인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
개인구독
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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 Mungog Formation is divided into four informal members based on the association of four dominant lithofacies (ribbon rock, grainstone to packstone, flat - pebble conglomerate, and marlstone to shale): i.e., basal member, ca 45 m thick, composed mainly of ribbon rock and grains-tone to packstone; lower member, 30~35 m thick, consisting exclusively of grainstone to packstone; middle member, 35~60 m thick, characterized by alternations of ribbon rock and flat - pebble conglomerate beds; and upper member, 50~60 m thick, comprising ribbon rock, grainstone to packstone, flat - pebble conglomerate, and marlstone to shale facies. Fossil occurrences are confined to the two stratigraphically separated intervals, which are refered to assemblages A and B, respectively. Assemblage A from the lowermost part of the basal member is dominated by kainellid and olenid trilobites and indicates an early Tremadocian in age, while Assemblage B from the lower part of the upper member is composed mainly of cosmopolitan trilobite genera representing a late Tremadocian age. In addition, we demonstrate that the subdivision of the Mungog Formation into members and associated faunal assemblages are helpful to understand the geologic structure of the Yeongweol - Machari area. In the western part of the Machari thrust, two thrust faults, the Mohari and Dumog thrusts, are recognized and confirmed by the occurrence of the basal member producing Assemblage A.
본문·목차
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최근 본 자료 전체보기
UCI(KEPA) : I410-ECN-0101-2012-450-004401184