The banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands . 本矿区的带状片麻岩照例富含云母,黑云母的多少决定片麻岩条带的色调。
Analysis on coalbed gas geology in jinjia mine field 金佳矿井田瓦斯地质分析
Problems of environment in coal mine field and treatment 煤矿矿区生态环境问题及治理
Some problems about environmental geology in yungang mine field 云冈井田环境地质的一些问题
Effect of igneous rock on the roof pressure of mining field 火成岩对采场顶板压力分布的影响
Some understanding to the north structure in daxing mine field 层滑构造及其对煤矿生产的影响
Recearch on saddle shaped structure in east of daxing mining field 大兴井田东部马鞍型构造研究
Prediction study of modern tectonic stress in hongling mine field 红菱井田现今构造应力预测研究
Ore potentiality analysis of mylonite zone of hetai gold mine field 河台金矿田糜棱岩带含矿性分析