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Development of the technique for the assessment of fault activity using the formation age of clay minerals in fault rocks

Research Project

Project/Area Number 17K01326
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Natural disaster / Disaster prevention science
Research InstitutionUniversity of Yamanashi

Principal Investigator

Fukuchi Tatsuro  山梨大学, 大学院総合研究部, 教授 (90212183)

Project Period (FY) 2017-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords活断層 / 糸魚川-静岡構造線 / 断層ガウジ / モンモリロナイト / カリ長石 / アンモニアラジカル / 熱水反応 / ESR年代測定 / 粘土鉱物 / ESR / スメクタイト / フェリ磁性鉱物 / FMR
Outline of Final Research Achievements

This study aims to develop a technique for the assessment of fault activity using the formation age of clay minerals in fault rocks. Experimental samples were collected from the Hakushu Fault, a part of the Itoigawa-Shizuoka Tectonic Line active fault system. ESR (electron spin resonance) and XRD (X-ray diffraction) analyses were carried out on the fault rocks, along with hydrothermal reaction experiments. The results show that the Mo quartet signals detected from smectite or thermally altered K-feldspar are attributed to the NH3+ radical. Hydrothermal reactions involving NH4+ ions may lead to the substitution of K+ and Na+ ions in smectite and K-feldspar with NH4+ ions, and natural radiation results in the knock-on of H atoms in NH4+ ions, leading to the generation of the NH3+ radical, that is, the Mo quartet signals. The Mo quartet signals are applicable not only to the ages of hydrothermal reactions associated with faulting, but also to the formation ages of clay minerals.

Academic Significance and Societal Importance of the Research Achievements

原子力発電所直下に位置する断層の活動性評価は,日本のエネルギー政策を左右する重要な課題であるが,上載層が存在しない断層については活動性評価のための有効な手段が見当たらず,困難を極めている。断層活動性評価法の一つとして知られているESR年代測定法で最新活動年代を求めようとする場合,ESR信号のリセットが実現する地下深部から試料を採取しなければならないが,深部ボーリング掘削はコストが掛かり容易には実施できない。本研究手法では,地表の断層露頭から採取した断層岩試料をそのまま用いることができるので,コストを掛けずに活動性評価が実施できるのが利点である。

Report

(7 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (23 results)

All 2023 2022 2021 2020 2019 2018 2017 Other

All Journal Article (18 results) (of which Peer Reviewed: 7 results,  Open Access: 12 results) Presentation (3 results) (of which Int'l Joint Research: 1 results) Remarks (2 results)

  • [Journal Article] Gamma-irradiation effect on radical centers derived from hydrothermally altered potassium feldspar and its application to fault dating2023

    • Author(s)
      Tatsuro Fukuchi
    • Journal Title

      QST Takasaki Annual Report

      Volume: 2021 Pages: 67-67

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 山梨県で発生する地震の特性2023

    • Author(s)
      福地龍郎・窪田有記
    • Journal Title

      山梨大学教育学部紀要

      Volume: 33 Pages: 119-138

    • Related Report
      2022 Annual Research Report
    • Open Access
  • [Journal Article] 熱水変質鉱物起源のESR信号のガンマ線照射効果と断層年代測定 への応用2023

    • Author(s)
      福地龍郎
    • Journal Title

      2022年度日本原子力研究開発機構・量子科学技術研究開発機構施設利用共同研究一般共同研究成果報告書

      Volume: 22015 Pages: 1-4

    • Related Report
      2022 Annual Research Report
    • Open Access
  • [Journal Article] Gamma-irradiation effect on ESR signals derived from hydrothermally altered minerals and its application to fault dating2022

    • Author(s)
      Tatsuro Fukuchi
    • Journal Title

      QST Takasaki Annual Report

      Volume: 2020 Pages: 66-66

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 横ずれ断層における各種物理探査の適用可能性の検討(その2; S波極浅層反射法探査および比抵抗2次元探査)ー郷村断層帯および山田断層帯における事例ー2022

    • Author(s)
      坂下 晋・岡田真介・今井幹浩・今泉俊文・岡田篤正・中村教博・福地龍郎・楮原京子・城森 明・戸田 茂・松多信尚・山口 覚・松原由和・山本正人・外處 仁
    • Journal Title

      物理探査

      Volume: 75 Pages: 1-20

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] 熱水生成鉱物起源ESR信号のガンマ線照射効果と断層活動年代測定への応用その32022

    • Author(s)
      福地龍郎
    • Journal Title

      2021年度量子科学技術研究開発機構施設利用共同研究一般共同研究成果報告書

      Volume: 21006 Pages: 1-4

    • Related Report
      2021 Research-status Report
    • Open Access
  • [Journal Article] Absolute dating of active faults and the assessment of fault activity using ESR dating method: The case of the Itoigawa–Shizuoka Tectonic Line Active Fault System2021

    • Author(s)
      福地 龍郎
    • Journal Title

      RADIOISOTOPES

      Volume: 70 Issue: 3 Pages: 131-145

    • DOI

      10.3769/radioisotopes.70.131

    • NAID

      130007998328

    • ISSN
      0033-8303, 1884-4111
    • Year and Date
      2021-03-15
    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 糸魚川-静岡構造線活断層系沿いで発生する地震の特性2021

