Continental shelf environment的意思|示意

The geochemical characteristics of the metabasalt agree with those of continental rift type volcanic rocks, forming a tectonic environment of the active shelf rift basin.

变质玄武岩的地球化学特征与大陆裂谷型火山岩一致，形成于活动陆棚裂陷（谷）盆地的构造环境。

In the last stage of the Late Pleistocene, the main features of the sedimentary environment in China continental shelf were cold and dry.

在晚更新世末期，中国陆架环境的最显著特点是寒冷而干燥。