Two stages of isotopic exchanges experienced by the Ertaibei granite pluton, northern Xinjiang, China

	Two stages of isotopic exchanges experienced by the Ertaibei granite pluton, northern Xinjiang, China
	Wei, L
刊名	SCIENCE IN CHINA SERIES D-EARTH SCIENCES
	2000-12-01
卷号	43 期号:6 页码:605-616
关键词	two stages of isotopic exchange quartz-feldspar O-18/O-16 reversal dehydration-induced partial melting granite northern Xinjiang
ISSN号	1006-9313
英文摘要	O-18/O-16 and D/H of coexisting feldspar, quartz, and biotite separates of twenty samples collected from the Ertaibei granite pluton, northern Xinjiang, China are determined. It is shown that the Ertaibei pluton experienced two stages of isotopic exchanges. The second stage of O-18/O-16 and D/H exchanges with meteoric water brought about a marked decrease in the delta O-18 values of feldspar and biotite from the second group of samples. The DIH of biotite exhibits a higher sensitivity to the meteoric water alteration than its O-18/O-16. However, the first stage of O-18/O-16 exchange with the O-18-rich aqueous fluid derived from the dehydration within the deep crust caused the Delta O-18(Quartz-Feldspar) reversal, it is inferred that the dehydration-melting may have been an important mechanism for anatexis. It is shown that the deep fluid encircled the Ertaibei pluton like an envelope which serves as an effective screen to the surface waters.
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000166308500006
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/75856]
专题	中国科学院地质与地球物理研究所
通讯作者	Wei, L
作者单位	Chinese Acad Sci, Inst Geol & Geophys, Res Ctr Mineral Resources Explorat, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Wei, L. Two stages of isotopic exchanges experienced by the Ertaibei granite pluton, northern Xinjiang, China[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2000,43(6):605-616.
APA	Wei, L.(2000).Two stages of isotopic exchanges experienced by the Ertaibei granite pluton, northern Xinjiang, China.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,43(6),605-616.
MLA	Wei, L."Two stages of isotopic exchanges experienced by the Ertaibei granite pluton, northern Xinjiang, China".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 43.6(2000):605-616.