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《Chinese Geology》 2004-01
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Time-space structure and evolution of the arc-basin system on the southern side of the Bangong Co-Nujiang junction zone

CAO Sheng-hua,LUO Xiao-chuan,TANG Feng-lin,CHEN Lu-gen (Jiangxi Institute of Geological Survey,Nanchang330201,Jiangxi,China)  
On the basis of1 ∶ 250000mapping of the Boindoi Sheet and Comai Sheet,the time-space structure and evolution of the arc-basin system on the southern side of the Bangong Co-Nujiang junction zone is analyzed by using the archipelagic arc orogeny model.The authors believe that during the Middle-Late Jurassic and Early Cretaceous an archipelagic arc-basin system formed on the southern side of the Bangong Co-Nujiang ocean concomitantly with its southward subduction and extinction,and that during the late Early Cretaceous to Late Cretaceous the arc-basin system evolution on the southern side of the Bangong Co-Nujiang junction zone ended through remnant sea basin sedimentation,closing and subduction,and subsequent collisional orogeny.
【Fund】: 中国地质调查局国土资源大调查项目(20001300014)资助。
【CateGory Index】: P542.2
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