Emplacement age of the Tahe granite and its constraints on the tectonic nature of the Ergun block in the northern part of the Da Hinggan Range

doi:10.1360/982005-207

	Emplacement age of the Tahe granite and its constraints on the tectonic nature of the Ergun block in the northern part of the Da Hinggan Range
	Ge, WC ; Wu, FY ; Zhou, CY ; Rahman, AAA
刊名	CHINESE SCIENCE BULLETIN
	2005-09-01
卷号	50 期号:18 页码:2097-2105
关键词	Zircon U-pb Age Granite Tahe Ergun Da Hinggan Range
ISSN号	1001-6538
DOI	10.1360/982005-207
文献子类	Article
英文摘要	Large-scale granitic plutons are exposed in the Ergun block in the northern part of the Da Hinggan Range, but their emplacement age and petrogenesis remain unknown. Of these plutons, the Tahe pluton is composed mainly of porphyritic syenogranite and monzogranite, with minor hornblende alkali feldspar granite and gabbro, which have affinities to post-orogenic granitoids. Laser-ablation Inductively Coupled Plasma Mass-spectroscope (LA-ICP-MS) analysis shows that the major rock types of the Tahe pluton formed at 494 - 480 Ma ago, indicating its emplacement in the Early Paleozoic. It is concluded, therefore, that the collision between the Ergun and the Xing'an blocks ended in Early Paleozoic. Considering the geochronological data of the plutons in the adjacent areas, the Early Paleozoic evolutionary history of the Ergun block is similar to the central Mongolia and the Tuvino blocks in Mongolia, and the Ergun block should be a part of the accretionary continental margin in the southern Siberian Craton.
WOS关键词	A-TYPE GRANITES ; INNER-MONGOLIA ; GEOCHEMICAL CONSTRAINTS ; HEGENSHAN OPHIOLITE ; NORTHEASTERN CHINA ; SONGLIAO BASIN ; NE CHINA ; COMPLEX ; GEOCHRONOLOGY ; PETROGENESIS
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000233353700023
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/65842]
专题	中国科学院地质与地球物理研究所
通讯作者	Ge, WC
作者单位	1.Jilin Univ, Coll Earth Sci, Changchun 130061, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Ge, WC,Wu, FY,Zhou, CY,et al. Emplacement age of the Tahe granite and its constraints on the tectonic nature of the Ergun block in the northern part of the Da Hinggan Range[J]. CHINESE SCIENCE BULLETIN,2005,50(18):2097-2105.
APA	Ge, WC,Wu, FY,Zhou, CY,&Rahman, AAA.(2005).Emplacement age of the Tahe granite and its constraints on the tectonic nature of the Ergun block in the northern part of the Da Hinggan Range.CHINESE SCIENCE BULLETIN,50(18),2097-2105.
MLA	Ge, WC,et al."Emplacement age of the Tahe granite and its constraints on the tectonic nature of the Ergun block in the northern part of the Da Hinggan Range".CHINESE SCIENCE BULLETIN 50.18(2005):2097-2105.