By Mingguo Zhai
This e-book is the 1st contribution to the assessment of Precambrian geology of China. It covers Precambrian geology of the North China Craton, the South China Craton and the Tarim Craton, in addition to different smaller blocks within the chinese language orogenic belts. It presents systematic suggestions of the chinese language paleo-continents and contains the main up to date achievements. Edited via a few of the lively researchers operating on the vanguard of the similar fields, it contributes enormously to the foreign Precambrian geology neighborhood and will be of curiosity to geoscientists operating within the examine box of geology of China and Precambrian geodynamics.
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Extra info for Precambrian Geology of China
0 Ga. Any geological imprint of the Grenville orogenic event is not recorded in the NCB, but only ca. 900 Ma granites occur along the North Qinling Orogenic Belt relative to the southern margin of the NCB, whose geological signiﬁcance is not clear. Some sedimentary rocks of the Nanhua Period are locally distributed in the NCB, but the sedimentary rocks of the Ediacaran System (Sinian) are not assured. Some borderline tillites in the Luoquan Group in the southern NCB and the Pirangdong Group in North Korea are debatable and also important for understanding Neoproterozoic evolution in the NCB.
Zhou ca. 68 Ga (Greentree and Li 2008), indicating that the exposed metamorphic basement in the western Yangtze Block is much younger. The upper-level metamorphic basement in the Yangtze Block also can be subdivided into two parts. The lower part consists of the Lengjiaxi Group and equivalents strata including the Fanjingshan Group, Sibao Group, Shuangqiaoshan Group, and Shangxi Group. The rocks were metamorphosed mainly to low-greenschist facies, which are of phyllite-slate series, and exposed as a NNE fold system.
The upper-level metamorphic basement in the Yangtze Block also can be subdivided into two parts. The lower part consists of the Lengjiaxi Group and equivalents strata including the Fanjingshan Group, Sibao Group, Shuangqiaoshan Group, and Shangxi Group. The rocks were metamorphosed mainly to low-greenschist facies, which are of phyllite-slate series, and exposed as a NNE fold system. Its upper part is called as the Banxi Group which is a suite of sedimentary sequences with volcanic rocks (Ren et al.
Precambrian Geology of China by Mingguo Zhai