During late late Cretaceous-Eocene, volcanicislandarc moved eastward and the east China Sea shelf basin was turned into a back-arc basin.
晚白垩世晚期—始新世,火山岛弧向东移动,东海陆架盆地变为弧后盆地。
2
From the suture line towards the north, an andesite line along Sharburti Mountain was the volcanicislandarc developed from middle Ordovician to middle-late Silurian.
由缝合线向北,沙尔布尔提山安山岩线是中奥陶世至中、晚志留世发育起来的火山岛弧。
3
Its provenance is the Dawazi volcanicisland-arc on the west side.