甘南早子沟金矿构造特征分析

早子沟金矿位于秦岭造山带西段夏河一合作金成矿带上，矿床成因类型为岩浆期后中一低温热液（交代）构造蚀变岩型金矿床。矿区成矿作用与构造关系密切，本文运用数学和动力学方法对矿区构造的特征进行了研究，探讨了矿区构造控矿规律。构造趋势面分析显示矿区矿体的形态明显受断裂面形态控制，断裂面的凸峰及凹谷区是矿体赋存的主要为位置，矿体侧伏方向受断裂面在空间上的侧伏方向制约。构造因子分析显示矿化强度同断层构造带宽度高度相关，其次是构造带外侧围岩、小断裂条数及矿化节理出露的面积。

Analysis of Geological Structures in Zaozigou Gold Deposit of Gansu Province

Situated in the Xiahe-Hezuo gold mineralization zone of Qinling orogenic belt, Zaoigou gold deposit is a magmatic-epithermal altered rock type gold deposits closely related to structures. By means of mathematical and dynamics method, the paper discussed the pattern of ore-control structures. Surface analysis of structural trend showed that the shape of ore bodies are apparently controlled by surficial shape of structures, most ore bodies occurred in convex and protruding position, the pitch of ore bodies are subjected to fault interface. The tectonic factor analysis displayed the same fault structure width of mineralization intensity is highly correlated, followed by construction with the outer wall rock the small fracture number and mineralization joints area.