文档介绍：华北理工大学露天采矿学课程设计说明书学院:矿业工程学院专业:采矿工程姓名:班级:学号:指导教师:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------52、露天开采主要矿岩指标------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------14参考文献----------------------------------------------------151、°。现属于平泉县平泉镇管辖。。矿区中心地理坐标为:东经118°38′22″.北纬41°00′14″。拐点XY矿区面积(km2):,最低海拔510m,。