新疆北部古生代可划分为3大古板块：西伯利亚板块、哈萨克斯坦板块和塔里木板块。3个板块之间存在的大洋分别是准噶尔－北天山大洋和南天山大洋。正是这些板块和已经消失了的大洋壳之间的相互作用，决定了该区大地构造演化的基本特征，控制着大地构造格局和矿产分布。古生代新 The Paleozoic in northern Xinjiang can be divided into three major ancient plates: the Siberian plate, the Kazakhstan plate and the Tarim plate. The ocean that exists between the three plates is the Junggar - the North Tianshan Ocean and the South Tianshan Ocean. It is the interaction between these plates and the disappearing oceanic crust that determines the basic characteristics of the tectonic evolution of the area and controls the tectonic framework and mineral distribution. Paleozoic new