The minerogenetic model of xikuangshan type copper deposit can be concluded that : in jinningian - chengjiangian , the activity of xiaojiang discordogenic fault form dextrorotation sub - structure in dongchuan ore area 昆阳裂谷内的多数铜矿同位素成矿年龄多集中在9 . 0亿6 . 5亿年之间，属于晋宁-澄江期，与rodina大陆裂解时限相当。
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