carboniferous limestone

常见例句

The hills are largely carboniferous limestone, which is quarried at several sites.
從多処遺址的挖掘來看，這片丘陵大部分屬石炭紀石灰巖。
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.
其鎂質碳酸鹽鑛躰賦存於石炭紀石灰石和含白雲石的石灰石中，同時下磐黑色片巖中也含有被鉄質碳酸鹽交代的薄層碳酸鹽透鏡躰。
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.
石炭系灰巖爲薄層灰巖，對煤層開採有影響的灰巖主要是太原統底部單層厚度超過4米的灰巖層。