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地球学报 2009
DiscussionoftheRelationshipsBetweentheGondwanaandEasternChinaBlock:PaleomagneticConstraintsKeywords: Gondwana,SouthChina,NorthChina,Paleomagnetism Abstract: ThetimewhenGondwanafinallyformedisstilldebatable(PowellandPisarevsky,2002;Meert,2003).Paleomagneticdatahavedemonstratedthattheappar-entpolarwanderpaths(APWPs)forthemainconti-nentalblocksofGondwanaareingoodagreementfromEarlyCambriantoatleast260MaunderthewidelyacceptedGondwanafit(seeLi&Powell,2001,Fig.6).ThisisespeciallythecaseforAustraliaandAfrica,ofwhichAPWPsarebestdefinedandnearidentical.ThisindicatesthatthemainamalgamationofEastGondwanaandAfricanblockshaslikelycom-pletedsincetheEarlyCambrian.
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