内蒙古赛乌素金矿床成矿地质特征及找矿预测

赛乌素金矿床位于华北板决北缘、狼山-白云鄂博裂谷带白云鄂博群浅变质岩系内.矿床成因属浅成中低温热液型金矿床,矿石类型以石英脉型为主,尖灭再现、膨大收缩、雁列侧伏特征明显.区内哈拉忽鸡复背斜及EW、NW向断裂为主要控矿构造,具多期性、叠加性特点.根据区域金成矿规律、控矿地质条件、探采对比以及隐伏矿体的发现,证实南北矿带具备中深部和边部找矿潜力.

GEOLOGICAL FEATURES AND PROSPECTING FORECAST OF THE SAIWUSU GOLD DEPOSIT, INNER MONGOLIA

Saiwusu gold deposit, located in the Langshan to Bayan Obo rift at the north margin of North China platform, is hosted in the Bayan Obo group epi - metamorphic rocks. Genesis of the deposit belongs to shallow, low - to - moderate temperature hydrothennal type. Quartz veins are the main type of ore mineralization. The orebodies obviously show characteristic of thin out reappearing, side appearing, and lateral lying. The Halahuji anticlines, EW - and NW - direction faults in the area are main ore - controlling structures, which present features of multistage and superposition. According to the regional metallogenic regularity, ore - controlling conditions, comparison of prospecting and mining, and buried ore finding, it is considered that SN mineralization belt shows a great prospecting potential in the deep and marginal area.