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D10i7旨中华人民共和国国家标准GB/-1998岩石分类和命名方案变质岩岩石的分类和命名方案ClassificationandNomenclatureSchemesofTheRocksClassificationandNomenclatureSchemesofmetamorphicRock1998一06一17发布1999一01一01实施国家质量技术监督局发布Gs/-1998目次前言·.......................................................................................................................皿1范围······。。····················⋯⋯12术语定义··············。·····。····一13符号和缩略语···············。·····一24变质岩分类和命名的一般原则·...................................................................................25变质岩的分类·················⋯⋯36轻微变质岩类·············⋯⋯37板岩类·................................................................................................................48千枚岩类·····················⋯⋯49片岩类·····················⋯⋯·.............................................................................................................812石英岩类·........................................................................................................·一913角闪岩类·...........................................................................................................10工4麻粒岩类............................................................................................................n15榴辉岩类...........................................................................................................1216铁英岩类···················⋯.1217磷灰石岩类(变质磷块岩类)······⋯⋯1218大理岩类·...........................................................................................................1319钙硅酸盐岩类·,·············⋯⋯1420碎裂岩类·····················⋯⋯1521糜棱岩类,.····················⋯⋯1622角岩类·······················⋯⋯1623矽卡岩类·····,············。··⋯1724气一液蚀变岩类.................................................................................................·一1825混合岩类····················⋯⋯加GB/-19981范围本标准规定了变质岩的分类依据和原则,制定了变质岩岩石分类和命名方案。本标准适用于地质勘查中的变质岩岩石鉴定,也适用于地质教学和科学研究工作。2术语定义本标准采用下列定义。,由于受到构造运动,(或基本保持固态)情况下发生矿物成分、结

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