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辽宁省有火山岩7000km~2,岩垣3条,大型锥火山50个,火山丘80余个,边缘带上都有间歇期沉积煤系赋存,成煤空间局限火山边缘带,时间局限间歇期。煤系具火山-沉积成岩、多变、多层次、依赖火山特点,属新的火山成煤类型。愈往西北岩体愈大,煤系呈愈发育的趋势。煤层发育在火山岩系顶、底部,可采煤层厚1—37.49m。煤种齐全,埋藏的数量和广度均大,具有重要的经济价值。找煤方向为各岩体边缘并围绕中心旋转一周。
There are 7,000km ~ 2 volcanic rocks, 3 rocky volcanic rocks, 50 large cone volcanoes and more than 80 volcanic hills in Liaoning Province. There are intermittent sedimentary coal-bearing strata in the marginal belt and confined volcanic margins in the coal-formed space with limited time interval. Coal-bearing volcano - sedimentary diagenesis, changing, multi-level, dependent on volcano characteristics, is a new type of volcanic coal. The greater the rock mass in the northwest, the more the coal series shows a trend of more development. The coal seam develops at the top and bottom of the volcanic rock series, and the coal seam thickness can be 1-37.49m. Coal is complete, the number and breadth of the burial are large, with important economic value. Find the coal for the rock edge and around the center of a week.