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随着煤炭开发的不断推进,人们对于含煤岩系以及煤层的认识也逐步深入,对煤炭地层知识有了较丰富的积累,而对煤炭地质知识的掌握,又进一步推动了煤炭开发事业。 古代人一般将煤层称为煤脉。煤层在地下“纵横广有”,“夹石潜行”,如同脉络,因此寻找探查煤层,称为“脉炭”。明代山东学者孙廷铨在《颜山杂记》中就讲,山中的煤层,有的埋藏较深,在地下“夹石而潜行”;有的煤层在浅部,“近土而上浮”。“凡脉炭者”,必须“测石之层数”。不了解含煤岩系与煤层所在的层位是很难有效进行开采的。因此,四川
With the continuous development of coal development, people have gradually deepened their understanding of coal-bearing rock series and coal seams and accumulated rich knowledge of coal strata. The mastery of coal geological knowledge has further promoted the cause of coal development. Ancient people generally called the coal seam coal. Coal seam in the ground, “wide and wide,” “stepping stone”, as vein, so looking for exploration of coal, known as the “veins.” Sun Tingquan, a Shandong scholar in the Ming Dynasty, said in the Miscellanies of Mountains and Rivers that the coal seams in the mountains are deeply buried and “steal and sneak in the ground” in the ground; “Where the pulse of those who have”, must “measure the number of layers of stone.” It is difficult to effectively mine without understanding the layers of coal-bearing rocks and coal seams. Therefore, Sichuan