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尾亚椭圆形复式岩株位于兰新铁路尾亚车站一带，距哈密市约１４０ ｋｍ。在构造上位于卡瓦布拉克微地块中部几个大构造线交切处的构造软弱部位。它是由尾亚超单元和环形山超单元组成的典型环状杂岩体（称尾亚超单元组合）。经对其地质特征研究，前者由深源碱性的碱性辉长岩－石
Tail oval double rock type is located in the end of Lanzhou-Xinjiang railway station Ya station, about 140 km from Hami. Tectonic weaknesses in the intersections of several large structural lines in the middle of the Kawabulac micro-mass. It is a typical annular complex composed of the Tailunya superunit and the craters (called the Tailunya superunit unit). The study of its geological features, the former by the deep alkaline alkaline gabbro - stone