Geochemistry of the lava and its implications in Musicians Seamounts

IOCAS-IR

	Geochemistry of the lava and its implications in Musicians Seamounts
	Li CS(李传顺); Pan YC(潘玉成); Li AC(李安春); Rodey Batiza
发表期刊	Chinese Journal of Oceanology and Limnology
ISSN	0254-4059
	2008-11-15
出版年	2008
卷号	v.26 期号:04 页码:117-126
文献类型	CNKI期刊论文
摘要	<正>Chemical and isotopic data of the lava samples dredged in the southern Bach Ridge and the northern Italian Ridge of the Musicians Seamounts province,northeast of Hawaii.Although most of the samples analyzed are generally altered,a few are fresh.The latter exhibits similar geochemical and isotopic characteristics to normal MORB (Mid-Ocean Ridge Basalts).There are systematic geochemical trends from hotspot to mid-ocean ridge in the province.Incompatible element and isotopic variations suggest that the flow field had at least two distinct parental magmas,one with higher and one with lower MgO concentrations.The two parental magmas could be related by a magma mixing model.The major and trace element modeling shows that the two parental magmas could not have been produced by different degrees of melting of a homogeneous mantle source,but they are consistent with melting of a generally depleted mantle containing variable volumes of embedded enriched heterogeneity enriched interbeds.
关键词	Musicians Seamounts geochemistry hotspot mid-ocean ridge ridge-hotspot interaction
CNKI专辑号	A;
CNKI专辑名称	基础科学;
CNKI专题号	A010;A012;
CNKI专题名称	海洋学;地球物理学;
分类号	P738
收录类别	中科院核心
语种	英文;
资助项目(基金）	Supported by the major program of Knowledge Innovation Project of the Chinese Academy of Sciences (No.KZCX2-YW-211) ; the National Natural Science Foundation of China (No.40776030)
文献类型	CNKI期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/192806
专题	中国科学院海洋研究所
作者单位	1.KeyLaboratoryofMarineGeologyandEnvironment,InstituteOceanology,ChineseAcademyofSciences 2.GraduateSchool,ChineseAcademyofSciences 3.DepartmentofGeologyandGeophysics,UniversityofHawaii.1680EastWestRoad,Honolulu 4.KeyLaboratoryofMarineGeologyandEnvironment,InstituteofOceanology,ChineseAcademyofSciences
推荐引用方式 GB/T 7714	Li CS,Pan YC,Li AC,et al. Geochemistry of the lava and its implications in Musicians Seamounts. 2008.