carboniferous limestone

常見(jiàn)例句

The hills are largely carboniferous limestone, which is quarried at several sites.
從多處遺址的挖掘來(lái)看，這片丘陵大部分屬石炭紀(jì)石灰?guī)r。
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(zhì)碳酸鹽礦體賦存于石炭紀(jì)石灰石和含白云石的石灰石中，同時(shí)下盤(pán)黑色片巖中也含有被鐵質(zhì)碳酸鹽交代的薄層碳酸鹽透鏡體。
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?guī)r為薄層灰?guī)r，對(duì)煤層開(kāi)采有影響的灰?guī)r主要是太原統(tǒng)底部單層厚度超過(guò)4米的灰?guī)r層。