青海省都兰地区矽卡岩型铁多金属矿地质特征及成矿规律

Geological Characteristics and Metallogenic Rules of Skarn-Type Iron-Polymetallic Deposits in Dulan Area,Qinghai Province

青海省都兰地区分布着大量的矿产资源,其中酸性以及碳酸盐地层(华力西期)二者相互交接的部位是区内矽卡岩型多金属矿的主要产出区域。矽卡岩型铁多金属矿,主要规模为中小型,但品位较高,具有非常多的矿床点。同时由于矿体埋藏深度的不断加深,其磁化率反而呈现减少之势,约向深部铅锌元素更加富集,提示区内找矿潜力巨大。

There are a lot of mineral resources distributed in dulan area of Qinghai province,where acid and carbonate strata( Hualixi period) intersect with each other,which is the main production area of skarn polymetallic ore in the area. Skarn-type iron polymetallic ore is mainly small and medium in scale,but with high grade and many ore deposits. At the same time,due to the deepening of the buried depth of the ore body,the magnetic susceptibility of the ore body is on the contrary showing a decreasing trend,and the lead and zinc elements are more enriched to the deep part,which indicates that there is great potential for prospecting in the area.