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《Geotectonica Et Metallogenia》 2003-03
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YANG Xin-yi (Guangzhou Institute of Geochemistr y,Chinese Academy of Sciences,Guangzhou510640,China)  
The intracontinental platform acti vization-orogenesis is the kernel i dea of the diwa theory(namely the activated tectonic theory).As a geosciences revolutionary,pl ate tectonic theory negnates the cla ssic geosyncline orogenesis.After the plate theory h as been involved into the geotectoni c study of South China for almost tweenty years,a new model of the intraplate b ack-arc orogeny breaks through the c lassic plate collision orogenic mod el,and comparison between the activated te ctonics and the multi-island-sea in traplate deformation is discussed.As the third geotectonic type besides the p latform region and marginal continental orogen,the intracontinental a ctivated orogenic region is existent and of in itiative.The relationship between the diwa theory or activated tectoni c theory and the plate theory is not oppose or e xclusive,but to learn from each other to make up deficiencies.Only thus c an the geotectonic theories of China be innovated,refreshed and developed.