Meso-Cenozoic basin evolution in northern Korean Peninsula

In the Korean Peninsula the Meso-Cenozoic basins were mainly formed due to fault block and block movement. The Mesozoic fracture structures correspond basically to modern large rivers in direction. Such faults were usually developed to rift and formed lake-type tectonic basin, such as the Amrokgang-, Taedonggang-, Ryesonggang-, Hochongang-, Jangphari-, Susongchon-, Pujon-, and Nampho basins. The Mesozoic strata are considered to be divided into the Lower Jurassic Taedong System, Upper Jurassic Jasong System, Upper Jurassic- -early Lower Cretaceous Taebo System, and the Upper Cretaceous- -Paleocene (Chonjaebong, Hongwon, Jaedok Series). The Cenozoic block movement succeeded the Mesozoic fault block movement. The Kilju-Myongchon Graben and Tumangang Basin, etc, are the basins related to the fault zones developed from the Oligocene to Miocene. In addition, the Tertiary basins were formed in many areas in the Miocene (e.g. Sinhung, Oro, Hamhung, Yonghung, Anbyon, Cholwon, etc). The Cenozoic sedimentation occurred mainly from the late Oligocene to Miocene. The Kilju-Myongchon Graben was the fore deep connected to the sea and the basins inclined in the Chugaryong Fault Zone are intramountain basins. Therefore, coal-bearing beds and clastic rocks in the intramountain basins and rare marine strata and terrigenous clastic rocks are main sedimentary sequences in the Cenozoic.

作 者： PAK Hyon Uk LYANG To Jun LIU Yongjiang HYON Yun Su KIM Gyong Chol   作者單位： PAK Hyon Uk,HYON Yun Su(Institute of Geology, State Academy of Science, Pyongyang, DPR of Korea)

LYANG To Jun(Department of Geology, Kim Il Song University, Pyongyang, DPR of Korea)

LIU Yongjiang,KIM Gyong Chol(College of Earth Sciences, Jilin University, Changchun 130061, China) 

刊 名： 世界地質（英文版）  英文刊名： GLOBAL GEOLOGY  年，卷(期)： 2009 12(2)  分類號： P5  關鍵詞： Korean Peninsula   Meso-Cenozoic basins   tectonic movement  

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