Its tectonic environment may be the spreading ridge of a small oceanic basin at the start.
其构造环境可能为小洋盆初始扩张时的扩张脊。
The sedimentary environment of the chert reflects the tectonic setting of the small oceanic basin in Late Jurassic.
硅质岩的形成环境反映了该陆缘小洋盆在晚侏罗世所处的构造背景。
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.
对研究区中、晚石炭世区域古构造环境的认识，目前存在有限洋盆、裂陷槽、裂谷、岛弧之争。
应用推荐