Structural Evolution of the Southern Margin of the Ulleung Basin,

Title
Structural Evolution of the Southern Margin of the Ulleung Basin,
Author(s)
남병훈; 이광훈; 유해수; 민동주; 김한준
KIOST Author(s)
Kim, Han Joon(김한준)
Publication Year
2007-07-31
Abstract
Mapping of eleven regional unconformities and the acoustic basement in the southern Ulleung Basin margin, East Sea (Japan Sea), identified from multi-channel seismic reflection data, provides insights into the structural evolution of the area. The four shallow (Late Miocene, Early Pliocene, early Late Pliocene, earliest Pleistocene) unconformities are mappable over the much of the study area; the rest are seen mostly in the northern two thirds of the area, bounded to south by large NEtrending reverse faults. Smaller NE-trending reverse faults are also seen in the northern part of the area. The contractional tectonism, responsible for the reverse faults, consists of at least two phases: (1) the latest Early to late Late Miocene and (2) the late Late Miocene to Quaternary (?) phase. The first phase of uplift created anticlinal structures in the northeastern part of the area. The second phase formed relatively shallow anticlines in the southwestern part of the area. The second phase was accompanied by significant transpressional strike-slip movements in the southeastern part of the area.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/30403
Bibliographic Citation
2007 AOGS, pp.1, 2007
Publisher
2007 AOGS
Type
Conference
Language
English
Publisher
2007 AOGS
Related Researcher
Research Interests

Marine Geophysics,Marine Active Fault Study,Exploration Seismology,해양지구물리,해저단층연구,탄성파탐사

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