Geochronology and Isotope Geochemistry of the Xiqiu Spilite—Keratophyre in Zhejiang Province,China

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    摘要 Spilite-keratophyreisakeymemberoftheShuangxiwuGroupvolcanicseriesinZhejiangProvince.PresentedinthispaperarethereliableSm-Ndinternalisochronage(1012±18Ma,∈Nd(T)=4.4±0.1)andwhole-rockRb-Srisochronage(972±40Ma,Isr=0.70327±8)obtainedforthefirsttimebytheauthors.FromtheavailableNd,SrandOisotopedatainconjunctionwiththemajorandtraceelementsdataitissuggestedthattheXiqiuspilite-keratophyreistheproductofisland-arcvolcanismduringthelateMiddleProterozoic.
    机构地区 不详
    出版日期 1993年01月11日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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