摘要
ExtensivevolcanismisoneoftheimportantfeaturesofCenozoicgeologyinChina.Basedontemporal-spatialdistribution,thevolcanismwasassociatedwiththreemajordifferentgeologicalsettings:1)thecontinentalriftbasaltsinNortheastandNorthChina;2)thetension-faultbasaltsonthecontinentalmarginsofSoutheastChina;and3)thecollision-zonehigh-KvolcanicsintheQinghai-XizangPlateauanditsvicinities.Thecharacteristicsof'depletioninthesouthandenrichmentinthenorth'oftheChinacontinentalmantlearestronglysupportedbyisotopicevidence.TheCenozoiccontinentalcalcharacters,intothefollowinggeochemicalprovinces:1)thedepletedmantleinSouthChina;2)theprimarymantleinNortheastandNorthChina;3)thehybridandtransi-tionalmantleintheregionofShandong,Anhui,JiangsuandnorthernZhejiang;4)thedepletedmantlearoundtheBohaiBayandtheLowerLiaoheRiver;5)theK-metasomaticenrichedmantleinthenorthernpartofNortheastChina;and6)there-cycledenrichedmantleintheancientsubductionzoneintheQinghai-XizangPlateauanditssurround-ings.Thesegeochemicalcharacteristicsonaregionalscalemustbeareflectionofthenatureoflithosphereevolution.
出版日期
1995年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）
