Fault Geometry / Resistivity / Magneto-Telluric Survey / Electric Sounding / Radon Prospecting / Two-dimensional Inversion / Satellite Image Analysis
Research Abstract

The purpose of this research project is to develop a highly accurate exploration system for clarifying fault structures from shallow to deep parts, by combining the four methods, satellite-image analysis, radioactive prospecting, electric resistivity sounding, and MT (m__-agnetot__-elluric) method. The main results are as follows.
1. By the combination of lineaments from satellite images and digital elevation model data, orientations and geometries of the significant faults which act as conduits for transport of hydrothermal fluids to the ground surface could be identified for the geothermal field in the middle Kyushu.
2. Three-dimensional resistivity distribution was clarified from 0 to 10-km depth by a combination of MT survey at lattice points, inversion analysis of apparent resistivity, and interpolation of the resistivity results. By applying it to the western side of Mt. Aso crater, two reservoirs were found along the fault in the elevation range -2000m to -3000m and estimated to be pillar shapes.
3. MT survey was applied to structural analysis of fracture zones in deep parts of the Futagawa fault, an active fault along the southern edge of Kumamoto plain. The resistivity distributions estimated by this inversion analysis show clearly the low resistivity zones smaller than 10 Ω-m at all the lines, which imply that the Futagawa fault is accompanied with largely fractured zones by repetitive tectonic events. These zones are found to be located from the 1- to 7-km depths with 200- to 1000-m widths.
4. The deep structures, which were estimated by the satellite-image analysis and MT survey, corresponded to the characteristics detected by the electric sounding and radon prospecting data.

  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] Katsuaki Koike, Kazuya Komorida, Yuichi Ichikawa: "Fracture-Distribution Modeling in Rock Mass Using Borehole Data and Geostatistical Simulation"Proceedings of International Association for Mathematical Geology Cancun 2001 Conference, Cancun, Mexico. (CD-ROM Press). (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Katsuaki Koike, Ryoichi Kouda, Toshiaki Ueki: "Characterizing Fracture Systems of Kyushu, Southwest Japan, through Satellite-Image Derived Lineaments Superimposed on Topographic and Lithologic Data"Bulletin of the Geological Survey of Japan. 52巻9号. 405-423 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 小池克明, 小森田和哉, 一川雄一: "岩盤亀裂群の3次元分布モデリングと透水性評価への応用"情報地質. 12巻2号. 84-85 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Katsuaki Koike, Kazuya Komorida, Yuichi Ichikawa: "Three-dimensional Modeling of Fracture-Distribution Using Borehole Data and Geostatistical Simulation"Proceedings of International Workshop on Intelligent Mining Systems, Fukuoka, Japan. 75-84 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 麻植久史, 田中宣行, 吉永 徹, 小池克明, 高倉伸一: "MT法による阿蘇山火口西側域の地熱貯留層分布解析"資源・素材学会春季大会講演集(I)資源編. 291-292 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 田中宣行, 麻植久史, 吉永徹, 小池克明, 大見美智人, 高倉伸一: "MT法による布田川断層帯深部の破砕構造解析"資源・素材学会九州支部平成14年度春季例会講演要旨集. 31-33 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 麻植久史, 小池克明, 高倉伸一: "MT探査データの1次元インバージョンとその3次元補間による比抵抗構造の特徴抽出"情報地質. 13巻・2号. 52-53 (2002)

