设某一岩浆岩手标本岩块，经表观和放大镜观察鉴别，其中主要矿物成分为正长石，角闪石、黑云母等粒结构，试鉴定其岩石类别为（） -题库考试答案搜索网

设某一岩浆岩手标本岩块，经表观和放大镜观察鉴别，其中主要矿物成分为正长石，角闪石、黑云母等粒结构，试鉴定其岩石类别为（）

单选题

2021-07-17 23:34

A、花岗岩
B、闪长岩
C、正长岩
D、辉绿岩

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正确答案

C

试题解析

标签：地质学专升本普通地质学 2020级第一学期期末考试期末考试构造地质学 2019级第三学期期末考试资源勘查工程道路桥梁与渡河工程工程地质 2019级毕业清考（考试分）

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