Comparative study of geology in North China and Korean Peninsula: Research advances and key issues

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 中国科学院矿产资源研究重点实验室

	Comparative study of geology in North China and Korean Peninsula: Research advances and key issues
	Zhai MingGuo 1,2
刊名	ACTA PETROLOGICA SINICA
	2016
卷号	32 期号:10 页码:2915-2932
关键词	North China craton Korea Peninsula Comparative geologic study Orogenic belts Sedimentary basins
英文摘要	In terms of geological and tectonic evolution, the Korea Peninsula (KP) has long been thought to be strongly tied with the mainland of China, with the North China Craton (NCC) and KP collectively termed as the Sino-Korea Craton, although such correlation suffered from the absence of relevant geological information and data in North Korea. This paper introduces our study of comparative study of geology in North China and Korean Peninsula, including Precambrian basements, Paleozoic basins, orogenic belts and Mesozoic magmatism. Main summary and conclusions are as follows. (1) The KP comprises three major Precambrian massifs i.e., Rangrim, Gyeonggi, and Yongnam massifs. The Rangrim and Gyeonggi massifs are separated by the Imjingang Fold Belt, while the Gyeonggi and Yongnam massifs are separated by the Ogcheon Fold Belt; (2) The basements of the three massifs are correlated to the NCC; (3) Two main Paleozoic basins within the Rangnim massif and within the Gyeonggi and Yongnam massifs are the Phyongnam basin and Taebaeksan basin that have a similar Paleozoic tectono-stratigraphy to the NCC; (4) Although, at present, the nature and tectonic significance of the Imjingang and Ogcheon belts remain controversial, these two structural belts do not show characteristics and natures of collisional orogenic belt; (5) The eclogite-bearing Hongseong Complex (HSC) is located in the southwestern part of the Gyeonggi massif and has been separated from the Gyeonggi complex. The eclogitic rocks are commonly associated with serpentinites, and occur as lenses in granitic gneiss. An eclogite sample yielded a metamorphic age of similar to 230 Ma and another protolith age of similar to 880Ma. Its hosting granitic gneiss yielded an age of ca. 820Ma. All these age records indicate that the Sulu Belt extends to the KP. However, no evidence supports the HSC as a tectonic zone cuts across the KP. A crustal detachment-thrust model envisages that the collisional suture between the North China Block (NCB) and South China Block (SCB) was along the Western Marginal Fault Zone of the KP; (6) Mesozoic igneous rocks are widespread throughout the northern and southern parts of the KP. Triassic magmatism is related to Indosinian orogeny. Jurassic and Cretaceous igneous rocks are different from those in the NCC on ages and spatial-temporal distribution. Late Cretaceous volcanic rocks are located only in the Gyeongsang basin in the southeastern corner of KP. This paper also suggests several key and controversial academic issues that are worth to study in the future.
语种	英语
WOS记录号	WOS:000388277000002
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/53254]
专题	地质与地球物理研究所_中国科学院矿产资源研究重点实验室
作者单位	1.Norwest Univ, State Key Lab Continental Dynam, Xian 710069, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Zhai MingGuo. Comparative study of geology in North China and Korean Peninsula: Research advances and key issues[J]. ACTA PETROLOGICA SINICA,2016,32(10):2915-2932.
APA	Zhai MingGuo.(2016).Comparative study of geology in North China and Korean Peninsula: Research advances and key issues.ACTA PETROLOGICA SINICA,32(10),2915-2932.
MLA	Zhai MingGuo."Comparative study of geology in North China and Korean Peninsula: Research advances and key issues".ACTA PETROLOGICA SINICA 32.10(2016):2915-2932.