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基金项目:
徐安中
江苏省地质勘查局第六地质大队
摘要:
      中上元古界云台群中的石英岩类、某些片岩类是含蓝晶石的层位。与蓝晶石共生的黄玉、天蓝石、磷钙铝石、叶腊石、金红石等矿物构成高压变质带里原岩为泥质、泥砂质的白片岩或类白片岩的一套矿物组合。它们将成为今后岩石学研究的新领域,同时也是今后寻找金刚石、刚玉、磷、镁等矿产的线索之一。
关键词:云台群,蓝晶石,石英岩,片岩,江苏北部
Abstract:
      Quartzite and some shistose of Yuantai Formation of Middle Upper Proterozoic are kyanite bearing beds. The associated minerals are topaz, lazulite, gorceixite, pyrophyllite, rutile etc. which constitute a suit of mineral assemblage of muddy or muddysandy muscovite schist in high pressure metamorphic belt. The result develops new field for petrological research and provide clues for the prospecting of diamond, topaz, phosphorous and magnesium deposits.
Keywords:Yuntai Fm Kyanite Quartzite Schist Northern Jiangsu
徐安中.苏北云台群含蓝晶石岩石矿物组合特征及其地质意义[J].地质学刊,1998,22(1):10-14