oceanic rift

基本解釋

The rift valley over the axial part of an oceanic ridge is the accreting plate boundary.
洋脊中軸裂穀是板塊的創(chuàng)生邊界，是與地球內(nèi)部聯(lián)系最緊密的地表區(qū)域之一。
There are many disputations about the geological setting in Carboniferous of the Bogeda Mountain, such as small oceanic basin, aulacogen, rift or Island-Arc and so on.
對研究區(qū)中、晚石炭世區(qū)域古搆造環(huán)境的認識，目前存在有限洋盆、裂陷槽、裂穀、島弧之爭。
This sequence reflects the development of an incomplete depositional basin that started from extensional fracturing, went through a rift stage and failed before developing into an oceanic basin.
該序列反映了一個發(fā)育不完全的沉積盆地尚未發(fā)展成爲大洋型盆地就衰亡了。