栖霞市西陡崖矿床地质特征及找矿方向

Geological Characteristics and Exploration Direction of Xidouya Deposit in Qixia City of Shandong Province

西陡崖金矿为台前-陡崖成矿带上又一新发现的金矿床,该金矿受台前-陡崖断裂带严格控制,矿体呈脉状、透镜状;矿床平均品位3.96×10-6,平均厚度1.67 m;围岩蚀变主要有黄铁绢英岩化,矿石中金属矿物主要为银金矿、自然金,黄铁矿等,矿床属岩浆期后中低温热液交代破碎蚀变岩型矿床。通过分析研究,西陡崖金矿在深部及外围找矿前景较大。

Xidouya gold deposit is another newly discovered gold deposit in Taiqian-Douya ore-forming belt.This gold deposit is strictly controlled by Taiqian-Douya fault belt.Its ore bodies are vein type and lenticular type.The average grade of this deposit is 3.96×10-6,and the average thickness is 1.67m.Its alterations of country rocks are mainly pyrite phyllic alteration,and ore minerals are mainly silver metallic gold,native gold and pyrite etc.,This deposit is low-temperature hydrothermal alteration type deposit formed after the magmatic stage.Through analysis and study,there is a large ore prospecting future in deep part and arounding areas of Xidouya gold deposit.