extensional marginal basin的意思|示意

According to the sedimentological evidences the paper believes that Qiangtang basin was a continental marginal basin during middle Jurassic time and was at an extensional architectonic setting.

论文用沉积学证据论证了羌塘盆地中侏罗世时期的盆地性质为陆缘盆地，存在于伸展性的大地构造背景。

The Okinawa Trough (OT) is the solitary active backarc basin in the world that is formed by extensional rifting in the continental marginal zone and is in the early stage of evolution.

冲绳海槽是当今世界上唯一的在大陆边缘张裂形成的、处于早期演化阶段的活动性大陆边缘弧后盆地。