항공자력의 Analytical 이상을 이용한 의성소분지의 지구조 연구 KCI OTHER

Title
항공자력의 Analytical 이상을 이용한 의성소분지의 지구조 연구
Alternative Title
Geologic Structure of the Euiseong Sub-basin by Analytic Aeromagnetic Anomaly Data
Author(s)
김원균; 박찬홍
Publication Year
2000-06
Abstract
The structure of Euiseong Sub-basin and boundary of sub-basins were examined by analytical aeromagentci anomaly data. Magnetic lineaments have trends of NE-SW, NWW-SEE and NEE-SWW. The NE-SW lineaments in the sedimentary formations and pre-Cretaceous basement are assoicated with the direction of expansion of basin and the lineaments in the volcanic rocks and intrusives indicate the direction of structural weakness ones such as fault, which were major gateways of igneous activities. Euiseong Subbasin is bounded by pre-existing Andong Fault, pre-Cretaceous basement in the west, NE-SW lineament from Jyungsan to Angang, and NW-SE lineament connecting southwestern boundary of Palgongsan Granite and Jeokje Fault. In particular , the NW-SE lineament , which caused upheavel of pre-Cretaceous rocks, on Jeokje Fault is inferred as a boundary between Euiseong and Milyang Sub-basins.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/6046
Bibliographic Citation
자원환경지질, v.33, no.3, pp.229 - 237, 2000
Type
Article
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