岩层的英文：
terrane

permeable membranes;rock that is permeable by water.
渗透膜;被水渗透的岩层

The plateau sloped down, to the south, toward outcroppings of rock that gave the landscape a chaotic look
高原缓缓地倾斜下去，南边为一片露出地面的岩层，呈现出一种乱石嶙峋的地貌。

In the Ostra Field, Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation
委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。

An anticlinal fold in which a mobile core,such as salt or gypsum,has pierced through the more brittle overlying rock.
活动的岩蕊在一背斜褶曲内活动的岩蕊(如像盐或石膏)突破了较脆的上覆岩层

Shale underlies coal.
页岩层在煤层之下。

This rock formation feathered out
这一岩层的末端凹凸不平。

Shale underlies the coal.
页岩层在煤层下面。

These layers are called strata.
这些岩层被称作地层。

Impenetrable rock
不能贯穿的岩层

The red rock layers on both sides of the inclined plane vere originally one continuous layer.
在那个倾斜面的两侧的红色岩层原来是一个连续的岩层