Tectonic Evolution Of South China Sea And Control Of Sedimention And Subside

Process of of South China Sea tectonic evolution is a great system.The paper lead out some new harvest and conclusion:(1)Firstly the paper base on mechanics analysis educe the conclusion that the south china sea expanding lead sundeland“stress vacuity”,the“stress vacuity”ensure the Indochina extrusion and escape.But not the extrusion and escape of Indochina cause South China Sea expanding.(2)Based on analyzed the palogeomagnetism,the paper recognise out the Southern China block is not stable but move north for six hundred to eight hundred kilometre from 65 million years to now used the method of reduction to absurdity.(3)Base on Biniof under sundeland,the pwper put forward a model of convection induce the mantle plume incline.The Two-Layer mantle convection model be validated by The seismic CT method on Java Biniof.he Two-Layer mantle convection model tell us that expanding center can leading one cell on the Biniof slab,and the dominate scope can leading two cell than the Biniof slab.That would be 1000km.(4)The incline mantle plume which can control to the Sanshui basin before 50Ma.Base this we put forward the conclusion -South China Sea is a marginal sea be controled by Java Biniof.Back-arc expanding is the cause of South China Sea opened.(5)The friction force of Dien Bien Phu slit and slit of Western-Brim of South China Sea start-up Indochina block.the paper thing the Yinggehai basin should pass 4 phase evolution.Circumgyrate would not the reason why Yinggehai basin opened.Yinggehai basin should be a Narrow-Rift-Valley with friction force start-up and go with lithosphere slippage.(6)Base on earthquake section we find out 48 reef sediment in the west Xisha basin.(7)Before 15Ma,the high pressure of hydrous mantle control by Java Biniof resist the Asthenosphere underneath tibet which be apt to flow to south China Sea,but after 15Ma,the high pressure retrogression and Asthenosphere flow southeast.Decoupling crust-mantle made Dien Bien Phu slit play a sinistral slippage.