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소백산육괴 남서부지역(남원일대)에 분포하는 편마암류의 미량원소함량과 지화학적 연구
조규성,남기상 全北大學校 基礎科學硏究所 1991 基礎科學 Vol.14 No.2
고도의 변성작용을 받은(Amphibolite facies, 김형식, 1970) 소백산육괴 남서부지역인 전북 남원일대에 분포하는 편마암류의 근원암을 밝히기 위해 277개의 시료를 채취 Cu, Cr, Pb, Ni, Mn, Li 등의 원소를 정량 분석했다. 각 원소의 평균함량, 함량범위, 돗수분포 등을 살피고 이질퇴적암(셰일)과 변성퇴적암(편암), 편마암 및 화강암이 갖는 미량원소의 지화학적 특징을 파악했다. 본 연구지역의 흑운모편마암, 반상변정편마암, 화강암질편마암, 혼성페그마타이트질편마암의 미량원소 함량은 이질퇴적암인 셰일(Mason, 1982; 남기상, 조규성, 1988)과 이질변성퇴적암인 편암(남기상, 조규성 1987)과 매우 유사하다. 그러나 화강암류(Taylor, 1964 ; Jin M.S., 1988 ; 남기상, 조규성, 1987)의 함량보다는 2-60배 높은 값을 가지며 특히 세일과 화강암 사이에 많은 함량의 차이를 보이는 Cu, Cr, Ni 등의 원소에서 높은 함량을 갖는다. 우백질화강편마암은 셰일이나 변성최적암보다는 6개원소 모두 낮은 함량을 갖으며 화강암류와 유사한 값을 갖는다. 퇴적기원의 암석의 돗수분포는 넓고 불규칙하게 분산되지만 화성기원의 암석은 최대 빈도를 중심으로 좁게 분포한다. 따라서 흑운모편마암, 반상변정편마암, 화강암질편마암, 혼성페그마타이트질편마암은 퇴적기원의 암층이 변성의 정도에 따라 암상의 차이를 보여주는 준편마암이며 우백질화강편마암은 그 후 이를 관입한 정편마암이다. To determine the original rock types of gneisses distributed in and aroud Namwon, Chonbuk Province, which is located in the south-west of the Sobaegsan Massif, 277 gneiss samples were collected, and elements of Cu, Cr, Pb, Ni, Mn and Li were analyzed quantitatively. Average abundance, range of abundance and frequency of each element were examined, and then the geochemical characteristcs of pelitic sediment(shale), gneisses and granites were studied. The trace element abundances of biotits gneiss, porphyroblastic gneiss, granitic gneiss and migmatitic pegmatitie gneiss are very similar to those of shales (Mason, 1982;Nam and Cho, 1988) and schists (Nam and Cho,1987), while those of the gneisses show 2-60 times as high as those of granites (Taylor, 1964; Jin, 1988; Nam and Cho, 1987). Cu, Cr, and Ni abundances, in which there are big difference between shales and granites, are very high in biotite gneiss, porphyroblastic gneiss, granitic gneiss and migmatitic pegmatite gneiss. Leucocratic granitic gneiss have lower abundances in all six trace elements than those of shales and metamorphosed sediments, and have similar trace element abundances to those of granites. The fraquencies distribution of the trace elements in the case of rocks of sedimentary origin are wide and scattered irregularly, while those of rocks of igneous origin show narrow distribution, centered on maximum frequency. Biotite gneisses, protphyroblastic gneisses, granitic gneisses and migmatitic pegmatite gneisses are, therefore, considered to be para-gneisses, which show different rock faces with the degree of metamorphism; leucocratic granitic gneisses are ortho-gneiss intruded the para-gneisses.
조규성,정례표 한국농화학회 1985 Applied Biological Chemistry (Appl Biol Chem) Vol.28 No.3
In order to determine the optimum sowing date of peanut in the middle part of Korea, peanut's 100-grain-weight and physico-chemical compositions for peanut cultivars such as runner (Yeoju landrace), semi-spanish (Suweon No. 15) and Spanish types (Wasedairu) to different seeding date which planted at interval of ten days from May 5 to July 4, in 1981, was carried out. The 100-grain-weight and crude fat of peanut were increased from May 5 to May 25, but after that decreased. And the 100-grain-weight of peanut was great in order of Wasedairu, Suweon No. 15 and Yeoju landrace. The highest amount of crude fat was seen in peanuts which was sown at May 25 and May 15. Unsaturated fatty acids are composed of 80∼85% of oleic and linoleic acid, but saturated fatty acids are constituted of 10∼15% of palmitic acid and 1∼5% of stearic and arachidic acid. Composition ratio of fatty acid in peanut was changed greatly according to sowing date. According to the late sowing date linoleic and palmitic acid were increased but oleic acid was decreased, respectively.
점진적 완성 개념도의 개발과 적용에 따른 고등학생들의 반응-지구과학Ⅰ 지각변동 단원에의 적용 사례-
조규성,조성호,김정빈,정덕호 한국지구과학회 2008 한국지구과학회지 Vol.29 No.2
In this study, a new teaching model was developed using concept maps and applied to the Earth Science I unit on diastrophism. We analyzed the effects of this model on students' scholastic achievement, ability to construct concept maps, and attitudes towards concept map lessons, in comparison to traditional teaching methods. The data was sampled from 128 second-year male high school students in Gyunggido, Korea. Although the results are not statistically significant, the new teaching model seems to have contributed to an increase in scholastic achievement as opposed to the traditional teaching models. We also found that the students to whom the new teaching model was applied showed both significant and positive effects in terms of scholastic achievement, the ability to construct a concept map, and changes in attitudes towards concept map lessons. 본 연구에서는 개념도를 활용한 새로운 수업모형을 개발하고 이를 지구과학Ⅰ의 지각변동 단원에 적용하였다. 이를 통해 전통적 수업 방식에 비해 학생들의 학업성취도, 개념도 작성 능력, 개념도 수업에 대한 태도 변화에 어떤 효과가 나타나는지를 분석하였다. 자료는 경기도에 소재하는 한 남자고등학교에서 2학년 학생 128명을 선정하여 실험 처치 후 수집하였다. 그 결과 통계적으로 유의하지는 않았지만 새로운 수업모형은 전통적 수업방식에 비해 학생들의 학업성취도가 향상되었다. 그리고 새로운 수업모형은 전통적 수업방식에 비해 학생들의 개념도 작성 능력과 개념도에 대한 태도에서 유의미하고 긍정적인 차이를 보였다.