The former can be divided into granular and crystal grain limestone, while the latter includes clastic and shaly crystal dolomite.
研究认为，该区碳酸盐岩可划分为石灰岩和白云岩两大类。石灰岩可划分为颗粒灰岩和晶粒灰岩两类；
The types of Carboniferous carbonate rocks in Tazhong area include grain limestone, grain dolomite and muddy to micritic dolomite.
塔中地区石炭系碳酸盐岩主要岩类为颗粒灰（云）岩和泥粉晶白云岩。
The Leeds and Liverpool Canal, Britain's longest man-made waterway, was constructed between 1770 and 1816 and carried coal, limestone, wool, cotton, grain and other farm produce.
英国最长的人造水道，利兹-利物浦运河，构建于1770年和1816年之间，曾为运输煤炭，石灰石，羊毛，棉花，谷物和其他农产品的干道。
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