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地球学报  2003 

柯树背岩体的副矿物特征及地质意义

Keywords: 柯树背岩体,钾长石结构态,岩石学特征,副矿物特征,锆石群型

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Abstract:

本文详细研究了柯树背岩体的岩石学及副矿物学特征,研究发现F9大断裂以西部分(西体)与F9大断裂以东部分(东体)在岩性、矿物组成、副矿物特征、锆石群型特征上存在很大差别,副矿物特征、锆石群型特征指示东体与寨背岩体类似,为同熔系列花岗岩;西体为重熔再生岩浆成因的改造型花岗岩。这一认识对于该区的铀金找矿具有一定的指导意义。

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