Users' guide to PETROG: AGSO's petrography database
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PETROG, AGSO's Petrography Database, is a relational computer database of petrographic data obtained from microscopic examination of thin sections of rock samples. The database...
PETROG——AGSO旗下岩相学数据库（Petrography Database）——是一套基于岩石样品薄片显微观测所得岩相学数据搭建的关系型计算机数据库。该数据库……
