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湖南第一煤田地质勘探队地质二队的同志,将勘探区煤层顶板岩石的岩性、构造、化石、结核等特征用形象直观的图象表示成“钻孔层位指示图”(见图),并配上通俗易懂的顺口溜,挂到钻机现场。钻探工人看的懂、记的住,容易掌握煤层顶板岩石主要标志特征。这样,既普及了一般地质知识,又对于防止打丢打薄煤层、提高钻探质量起了良好的作用。
Comrades from the Second Geological Prospecting Team of Geological Prospecting Team, Hunan Province, expressed the lithology, tectonics, fossils and tuberculosis characteristics in the exploration area as the “borehole indication map” (Figure) , Coupled with easy-to-understand jingle, linked to the rig site. Drilling workers to understand, remember to live, easy to master the main roof rock signature characteristics. In this way, not only universal geological knowledge is popularized, but also a good effect on preventing the thin seam from being lost and drilling and improving the quality of drilling.