PHANEROZOIC INHOMOGENEOUS REHEATING OF UPPER MANTLE RESPONSIBLE FOR PACIFIC GENESIS

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摘要 ThelateMesozoictwogianteventsthathavesynchronouslyoccurredinthePacificandperipheryarethetectono-magmaticactivitiesoftheCircum-PacificmobilebeltandtheDarwinRise.TheirdynamicsanalysisindicatesthatthegeodynamicsresponsibleforPacificgenesishasbeendrivenbythegravityinstabilitybetweenaPacific-widesuperplumeheadanditslithosphericoverburdenundertheinfluenceofeastwardasthenosphericflowbytheEarthspin.TheworldwideactivationofmaficmagmatismwasinitiatedinthePaleozoicandclimaxedaroundtheJurassic.TheseparatednotworldwidedistributionofthemagmatismontheEarthsuggeststheinhomogeneousreheatingofuppermantle,asrepresentedbythePacific-widesuperplumehead.ThePhanerozoicreheatingthusputforwardtheEarthhistoryintoanewgeotectonicstage,i.e.,thediwastage.
机构地区 不详
出版日期 2001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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