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The discovery of the oldest rocks in the Kuluketage area and its geological implications

文献类型：期刊论文

作者Long XiaoPing1; Yuan Chao1; Sun Min2; Xiao WenJiao3; Zhao GuoChun2; Zhou KeFa4; Wang YuJing1; Hu AiQin1
刊名SCIENCE CHINA-EARTH SCIENCES
出版日期2011-03-01
卷号54期号:3页码:342-348
关键词Tarim Craton Archean crustal growth zircon dating Hf isotope
ISSN号1674-7313
DOI10.1007/s11430-010-4156-z
文献子类Article
英文摘要The basement rocks in the Kuluketage area are composed predominately of tonalite-trondhjemite-granodiorite rocks, and occured mainly in Xinger and Korla. U-Pb dating of TTG gneiss near Korla yielded a late Neoarchean weighted mean (207)Pb/(206)Pb age of 2.65 Ga, which is the oldest published age for the TTG rocks in the Kuluketage area and thus suggests that Archean terrane in the area was formed in the late Neoarchean. The Korla gneiss is much younger than the TTG rocks in the northern Altyn Tagh, eastern Tarim Craton, indicating that the oldest terrane of the Tarim Craton was exposed probably in the northern Altyn Tagh. Until late Neoarchean, the Tarim continent extends to the Kuluketage area and finally had generated a relatively large uniform Archean basement within the craton. Zircon Hf isotopic analyses of the TTG gneiss give low E >(Hf)(t) values (-5 to 1) with Paleoarchean to Mesoarchean two-stage model ages (T (DM) (2)) between 3.0 and 3.3 Ga, suggesting that the basement rocks in the northern Tarim Craton were derived dominately from partial melting of Paleoarchean to Mesoarchean juvenile crustal material. The Hf model ages, therefore, indicate that no continent crust older than 3.3 Ga existed in the Kuluketage area.
WOS关键词HF ISOTOPE COMPOSITION ; U-PB AGE ; CRUSTAL EVOLUTION ; CONTINENTAL-CRUST ; TARIM BLOCK ; SOUTH CHINA ; LU-HF ; GEOCHRONOLOGICAL EVIDENCE ; LIAONING PROVINCE ; YANGTZE CRATON
WOS研究方向Geology
语种英语
WOS记录号WOS:000288121700002
出版者SCIENCE CHINA PRESS
资助机构National Basic Research Program of China(2007CB411308) ; National Basic Research Program of China(2007CB411308) ; National Natural Science Foundation of China(40803009 ; National Natural Science Foundation of China(40803009 ; CAS/SAFEA ; CAS/SAFEA ; 40772130) ; 40772130) ; National Basic Research Program of China(2007CB411308) ; National Basic Research Program of China(2007CB411308) ; National Natural Science Foundation of China(40803009 ; National Natural Science Foundation of China(40803009 ; CAS/SAFEA ; CAS/SAFEA ; 40772130) ; 40772130) ; National Basic Research Program of China(2007CB411308) ; National Basic Research Program of China(2007CB411308) ; National Natural Science Foundation of China(40803009 ; National Natural Science Foundation of China(40803009 ; CAS/SAFEA ; CAS/SAFEA ; 40772130) ; 40772130) ; National Basic Research Program of China(2007CB411308) ; National Basic Research Program of China(2007CB411308) ; National Natural Science Foundation of China(40803009 ; National Natural Science Foundation of China(40803009 ; CAS/SAFEA ; CAS/SAFEA ; 40772130) ; 40772130)
源URL[http://ir.iggcas.ac.cn/handle/132A11/74652]  
专题中国科学院地质与地球物理研究所
通讯作者Long XiaoPing
作者单位1.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Isotope Geochronol & Geochem, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
4.Xinjiang Resources & Environm Ctr, Urumqi 830000, Peoples R China
推荐引用方式
GB/T 7714		 Long XiaoPing,Yuan Chao,Sun Min,et al. The discovery of the oldest rocks in the Kuluketage area and its geological implications[J]. SCIENCE CHINA-EARTH SCIENCES,2011,54(3):342-348.
APA Long XiaoPing.,Yuan Chao.,Sun Min.,Xiao WenJiao.,Zhao GuoChun.,...&Hu AiQin.(2011).The discovery of the oldest rocks in the Kuluketage area and its geological implications.SCIENCE CHINA-EARTH SCIENCES,54(3),342-348.
MLA Long XiaoPing,et al."The discovery of the oldest rocks in the Kuluketage area and its geological implications".SCIENCE CHINA-EARTH SCIENCES 54.3(2011):342-348.

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来源：地质与地球物理研究所

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