Recent tectonism in the Korean Peninsula and sea floor spreading

• 발행기관: 대한자원환경지질학회
• 저자명: Byong Kwon Park(朴炳權) Suh Woon Kim(金瑞雲)
• 간행물 정보: 『자원환경지질』4권 1호, 39~43쪽, 전체 5쪽
• 주제분류: 자연과학 > 지질학
• 파일형태: PDF
• 발행일자: 1971.03.30

영문 초록

The Korean Peninsula is located between the tectonically stable Asian Continent and the tectonically active Japanese islands. The east coast of Korea shows evidence of uplift whereas the west coast shows evidence of submergence. However, radiocarbon dates indicate that the rate of submergence of the west coast of Korea is slower than the tectonically stable east coast of North America. Therefore, both east and west coasts of Korea might have been uplifted during the last post-glacial period. This uplift may result the spreading line of the from compressional strain produced along East Sea of Korea (Japan Sea) and/or the conversion hinge line of the Pacific mantle convection current plunging beneath the Asian continent. This downturn is supposed to be located in the Japan Trench. High heat flow near the east coast of Korea produces the differential strain. This strain accelerates the compressional strain of the peninsula. The Sea Floor Spreading Theory can explain the tectonism of the Korean Peninsula in Recent time. Baek-Doo Mt. and Han-Ra Mt., dormant volcanoes, may be an evidence of westward movement of the Korean Peninsula.

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Abstract

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