江西省大余县大江地区钨矿找矿潜力分析

Prospecting Potential of Dajiang Tungsten Deposits in Dayu County, Jiangxi Province

江西省大余县大江地区地处南岭钨锡成矿带东段,位于我国石英脉型钨矿产地赣南崇义—大余—上犹矿集区的空白区内。通过在大江地区优选出小坳、刘坑、罗坑三个有利成矿区段,查证发现外接触带石英脉型和脉侧夕卡岩型两类钨矿化并估算了部分资源量。通过对大江地区成矿地质条件、矿床特征及成矿规律的分析研究,从控矿因素、成矿规律、找矿标志与找矿模型浅析了矿区成矿成因,预测大江地区具有较大的钨矿资源潜力。

Dajiang Working areas in Dayu county of Jiangxi Province, which is situated in the eastern nanling of tungsten-tin metallogenic belt , is located in the blank area of Chong-Yu-You ore concentration area in southern Jiangxi where is the most important locality of the quartz vein type tungsten deposits. By the working of the Gannan Geological Survey Team in the Dajiang working areas form 2009 to 2012, the geological worke have optimized the three favorable mineralization section, which is called＆quot;Xiaoao section＆quot;,＆quot;Liukeng section＆quot;,＆quot;Luokeng section＆quot;. And have found out the mineralization types , which are included the external contact zone quartz vein type wolframite mineralization and local vein side skarn type Scheelite mineralization. Meanwhile, to systematically summarize the geological characteristics of tungsten deposits, ore bodies and metallogenic regularity of Dajiang areas in Dayu county and estimate resources reserves of the three mineralization sections with the relatively high degree of work, we can predict that Dajiang areas have the great tungsten resources potential.