在我国与煤(矿产)共生、伴生的矿产种类多、分布广、资源相对丰富。已知与煤共生、伴生的矿产以及在煤中赋存的有工业价值的稀有分散元素、煤层气和富油煤等等,都具有很高的经济价值。此外,在含煤岩系中,含有高岭土(岩)、耐火黏土、铝土矿、膨润土、硅藻土、石墨、硫铁矿、油页 In our country and coal (mineral) symbiosis, accompanied by many types of minerals, widely distributed, the relative abundance of resources. It is known that the symbiosis with coal, accompanying minerals, rare industrial dispersible elements that occur in coal, CBM, and oil-rich coal are all of high economic value. In addition, the coal-bearing rock series contains kaolin (rock), refractory clay, bauxite, bentonite, diatomaceous earth, graphite, pyrite,