The Aqishan-Yamansu island-arc belt occurred on a wide continental shelfsea in the Visean Stage.
阿齐山—雅曼苏岛弧带发生在维宪期阶段的广阔大陆架海上。
2
Moderate and weak active belt in shelfsea and intercontinental sea.
陆架海中等活动和弱活动带。
3
In the Jurassic and Cretaceous, generally it was also the shelfsea (shallow sea), but there were lacustrine and lagoonal environments in different parts of the basin.