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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한지질학회 지질학회지 지질학회지 제24권 제3호
- 발행연도
- 1988.9
- 수록면
- 234 - 242 (9page)
- DOI
- 10.14770/jgsk.1988.24.3.234
이용수
초록· 키워드
The lower part of the Duwibong Formation(Middle Orodovican), Taebaeg City, was deposited on a strom-influenced open-marine platform. Deposition of the lower Duwibong sediments was due to storms. Strom deposits show characteristic fining-upward sequences(8 to 90 cm). This sequence consists of a sharp erosional base overlain by skeletal calcarenite-calcirudite, which is in turn overlain by laminated calcisilitite, which is gradational to marlstone-shale. Skeletal calcarenite with grainstone texture contains shells of open-marine biota including some well-rounded intraclasts. Skeletal calcirudite shows packstone to wackestone texture and consists only of brachiopod. These skeletal carbonates form strom-lag deposits and grade upward to a laminated bed with horizontal plane-lamination, hummocky cross-stratifications and climbing wave-ripple lamination. The top marlstone-shale is extensively bioturbated and the degree of burrowing decreases downward. Stratigraphically, partial storm sequence starting with a laminated bed occurs in the lower part and complete sequence in the upper part of the lower Duwibong sediments, which indicates that they had been deposited during a general regressive-phase.
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목차
- Abstract
- 요약
- INTRODUCTION
- LITHOLOGICAL CHARACTERISTICS
- LITHOLOGIC ASSOCIATION
- CONCLUSION
- ACKNOWLEDGEMENTS
- REFERENCES
참고문헌
참고문헌 신청최근 본 자료
UCI(KEPA) : I410-ECN-0101-2012-450-004400652
