湘西锰矿成因研究

锰是我国重要战略金属矿产，自2011年开始实施的找矿突破战略行动，截止2017年底，锰矿新增资源储量10.73亿吨，完成十年新增15亿吨目标的72%。新增资源储量中，位于湘黔渝锰成矿域的贵州铜仁松桃锰矿整装勘查区新增了5.64亿吨，占全国新增资源储量的53%，取得了重大突破，但紧邻的湘西地区却进展迟缓，近年来新增锰矿资源量较少，与贵州铜仁地区形成了巨大反差，究其原因，可能是在矿床成因、控矿规律以及找矿方向等方面存在认识不足。本次采用地质矿体研究方法，将湘西大型矿床民乐锰矿作为典型矿床进行了重新研究，得出湘西锰矿为热液型的结论，并提出了新的找矿思路和方向。

Study on the genesis of manganese ore in Western Hunan

Manganese is an important strategic mineral in China. The national exploration and development planning has been carried out in 2011 and the reserves added of the manganese ore reserves was 1.073 billion tons during the 2011-2017 season. The target of manganese over 10 years was achieved by 72%. The junction of Hunan, Guizhou and Chongqing is an important area for manganese mineralization. The Tongren songtao exploration area which is located in this domain increased 564 million tons of manganese ore. The figure represents 53 percent of the national new reserves. However, the progress in the adjacent western Hunan region has been slow, showing the great contrast with Tongren region of guizhou province. This may be due to the lack of understanding of the genesis of ore deposits, ore control regularity and ore prospecting direction. In this paper, the Minle manganese ore deposit, a large deposit in western Hunan, is restudied as a typical ore deposit by using the method of geological ore body research. The result shows that the manganese ore in western Hunan is hydrothermal manganese ore, and it can provide a new idea and direction for prospecting work.