경상분지 남동부에 위치한 양산단층 동편의 화강암질암, 화산암류, 퇴적암류를 대상으로 총 77개 지점으로부터 독립적으로 정향된 542개의 코어시료를 채취하여 대자율 이방성(AMS) 연구를 실...
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https://www.riss.kr/link?id=A100573504
조형성 (부산대학교) ; 손문 (부산대학교) ; 김인수 (부산대학교) ; Cho, Hyeong-Seong ; Son, Moon ; Kim, In-Soo
2007
Korean
KCI등재,SCOPUS,ESCI
학술저널
171-189(19쪽)
4
0
상세조회0
다운로드국문 초록 (Abstract)
경상분지 남동부에 위치한 양산단층 동편의 화강암질암, 화산암류, 퇴적암류를 대상으로 총 77개 지점으로부터 독립적으로 정향된 542개의 코어시료를 채취하여 대자율 이방성(AMS) 연구를 실...
경상분지 남동부에 위치한 양산단층 동편의 화강암질암, 화산암류, 퇴적암류를 대상으로 총 77개 지점으로부터 독립적으로 정향된 542개의 코어시료를 채취하여 대자율 이방성(AMS) 연구를 실시하였다. 총 대자율 측정, 고온대자율 실험 및 등온잔류자기 획득실험을 통하여 연구대상 암석들의 주 자성광물이 자철석 위주의 티탄자철석계열의 것임이 밝혀졌다. 연구의 주 대상암체인 화강암질암에는 자기적 엽리구조와 자기적 선구조 모두가 존재하고 있으며, 자기적 엽리구조의 주향은 북동-남서가 지배적이다. 이 자기적 엽리구조는 화강암질암의 변형에 대한 강한 저항의 물성, 주변 모암의 자기적 엽리구조와의 불일치, 고화 이후 취성변형으로 만들어진 소단층이나 절리 등의 지질구조와의 모순점, 현미경에서 관찰되는 조직 등의 증거로부터 마그마가 관입정치하여 완전히 고화되기 전에 응력을 받아 생성된 일차 미세구조(primary fabric)로 판단된다. 이 북동-남서 주향의 자기적 엽리구조는 북서-남동의 압축력으로 만들어질 수 있는데 이러한 응력은 양산단층의 좌수향 주향운동의 산물로 해석된다. 연구지역 화강암질암의 연령이 약 $60\sim70Ma$로 알려져 있음을 감안하면 양산단층은 이 시기(백악기 말에서 신생대 초)에 걸쳐서 좌수향 주향이동 운동을 하였음을 알 수 있다.
다국어 초록 (Multilingual Abstract)
A study of anisotropy of magnetic susceptibility (AMS) was undertaken on Cretaceous granitic, volcanic and sedimentary rocks in the eastern region of the Yangsan fault, southeast Korea. A total of 542 independently oriented core samples collected form...
A study of anisotropy of magnetic susceptibility (AMS) was undertaken on Cretaceous granitic, volcanic and sedimentary rocks in the eastern region of the Yangsan fault, southeast Korea. A total of 542 independently oriented core samples collected form 77 sites were studied. The main magnetic mineral in granitic rocks is magnetite according to the magnitude of bulk susceptibility, high-temperature susceptibility variation and isothermal remanent magnetization. Both of magnetic lineation and foliation with NE-SW trends are revealed in the granitic rocks, while volcanic rocks show scattered directions and sedimentary rocks show only load foliation parallel to the bedding planes. The following evidences read to the conclusion that both magnetic fabrics in the granitic rocks have been obtained by a tectonic stress before full solidification of the magma: (i) A fully hardened granitic rocks would get hardly any fabric, (ii) Difference of the magnetic fabric trends with those of the geological structures in the granitic rocks themselves formed by brittle deformation after solidification (e.g. patterns of small-faults and joints), (iii) Kinking of biotite and undulose extinction in quartz observed under the polarizing microscope, (iv) Discordance of magnetic fabrics in the granitic rocks with those in the surrounding rocks. The NE-SW trend of the magnetic foliations suggests a NW-SE compressive stress of nearly contemporaneous with the emplacement of the granitic rocks. The compression should have caused a sinistral strike-slip movement of the Yangsan Fault considering the trend of the latter. As the age of the granitic rocks in the study area is reported to be around $60\sim70$ Ma, it is concluded that the Yangsan fault did the sinistral strike-slip movement during this time (L. Cretaceous Maastrichtian - Cenozoic Paleocene).
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일라이트 분체 내에 함유된 산화철 제거에 옥살산과 L-아스코르브산이 미치는 영향
중력 및 자력자료 분석에 의한 울릉분지 북동부 독도 및 주변 해산들의 형성 연구
부여분지와 함평분지에 분포하는 백악기 암석에 대한 자기특성 연구
중금속으로 오염된 사력재의 댐축조 재료 활용 가능성 평가를 위한 수치 모델링
학술지 이력
연월일 | 이력구분 | 이력상세 | 등재구분 |
---|---|---|---|
2023 | 평가예정 | 해외DB학술지평가 신청대상 (해외등재 학술지 평가) | |
2020-01-01 | 평가 | 등재학술지 유지 (해외등재 학술지 평가) | |
2013-01-01 | 평가 | 등재 1차 FAIL (등재유지) | |
2010-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2008-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2006-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2004-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2001-07-01 | 평가 | 등재학술지 선정 (등재후보2차) | |
1999-01-01 | 평가 | 등재후보학술지 선정 (신규평가) |
학술지 인용정보
기준연도 | WOS-KCI 통합IF(2년) | KCIF(2년) | KCIF(3년) |
---|---|---|---|
2016 | 0.35 | 0.35 | 0.34 |
KCIF(4년) | KCIF(5년) | 중심성지수(3년) | 즉시성지수 |
0.29 | 0.27 | 0.625 | 0.19 |