학술논문
慶尙盆地 彦陽斷層 地域에 對한 電氣比抵抗 探査硏究
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- 영문명
- Electrical Resistivity Survey in the Eon-Yang Fault Area, Southeastern Korean Peninsula
- 발행기관
- 대한자원환경지질학회
- 저자명
- In Soo Kim(金仁洙) Jong Yeol Kim(金鍾烈)
- 간행물 정보
- 『자원환경지질』16권 1호, 11~18쪽, 전체 8쪽
- 주제분류
- 자연과학 > 지질학
- 파일형태
- 발행일자
- 1983.03.30
4,000원
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국문 초록
영문 초록
Gyeongsang Basin in the southeastern part of the Korean peninsular is characterized by many fault systems. To decipher the geotectonical evolution of the Korean peninsular and marginal basins in her adjacent areas it is prerequisite to understand the spatial distribution pattern and mutual relationships of these fault systems. Because of difficulties in finding any criterion to recognize the faults in field, their extension and mutual relationships in ages are not very clear yet. As an attempt to find geophysical criteria to recognize the fault, geoelectrical resistivity survey was carried out in this study. With the Wenner configuration four resistivity soundings and twenty seven resistivity profilings were done. The electrode distance used was up to 50m. From the results of the resistivity soundings and boring data of earlier groundwater investigations the depth of alluvial and weathered zone was established to be at most 20m in the study area. In the resistivity profiling low resistivity anomaly zones are detected on every traverse, which are interpreted as caused by fractures, fault clays and mylonites in the fault zone. The width of the fault zone amounts to 0.3-1km. By correlating and connecting the negative anomaly zones from traverse to traverse one can determine the trend of th of the faultzone and therefore that of fault itself. The recognized fault trend in this way was N15°-20°E and this coincides with the direction of the inferred fault line from earlier geological surface mapping. With the help of this characteristical negative anomaly the existance of another N80°W trending fault was estabished. This study has shown that geoelectrical resistivity survey can be applied successfully to the problem of tracing fault line insofar as a fault zone has been developed along fault line.
목차
Abstract
1. 序言
2. 硏究方法
3. 探査結果
4. 結論 및 討議
5. 謝辭
參考文獻
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