Trace Element Abundance Relationships in the Multi—stage Comagmatic Fractional Crystallization and Their Applications

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摘要 Inthisstudyamathematicalexpressionoftraceelementabundancerelationshipforthemul-ti-stagecomagmaticfractionalcrystallizationhasbeenestablished,basedongeochemicalstudiesoftheEmeishanbasalt-trachyteseriesandadjacentmafic-ultramaficlayeredintrusions,aswellasontheavail-abledataforbasalt,andesite,daciteandrhyoliteseriesinsouthernAndes,Chile,whichhavebeenwelldocumented.Itisdemonstratedthattheabundanceconstant(R)foragiventraceelementatdif-ferentstagesoffractionalcrystallizationofaparentalmagmaishighlyvariable,whichcanbeusedasacriteriontodividefractionalcrystallizationstages.
机构地区 不详
出版日期 1993年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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