Rifting cycle and storeyed texture of copper deposits and their geochemical evolution in Kangdian re

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Along with the evolution of the earth crust, in the south of Kangdian Axis the polycyclic rifting occurred: Ptd-Ptk, Jinshajiang continental margin sea type aulacogen, Ptk2Dongchuan-Yimen intercontinental aulacogen, Z Chengjiang postorogenic rift and T3-E
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