The Togrog granite complex in Gobi-Altay area of Mongolia is mainly composed of granodiorite and diorite.This paper reports that the zircon LA-ICP-MS U-Pb ages of the Togrog granite complex range from 315.2 Ma to 300.5 Ma,belonging to the Late Carboniferous period.The Togrog granite complex is formed in an extensional environment after plate collision,displaying typical characteristics of intermediate acidic magma during the Variscan movement in Gobi-Altay area,Mongolia.
关键词
蒙古国/戈壁阿尔泰/花岗杂岩体/锆石U-Pb年龄
Key words
Mongolia/Gobi-Altay area/granite complex/Zircon U-Pb dating