Geochronology, petrogenesis and tectonic significances of the Baishitouquan pluton in Middle Tianshan, Northwest China
中天山白石头泉岩体年代学、岩石成因及构造意义

The Baishitouquan(BST)granite pluton is situated in the gobi area of Hami County,Xinjinag Uygur Autonomous Region,northwestern China.This pluton exhibits five lithological zones gradational from the bottom upwards:leucogranite(zone a), amazonite-bearing granite(zone b),amazonite granite(zone c),topaz-bearing amazonite granite(zone d)and topaz albite granite (zone e).Preview studies have shown that this pluton was formed overwhelmingly by crystallisation from a melt and magma crystallisation was commenced fr...