carboniferous limestone

常见例句

The hills are largely carboniferous limestone, which is quarried at several sites.
从多处遗址的挖掘来看，这片丘陵大部分属石炭纪石灰岩。
The main Mg-carbonate body is hosted by Carboniferous limestone and dolomitic limestone, while footwall black schists contain thin carbonate lenses replaced by Fe-carbonates.
其镁质碳酸盐矿体赋存于石炭纪石灰石和含白云石的石灰石中，同时下盘黑色片岩中也含有被铁质碳酸盐交代的薄层碳酸盐透镜体。
The Carboniferous limestone system are thin layers of limestone. Those which influence coal extraction are mainly single layers of limestone over 4m thick at the bottom of Taiyuan System.
石炭系灰岩为薄层灰岩，对煤层开采有影响的灰岩主要是太原统底部单层厚度超过4米的灰岩层。