    • Author(s)
      福地 龍郎
    • Journal Title

      山梨大学教育学部紀要

      Volume: 31 Pages: 137-154

    • NAID

      120007004257

    • Related Report
      2020 Research-status Report
    • Open Access
  • [Journal Article] Gamma-irradiation effect on ESR signals derived from hydrothermal minerals and its application to fault dating2021

    • Author(s)
      Tatsuro Fukuchi
    • Journal Title

      QST Takasaki Annual Report

      Volume: 2019 Pages: 77-77

    • Related Report
      2020 Research-status Report
    • Open Access
  • [Journal Article] 熱水生成鉱物起源ESR信号のガンマ線照射効果と断層年代測定への応用その22021

    • Author(s)
      福地 龍郎
    • Journal Title

      2020年度量子科学技術研究開発機構施設利用共同研究一般共同研究成果報告書

      Volume: 20008 Pages: 1-4

    • Related Report
      2020 Research-status Report
    • Open Access
  • [Journal Article] 甲府盆地の形成過程に関する一考察2020

    • Author(s)
      福地 龍郎
    • Journal Title

      山梨大学教育学部紀要

      Volume: 30 Pages: 103-119

    • NAID

      120006824674

    • Related Report
      2019 Research-status Report
    • Open Access
  • [Journal Article] Dating of the Yamada fault distributed on Tango Peninsula using radiation defect radical centers Part 22020

    • Author(s)
      Tatsuro Fukuchi
    • Journal Title

      QST Takasaki Annual Report

      Volume: 2018 Pages: 112-112

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 熱水生成鉱物起源ESR信号のガンマ線照射効果と断層年代測定への応用その12020

    • Author(s)
      福地 龍郎
    • Journal Title

      2019年度日本原子力研究開発機構・量子科学技術研究開発機構施設利用共同研究一般共同研究成果報告書

      Volume: 19009 Pages: 1-4

    • Related Report
      2019 Research-status Report
    • Open Access
  • [Journal Article] 山梨県産雨畑硯原石は粘板岩か?2019

    • Author(s)
      福地 龍郎・遠藤 大都・窪川 智識
    • Journal Title

      山梨大学教育学部紀要

      Volume: 29 Pages: 39-46

    • NAID

      40021825065

    • Related Report
      2018 Research-status Report
  • [Journal Article] ESR dating of the Yamada fault distributed on Tango Peninsula using radiation defect radical centers2019

    • Author(s)
      Tatsuro Fukuchi
    • Journal Title

      QST Takasaki Annual Report

      Volume: 2017 Pages: 142-142

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] The study of applicability of the geophysical exploration methods for the strike-slip fault (part 1; shallow P-wave seismic reflection and refraction survey, CSAMT survey, and gravity survey) : the case study of the Go-mura fault zone and Yamada fault zone2018

    • Author(s)
      岡田 真介・坂下 晋・今泉 俊文・岡田 篤正・中村 教博・福地 龍郎・松多 信尚・楮原 京子・戸田 茂・山口 覚・松原 由和・山本 正人・外處 仁・今井 幹浩・城森 明
    • Journal Title

      BUTSURI-TANSA(Geophysical Exploration)

      Volume: 71 Issue: 0 Pages: 103-125

    • DOI

      10.3124/segj.71.103

    • NAID

      130007553350

    • ISSN
      0912-7984, 1881-4824
    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] 日本アルプス及び周辺地域の活断層分布と地震活動変化2018

    • Author(s)
      福地龍郎・早川綾子
    • Journal Title

      山梨大学教育学部紀要

      Volume: 第26号 Pages: 133-145

    • NAID

      40021668433

    • Related Report
      2017 Research-status Report
  • [Journal Article] 糸魚川-静岡構造線活断層系沿いに分布する地震空白域について2018

    • Author(s)
      福地龍郎・早川綾子
    • Journal Title

      山梨大学教育学部紀要

      Volume: 第27号 Pages: 75-87

    • NAID

      40021625791

    • Related Report
      2017 Research-status Report
  • [Presentation] 糸魚川-静岡構造線活断層系沿いに分布する地震空白域について2018

    • Author(s)
      福地 龍郎・早川 綾子
    • Organizer
      日本地質学会中部支部2018年支部年会
    • Related Report
      2018 Research-status Report
  • [Presentation] 山梨県産雨畑硯の原石は粘板岩か?2018

    • Author(s)
      遠藤 大都・窪川 智識・福地 龍郎
    • Organizer
      日本地質学会中部支部2018年支部年会
    • Related Report
      2018 Research-status Report
  • [Presentation] ESR technique for the assessment of fault activity; an approach from frictional tests using the Asano fault gouge collected by a trenching survey2017

    • Author(s)
      T. Fukuchi, C. Miyakawa, A. Hayakawa, A. Tsutsumi, R. Nakano, Y. Namiki, H. Iida
    • Organizer
      JpGu-AGU Joint Meeting 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Remarks] 糸魚川-静岡構造線の研究

    • URL

      http://www.ccn.yamanashi.ac.jp/~tfukuchi/sub3.htm

    • Related Report
      2022 Annual Research Report 2019 Research-status Report 2017 Research-status Report
  • [Remarks] http://www.ccn.yamanashi.ac.jp/~tfukuchi/sub3.htm

    • Related Report
      2018 Research-status Report

URL: 

Published: 2017-04-28   Modified: 2024-01-30  

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