인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
The Soonchang Shear Zone in the Hwasun coalfield area has been studied. Mylonitic belts in Precambrian granitic gneiss occurred at the eastern border of the Upper Paleozoic meta-sedimentary rocks and display the width ranging from several meters to 700 m. The trend of shear zone is N 0°-45°E and subvertical mylonitic foliations with subhorizontal stretching lineations indicate that ductile strike-slip movement was dominant. An amount of displacement across the shear zone in granitic gneiss is more than 3 km. Foliation trajectory patterns correspond to the discrete ductile shear zone and locally half of the continuous one. Non-coaxial strain history with dextral shear is evidenced by strain heterogeneities and asymmetrical structures such as progressive rotation of generated foliations, porphyroclast systems, S/C-fabrics, obliquity of dynamically recrystallized grains and displaced broken grains. The observed finite strain features are attributed to a progressive deformation process combined simple shear with accompanying volume loss and additional pure shear. Probably ductile shearing deformation occurred under the metamorphic condition of greenschist facies during late Triassic to middle Jurassic period, but the exact age of the shearing event is not certain yet.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
최근 본 자료 전체보기
UCI(KEPA) : I410-ECN-0101-2012-450-004401811