Using the principle of "ore deposit is controlled by structure" and through combining of trench with hole, the new geological reserves of ore are detected that prolongs the service life of mine.
前言：利用构造控矿原理，采用坑钻相结合的方式，探明新增地质储量，延长矿山服务年限。
The deep hole drilling provides the reliable data for the deep ore-prospecting.
深孔钻进的实现，为深部地质找矿提供可靠资料。
Some superiorities of using down hole hammer counter circulation type continuous coring (sampling) method in gold ore exploration are expounded in this paper.
文中阐述了在金矿勘探中应用潜孔锤反循环连续取心（样）的优越性；
The hanging wall ore of the open-pit is one of important projects in transition from open pit to underground in Daye iron mine, and the shallow hole shrinkage mining method is adopted in the project.
大冶铁矿露天采场挂帮矿是该矿山露天转地下项目的重要工程，采用浅孔留矿法进行开采。
The paper discusses the new options of short-hole shrinkage: all-over mining, static shrinkage, precipice shrinkage, rock mining conditions, active supporting and ore pillar recovery.
本文探讨了浅孔留矿祛新型变形方案：留矿全面法、静态留矿法、削壁留矿法，以及这些方法的矿岩开采条件，采场主动支护，矿柱回收等。
Dagushan's iron mine whose iron ore is in its third fragmentation system is in the construction process, in which the vertical deep-hole blasting technology was adopted to excavate the fragment room.
介绍了大孤山铁矿在矿石三期破碎系统的建设过程中，采用垂直深孔爆破技术挖掘破碎峒室，使挖掘工期大幅度缩短。
Dagushan's iron mine whose iron ore is in its third fragmentation system is in the construction process, in which the vertical deep-hole blasting technology was adopted to excavate the fragment room.
介绍了大孤山铁矿在矿石三期破碎系统的建设过程中，采用垂直深孔爆破技术挖掘破碎峒室，使挖掘工期大幅度缩短。
应用推荐