摘要
通过对大同塔山井田正常煤与接触变质煤的反射率及主要煤质指标、煤化学性质及工艺性能的对比,探讨了煌斑岩侵入对煤层煤质的影响及其原因。
Comparing the reflect ratio, main coal qualities＇ indexes, coal chemical properties and technics ones for normal coal with contacting metamorphic coal, lamprophyre invasion＇s effects on coal seam and its qualities and invasion reason were explored.
出处
《山西煤炭》
2007年第2期17-20,共4页
Shanxi Coal
关键词
塔山井田
煌斑岩
煤质
影响
Tashan coal-field
lamprophyre
coal quality
effect
