Origin and evolution of the Bainaimiao arc belt: Implications for crustal growth in the southern Central Asian orogenic belt

doi:10.1130/B31042.1

CORC > 中国地质调查局 > 中国地质调查局 > 中国地质科学院地质力学研究所

	Origin and evolution of the Bainaimiao arc belt: Implications for crustal growth in the southern Central Asian orogenic belt
	Zhang, Shuan-Hong 6; Zhao, Yue ; Ye, Hao ; Liu, Jian-Min ; Hu, Zhao-Chu
刊名	GEOLOGICAL SOCIETY OF AMERICA BULLETIN
	2014
卷号	126 期号:42257 页码:1275-1300
ISSN号	0016-7606
DOI	10.1130/B31042.1
英文摘要	Recent results show that evolution of the huge Central Asian orogenic belt can be explained in terms of southwest Pacific-style accretion of arcs and microcontinents. A better understanding of the origin and evolution of arcs and microcontinents will enhance our knowledge on the evolution of the Central Asian orogenic belt. As one of the most important early Paleozoic arc systems south to the Solonker suture zone, the origin and evolution of the Bainaimiao arc belt are still not well constrained. New zircon U-Pb geochronological and geochemical results on magmatic rocks in the Bainaimiao arc belt indicate that the arc was active from 0.52 Ga to 0.42 Ga and can extend to east Siping in NE China. Zircon U-Pb geochronological results of metasedimentary rocks in the Bainaimiao arc belt indicate that they are early Paleozoic in age, not Precambrian as previously regarded. Detrital zircon analysis of metasedimentary rocks and Sr-Nd-Hf geochemical results of magmatic rocks indicate the existence of some Proterozoic basement rocks beneath the Bainaimiao arc, and it was built upon a Precambrian microcontinent that has a tectonic affinity to the Tarim or Yangtze cratons. The Bainaimiao arc is an ensialic island arc characterized by different evolution history and basement compositions from the northern North China craton. It was separated by a wide ocean from the northern North China craton during the Cambrian-Ordovician period. Successive northward subduction resulted in contraction of the ocean and final accretion of the Bainaimiao arc to the northern North China craton during the Late Silurian-earliest Devonian by arc-continent collision. Arc-continent collision could be an important mechanism for continental crustal growth and formation of the huge Central Asian orogenic belt.
学科主题	构造地质学
WOS关键词	NORTH CHINA CRATON ; U-PB AGES ; LA-ICP-MS ; CONTINENT COLLISION ZONE ; PLASMA-MASS SPECTROMETRY ; XILIN GOL COMPLEX ; INNER-MONGOLIA ; TECTONIC IMPLICATIONS ; VOLCANIC-ROCKS ; ZIRCON AGES
WOS研究方向	Geology
语种	英语
出版者	GEOLOGICAL SOC AMER, INC
WOS记录号	WOS:000343758700009
内容类型	期刊论文
源URL	[http://119.78.100.197/handle/2HKVOGP0/40613]
专题	中国地质科学院地质力学研究所
作者单位	1.[Zhang, Shuan-Hong 2.Zhao, Yue 3.Ye, Hao 4.Chinese Acad Geol Sci, Inst Geomech, MLR Key Lab Paleomagnetism & Tecton Reconstruct, Beijing 100081, Peoples R China 5.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China 6.中国地质科学院地质力学研究所
推荐引用方式 GB/T 7714	Zhang, Shuan-Hong,Zhao, Yue,Ye, Hao,et al. Origin and evolution of the Bainaimiao arc belt: Implications for crustal growth in the southern Central Asian orogenic belt[J]. GEOLOGICAL SOCIETY OF AMERICA BULLETIN,2014,126(42257):1275-1300.
APA	Zhang, Shuan-Hong,Zhao, Yue,Ye, Hao,Liu, Jian-Min,&Hu, Zhao-Chu.(2014).Origin and evolution of the Bainaimiao arc belt: Implications for crustal growth in the southern Central Asian orogenic belt.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,126(42257),1275-1300.
MLA	Zhang, Shuan-Hong,et al."Origin and evolution of the Bainaimiao arc belt: Implications for crustal growth in the southern Central Asian orogenic belt".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 126.42257(2014):1275-1300.