Located in middle part of the Jinshajiang tectonicbelt, the Yangla copper orefield was in the clinoform area of an active continental margin.
滇西羊拉铜矿区位于金沙江构造带中部，当时处于活动大陆边缘的半深水斜坡之上。
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Under the tectonic backgrounds of island arc belt, fore - arc trench belt, back - arc basin, and epicontinental active belt of late Paleozoic, it has different volcanic rock characteristics.