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jiao liao tai long jin gang shi yuan sheng kuang duo xuan hui cheng kuang zuo yong tao lun
Author(s): 
Pages: 125-135
Year: Issue:  2
Journal: Land & Resources

Keyword:  Jiao-Liao platform uprise Diamond Primary ore Polycycle Metallogensis;
Abstract: The primary diamond zones of Fuxian in eastern Liaoning and Mengyen in western Shandong occured at the secondary upwarping and downwarping joints in Jiao-Liao platform uprise of Sino-Korean paraplatform. Since the late Precambrian, Jiao-Liao platform uprise had undergone Yangtze, the late Caledo nian, Yariscian, Indo-Sinian and yamshan tectonomagmatic cycles. In the polycyelic up and down movement of the platform, because of the mute and horizontal tension by crust, mafic-rich olivine magma welled repeatedly and spirally along the lithosphere fracture, filled up the base mental and overlying strata fracture and formed the kimberlite pipes and veins. The polyeyclic metallogensis of diamonds in Jiao-Liao platform uprise could be divided into four cycles, the Precambrian, Caledonian, Variscian and Yanshan, all of which except the Precambrian were very important.
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