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      「研究成果報告書概要(和文)」より
  • [Publications] 上堀内利道, 小池克明: "衛星画像とDEM陰影図との組み合わせによるリニアメント解析"情報地質. 13巻・2号. 64-65 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 麻植久史, 田中宣行, 吉永徹, 小池克明, 大見美智人, 高倉伸一: "MT法による阿蘇火口西側地域の3次元比抵抗分布解析"物理探査学会第107回学術講演会講演論文集. 170-173 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 小池克明, 麻植久史, 田中宣行, 吉永徹, 高倉伸一: "地磁気-地電流法による布田川断層の深部構造の推定"第11回熊本自然災害研究会研究発表会要旨集. 65-66 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 麻植久史, 田中宣行, 吉永徹, 小池克明, 大見美智人, 高倉伸一: "MT法による活断層深部の破砕構造"CA研究会2002年論文集. (印刷中). (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 栗原祐次, 吉永徹, 小池克明, 大見美智人: "ラドンと火山性ガスの組み合わせによる地熱貯留層のモニタリング"資源・素材学会九州支部平成14年度春季例会講演要旨集. 28-30 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Katsuaki Koike, Kazuya Komorida, and Yuichi Ichikawa: ""Fracture-Distribution Modeling in Rock Mass Using Borehole Data and Geostatistical Simulation""Proceedings of International Association for Mathematical Geology Cancun 2001 Conference, Cancun, Mexico. CD-ROM Press. (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Katsuaki Koike, Ryoichi Kouda, and Toshiaki Ueki: ""Characterizing Fracture Systems of Kyushu, Southwest Japan, through Satellite-Image Derived Lineaments Superimposed on Topographic and Litnologie Data""Bulletin of the Geological Survey of Japan. vol. 52, no. 9. 405-423 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Katsuaki Koike, Kazuya Komorida, and Yuiehi Ichikawa: ""Three-dimensional Distribution Modeling of Rock Fractures for Estimating Rock Mass Permeability""Geoinformatics. vol. 12, no. 2. 84-85 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Katsuaki Koike, Kazuya Komorida, and Yuichi Ichikawa: ""Three-dimensional Modeling of Fracture-Distribution Using Borehole Data and Geostatistical Simulation""Proceedings of International Workshop on Intelligent Mining Systems, Fukuoka, Japan. 75-84

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hisafumi Asaue, Nobuyuki Tanaka, Toru Yoshinaga, Katsuaki Koike, and Shinichi Takakura: ""Distribution Analysis of Geothermal Reservoir in the Western Side of Aso Crater, Southwestern Japan Using Magnetotelluric Survey""Proceedings of the Spring Meeting of the MMIJ (Sigen-Sozai Gakkai). 291-292 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hisafumi Asaue, Katsuaki Koike, and Shinichi Takakura: ""One-dimensional Inversion and Three-dimensional Interpolation of Magnetotelluric Survey Data for Characterizing Resistivity Structure""Geoinformatics. vol. 13, no. 2. 52-53 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Toshimichi Kamihoriuchi, and Katsuaki Koike: ""Lineament Analysis by Combination of Satellite Image and Shaded Relief Image of Digital Elevation Model""Geoinformatics. vol. 13, no. 2. 64-65 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hisafumi Asaue, Nobuyuki Tanaka, Toru Yoshinaga, Katsuaki Koike, Michito Ohmi, and Shinichi Takakura: ""Three-Dimensional Distribution Analysis of Resistivity in the Western Side of Mt. Aso, Southwest Japan Using Magnetotelluric Method""Proceedings of the 107th SEGJ (Society of Exploration Geophyacists of Japan) Conference. 170-173 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Katsuaki Koike, Hisafumi Asaue, Nobuyuki Tanaka, Toru Yoshinaga, and Shinichi Takakura: ""Structural Analysis of Fracture Zones in Deep Parts of the Futagawa Fault Using Magnetotelluric Survey""Proceedings of the Natural Disaster Society of Kumamoto 2002 Meeting. 65-66 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hisafumi Asaue, Nobuyuki Tanaka, Toru Yoshinaga, Katsuaki Koike, Michito Ohmi, and Shinichi Takakura: Proceedings of 2002 Conference of the Current Anomaly (CA) Society of Japan. (in press). (2003)

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      「研究成果報告書概要(欧文)」より

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Published: 2004-04-14  

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