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据苏联《煤》杂志1983年第九期报道,苏联卡拉干达煤炭公司列宁矿,开采三层煤,厚度分别为5.6米、1.4米和2.5米,倾角为8～27度,直接顶和底板为松散的泥质页岩,易吸水膨胀,老顶为粉砂岩和砂页岩,矿井有煤尘爆炸以及煤和瓦斯突出危险,厚煤层有自然发火现象。该矿采用传统的的掘进方式掘进,月进度为50～70米。
According to the Soviet Union, “Coal” magazine in 1983 ninth report, the Soviet Union Karaganda Coal Company Lenin mine, the exploitation of three coal, the thickness of 5.6 meters, 1.4 meters and 2.5 meters, dip 8 to 27 degrees, direct top and floor Loose shaly shale, easy to water swelling, the old top silty sand and sand shale, coal dust explosion and coal and gas outburst danger, thick spontaneous combustion phenomenon. The mine using the traditional way of driving tunneling, the monthly progress of 50 to 70 meters.