单词	carbonatite
释义	carbonatite /kɑːˈbɒnətʌɪt / noun Geology A lava or other igneous rock composed chiefly of carbonates rather than silicates: unusual magmas such as carbonatites [mass noun]: carbonatite is rich in calcium carbonate... Next in abundance, although rare in comparison to silicate rocks, are carbonate-based magmas and lavas known as carbonatites, which have little (less than 15 per cent by weight) or no silica content. Indeed, pegmatites from gabbros to granites to carbonatites to anorthosites are known. It consists of gabbroic, ultramafic and alkaline rocks, mafic dyke swarms and carbonatites.
随便看	ADSL adsorb adsorbability adsorbable adsorbate adsorbent adsorption adsorptional adsorption chromatography adsorption isotherm adsorptive adsorptively adsorptivity adspeak adstipulate adstipulation adstipulator adstratal adstrate adstratum adsum ADT aduki adularia adulate

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