basement rock造句怎么写

2、Precambrian rocks are described as "basement rocks" because they are usually buried deep under the surface.

1、Due to basement rock rigidity, basement thrustuplift zone and northern Sichuan paraforeland zone have marked disparity in the process of adjusting structural balance.

3、The Kongling Complex consists of basement rocks, supracrustal rocks and some mafic rocks occurring as lenses, boudins or layers.