某地区岩浆岩的测定及其地质意义  

Determination of Magmatic Rocks in An Area and Its Geological Significance

作　　者：李英丽 王洪超 LI Yingli;WANG Hongchao(The 5th Geological Survey Institute of Heilongjiang Province,Harbin 150000,China)

机构地区：[1]黑龙江省第五地质勘查院,黑龙江哈尔滨150000

出　　处：《有色金属设计》2022年第1期75-77,共3页Nonferrous Metals Design

摘　　要：该文选取某地区岩浆岩作为研究对象,对岩浆岩的形成时代、岩石成因、岩浆源区以及形成的大地构造背景进行讨论,重新厘定花岗岩形成时间,恢复多个火山机构,为探索大陆地壳的构造演化提供了指导意义。This paper discusses the formation age,occurrence,magma source area and geotectonic background of the magmatic rocks in intersection area of Zhangguangcailing-Wandashan mountains,redefines the formation time of the granites,and restores several volcanic institutions,providing a direction for exploring tectonic evolution of the continental crust.

关 键 词：侵入岩 火山岩 脉岩 张广才岭-完达山脉 

分 类 号：P588.1[天文地球—岩石学]