洮河裂陷槽位于西秦岭合作—岷县断裂和腊子口—武都断裂之间的过渡地区,是以三叠系浊流沉积碎屑岩建造为主的重要金矿成矿带,后期构造活动相对较弱。通过对区内地质背景、地球化学特征和典型矿床特征的对比,分析了裂陷槽内金矿床成矿地质条件。认为三叠系碎屑岩地层是金的矿源层,地球化学异常是寻找该类矿床的直接标志,EW向和NW向断裂交汇部位的局部小规模褶皱、断裂和小岩脉的发育程度是矿体富集的决定因素。 The Yinghe fissure trough is located in the transition zone between the West Qinling-Minxian fault and the Lazikou-Wudu fault and is an important gold mineralization belt dominated by the Triassic turbidite sedimentary clastic rock. Later, Tectonic activity is relatively weak. By comparing the geological background, geochemical characteristics and typical deposit features in the area, the metallogenic geological conditions of the gold deposits in the fractured trough are analyzed. It is considered that the Triassic clastic rock strata are the gold mineralization source. Geochemical anomalies are direct indications of this type of deposit. Local small-scale folds at the intersections of the EW and NW fractures are characterized by the development of faults and small veins Determinants of enrichment.