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NTIS 바로가기韓國鑛物學會誌 = Journal of the Mineralogical Society of Korea, v.24 no.1, 2011년, pp.19 - 29
김성한 (부산대학교 지구환경시스템학부) , 조현구 (경상대학교 지구환경과학과) , 김부근 (부산대학교 지구환경시스템학부)
Clay mineral assemblages of core PC25A collected from the northern part of the Aleutian Basin in the Bering Sea were examined in order to investigate changes in sediment provenances and transport pathways. Ages of core PC25A were determined by both Last Appearance Datum of radiolaria (L. nipponica s...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
본 연구에서 피스톤 코아 PC25A의 퇴적물에서 어떤 분석을 하였는가? | 베링해 알류샨 분지의 북부 사면지역에서 채취된 피스톤 코아 PC25A의 퇴적물에서 점토광물의 반정량적 함량 분석을 통해 지난 마지막 빙하기 동안 퇴적물의 기원지와 운송 경로의 변화를 살펴보았다. 코아 PC25A의 연대는 방산충 L. | |
피스톤 코아 PC25A는 어디서 채취되었는가? | 베링해 알류샨 분지의 북부 사면지역에서 채취된 피스톤 코아 PC25A의 퇴적물에서 점토광물의 반정량적 함량 분석을 통해 지난 마지막 빙하기 동안 퇴적물의 기원지와 운송 경로의 변화를 살펴보았다. 코아 PC25A의 연대는 방산충 L. | |
피스톤 코아 PC25A의 최하단부는 몇 년으로 계산되었는가? | 6{\pm}2\; ka$)와 인근 지역에서 채취한 연대가 잘 정립된 코아 PC23A의 퇴적물 색도($a^{\ast},\; b^{\ast}$) 및 퇴적 엽리층의 대비를 통해 설정되었다. 코아 PC25A의 최하단부가 약 57,600년 전으로 계산되었고, 코아 상부는 손실된 것으로 판단된다. 지난 마지막 빙하기 동안 스멕타이트, 일라이트, 캐올리나이트, 녹니석의 평균 함량은 각각 11% (5~24%), 47% (36~58%), 13% (9~19%), 29% (21~40%)이다. |
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