Many carbonate masses older than Middle Palaeozoic are of dolomite rather than calcite.
中古生代以前的许多碳酸盐类矿物是白云石而不是方解石.
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Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.
多数白云石显然是原来方解石交代的结果,但肯定不是全部.
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They are made from different materialmdashmdash ; dolomite, tough silk, organdie etc.
它们是用不同的材料做的, 白云石 、 绡 、 蝉翼纱等.
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They are made from different materials -- dolomite , tough silk, organdie, etc.
它们是用不同的材料做的, 白云石 、 硬丝 、 蝉翼纱等.
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Locally dolomite and anhydrite are important as cements , together with minor authigenic quartz.
在局部地方白云石和硬石膏也是重要的胶结物;还有少量自生石英.
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Dolomite minerals are the characteristic part in Changjiang but few in Huanghe.
白云石在黄河中极为少见,但却是长江沉积碳酸盐中具有特色的组分.
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Dolomite is a common mineral, its reserves are abundant in our country.
白云岩是一种常见矿产, 我国的储藏量十分丰富.
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Pingshang dolomite sub-factory is a franchise of various building materials of stone.
坪上白云石子厂是一家专营各种建材石料.
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Commonly the dolomite crytals form a framework with evenly distributed porosity.
通常白云石晶体构成格架,它有均匀分布的孔隙.
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The new comprehensive utilization technology of phosphatic dolomite is discussed.
论述了含磷白云石的综合利用新工艺.
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We specializes in producing quality craft dolomite flowerpot and hand paint flowerpot.
本厂专业生产各式白云土轻质花盆及优质漆彩花盆.
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The contrast table of the poorest compensated results in shale, sandstone, and dolomite was given.
给出了特定扩径条件下在泥岩 、 砂岩和白云岩扩径层段双发双收声系最差补偿效果的对比数据.
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十二烷基磷酸酯作为捕收剂浮选分离菱镁矿与白云石的探索
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显性石漠化表现为高的岩石裸露率，复杂多样的小生境，浅薄零星的土壤，多为纯质石灰岩和白云质石灰岩或石灰质白云岩发育。
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Dolostone ( dolomite) chemical name is calcium magnesium, is a non-metallic mineral.
白云岩（白云石）化学名称是碳酸钙镁，属非金属矿产。
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碳酸岩是一种富含碳酸盐矿物（方解石，白云石，铁白云石等>50%以上）的火成岩。
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流体与储集岩作用的直接结果是方解石和白云石沉淀到储集岩中，它们将占有原岩的部分孔隙空间，形成胶结物，进而形成钙质结壳。
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