Faunal assemblage are directly related to the depositional environment .

动物群落与沉积环境有直接关系。

Like most other islands in the bahamas , cat island is located on a large depositional platform that is composed mainly of carbonate sediments and surrounding reefs .

和巴哈马其他许多岛屿一样，卡特岛位于一个主要由碳酸盐沉积物构成的巨大台地上，周围被珊瑚礁环绕。

At chilga we found palm fossils in rocks all over the depositional basin - they were ecologically important 27 million to 28 million years ago .

在chilga我们在整个沉积盆地的岩石中都发现了棕榈化石它们在2700万到2800万年前有着重要的生态作用。

The critical aspects of each depositional system are covered using worldwide examples .

利用世界各地的例子探讨每个沉积体系的关键几个方面。

By summarizing the main sources of major ions in princess elizabeth land , antarctica , the transmission process and depositional styles of major ions are studied .

通过对南极洲伊利莎白公主地区冰雪中几种主要离子资料的分析，结合前人的工作对本地区主要离子的来源、传输过程和沉积方式做了初步探讨。