东昆仑造山带岩浆岩出露面积巨大 ,构成规模宏大的东昆仑岩浆弧带 .侵入岩以海西—印支期为主体 ,少量加里东期、燕山期岩浆活动[1～3] .在进行冬给措纳湖幅 1∶2 5万填图过程中 ,在东昆仑造山带东段发现晋宁期侵入岩 .晋宁期侵入岩分布于东昆仑造山带北侧的东昆北岩浆弧带内瓦 The East Kunlun orogenic belt has a huge exposed area and constitutes a large-scale eastern Kunlun magmatic arc belt. The intrusive rocks are dominated by Hercynian-Indosinian with a small amount of Caledonian and Yanshanian magmatism [1 ~ 3] During the 1: 250,000 mapping of the Tolo Lake, a Jinning-period intrusive rock was found in the eastern segment of the East Kunlun orogenic belt, and the Jinning-period intrusive rock was distributed in the east-north-northern magmatic arc in the north of the East Kunlun orogenic belt watt