摘要
Basedonthedataaboutsedimentaryfaciesandpalaeogeography,thispaperprovestheexistenceoftheCathaysia(thepartineasternZhejiangandnorthernFujian,thesamehereinafter)andmakesasurveyaboutitspalaeogeographysinceSinianPeriod.ItalsodiscussestheevolutionofthetectonicenvironmentofthisregionduringPhanerozoicEon,accordingtothefeaturessuchasthecompositionofsandstonesderivedfromtheoldlandandalkalinityofvolcanicrocksandsoon.ContinuousupliftingwasmaintainedinCathaysiaduringSinianPeriodandPaleozoicEra,typicallywithnosignificanttectono-magmaticactivitybeingobserved.ItsnorthwesternmarginbelongstothetypeofpassivecontinentalmarginduringthemiddleandlatephaseofCaledonianCycle.ItshowedthecharacteristicsofasteadycontinentinlatePaleozoicera,butwasturnedquicklyintoanactivecontinentalmarginafterthemiddleJurassicperiod.
出版日期
2003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)