Detrital zircon U-Pb, Hf isotopes, detrital rutile and whole-rock geochemistry of the Huade Group on the northern margin of the North China Craton: Implications on the breakup of the Columbia supercontinent

doi:10.1016/j.precamres.2014.09.011

	Detrital zircon U-Pb, Hf isotopes, detrital rutile and whole-rock geochemistry of the Huade Group on the northern margin of the North China Craton: Implications on the breakup of the Columbia supercontinent
	Liu, Chaohui 1; Zhao, Guochun 1; Liu, Fulai
刊名	PRECAMBRIAN RESEARCH
	2014
卷号	254 页码:290-305
关键词	Zhaertai-Bayan Obo-Huade rift zone North China Craton Geochemistry Detrital zircon and rutile Mesoproterozoic
ISSN号	0301-9268
DOI	10.1016/j.precamres.2014.09.011
英文摘要	Supracrustal successions in the Zhaertai-Bayan Obo-Huade rift zone on the northern margin of the North China Craton include the Zhaertai, Bayan Obo and Huade Groups from west to east. The Huade Group, which has been subdivided into four formations, is composed of basal pebbled quartzites, quartzites, schists, phyllites, marbles, slates and diopsidites. Geochemistry of the metasedimentaiy succession indicates that source rocks of the lower two formations are felsic, displaying passive margin signatures, whereas those of the upper two formations have continental island arc or active continental margin signatures. U-Pb ages of detrital zircons from the group yielded three age populations of 2690-2450, 2150-1710 and 1660-1330 Ma, of which the youngest age population only exist in the upper Huade Group. The dominant 2690-2450 detrital zircons were likely sourced from the granitic rocks in the Yinshan Block. The subordinate 2150-1710 Ma detrital zircons were probably recycled from the metasedimentary units from the Khondalite Belt and/or derived from the similar aged granitic plutons of the Hongqiyingzi "Group", which are also evidenced by the similar geochemical features of rutiles from the Huade Group and the Khondalite Belt. Minor amounts of 1660-1330 Ma detrital zircons may have derived from the North American and/or Baltica cratons connected to the northern margin of the North China Craton in the Columbia supercontinent. The youngest detrital zircon age peak of 1337 Ma in the upper Huade Group suggests that the sedimentation began after similar to 1.34 Ga. In combination with the 1320 Ma granitoids cross-cutting it, depositional ages of the upper Huade Group can be constrained between similar to 1.34 and 1.32 Ga. Taking into account the lithostratigraphic features, provenances and depositional ages, a continental rift basin deposit represented by the upper Huade Group on the northern margin of the North China Craton developed between similar to 1.34 and similar to 1.32 Ga, which indicates that the final breakup of the North China Craton from the Columbia supercontinent happened in the middle Mesoproterozoic. (C) 2014 Elsevier B.V. All rights reserved.
学科主题	构造地质学
WOS关键词	EASTERN GHATS BELT ; INNER-MONGOLIA ; TECTONIC SIGNIFICANCE ; WESTERN BLOCK ; DYKE SWARM ; KEY ISSUES ; MESOPROTEROZOIC SUPERCONTINENT ; PALEOPROTEROZOIC EVOLUTION ; GEOLOGICAL SIGNIFICANCE ; RODINIA SUPERCONTINENT
WOS研究方向	Geology
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000343786400017
内容类型	期刊论文
源URL	[http://119.78.100.197/handle/2HKVOGP0/40527]
专题	中国地质科学院地质研究所
作者单位	1.Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China 2.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Liu, Chaohui,Zhao, Guochun,Liu, Fulai. Detrital zircon U-Pb, Hf isotopes, detrital rutile and whole-rock geochemistry of the Huade Group on the northern margin of the North China Craton: Implications on the breakup of the Columbia supercontinent[J]. PRECAMBRIAN RESEARCH,2014,254:290-305.
APA	Liu, Chaohui,Zhao, Guochun,&Liu, Fulai.(2014).Detrital zircon U-Pb, Hf isotopes, detrital rutile and whole-rock geochemistry of the Huade Group on the northern margin of the North China Craton: Implications on the breakup of the Columbia supercontinent.PRECAMBRIAN RESEARCH,254,290-305.
MLA	Liu, Chaohui,et al."Detrital zircon U-Pb, Hf isotopes, detrital rutile and whole-rock geochemistry of the Huade Group on the northern margin of the North China Craton: Implications on the breakup of the Columbia supercontinent".PRECAMBRIAN RESEARCH 254(2014):290-305.