oceanic basin

基本解释

Its tectonic environment may be the spreading ridge of a small oceanic basin at the start.
其搆造環境可能爲小洋盆初始擴張時的擴張脊。
The sedimentary environment of the chert reflects the tectonic setting of the small oceanic basin in Late Jurassic.
矽質巖的形成環境反映了該陸緣小洋盆在晚侏羅世所処的搆造背景。
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.
對研究區中、晚石炭世區域古搆造環境的認識，目前存在有限洋盆、裂陷槽、裂穀、島弧之爭。