Geochemical characteristics and tourmaline_and muscovite_bearing rock associations suggest that Jinningian deformed granites in Alax area were formed in the syn_collisional setting .
地球化学特征和含有电气石、白云母的矿物组合特点表明,阿拉善地区晋宁期的变形花岗岩形成于同碰撞构造环境。