Located in middle part of the Jinshajiang tectonic belt, 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。
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.
在晚古生代岛弧带、弧前海沟带、弧后盆地或陆缘活动带等构造环境下发育有不同的火山岩组合。
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