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煤是我国的第一能源,在含煤岩系中,与煤共生的还有多种沉积矿产,如油页岩、铝土矿、耐火粘土、赤铁矿、黄铁矿、菱铁矿、锰矿及磷矿等。此外,还有锗、镓、钒、铀、硒等稀有分散元素和放射性元素矿产。这些矿产资源都是含煤岩系中的瑰宝。据统计在煤灰份中某些元素的
Coal is the first energy source in China. In the coal-bearing rock series, there are many sedimentary minerals that coexist with coal such as oil shale, bauxite, refractory clay, hematite, pyrite, siderite, Manganese ore and phosphate rock. In addition, germanium, gallium, vanadium, uranium, selenium and other rare scattered elements and radioactive mineral elements. These mineral resources are gems in coal-bearing rock series. According to statistics in some parts of coal ash