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《长春地质学院学报》 1994-01
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A DISCUSSION ABOUT THE COLLISION TIME BETWEEN NORTHERN CHINA PLATE AND YANGZI PLATE

Shen Haoche;Kang Weiguo;Liang Wantong(Test Centre)(Department of Earth Sciences)  
The Northern China plate and the Yangzi plate are two independenceplates with different evolutionary histories.There is a high pressure metamorphic beltbetween the North China plate and Yangzi plate,which consists of blueschist,whiteschist and eclogite.The high pressure metamorphic belt occurred in Proterozoicstrata.Eclogite and some high prcssure metamorphic minerals such as glaucophane andphensite were the typical products formed by the collision between the two plates.Theirisotopic ages,which are in 210~240 Ma and dated by  ̄(40)Ar- ̄(39)Ar method and Sm-Ndmethod,may rcpresent the collision time,Thcrefore, the main collision time between theNorthern China plate and Yangzi plate is in Indosinian(210~240 Ma).
【CateGory Index】: P542.4
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