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。
Qijia-Gulong depression is master source area of oil and gas in Songliao Basin, a part of oil and gas from the source is held up in the depression, the other migrates to west clinoform zone.