秦祁结合部位宝鸡地区早泥盆世香泉A型正长花岗岩年龄、地球化学特征及其构造意义
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Age and geochemical features of the Early Devonian Xiangquan A-type syenogranites from Baoji area at the conjunction of Qinling and Qilian Orogen and their tectonic significance
