The types of bolts used in Bisbee mine were the slot/ wedge, expansion and split set. The basics of rock bolting are drill a hole, insert rock bolt into hole and tighten rock bolt. Expansion type bolts will be tightened by inserting a socket into the jackleg chuck and using the jackleg like a socket wrench.
Quick Answer. The two main types of mining are surface mining and underground mining. Mining is further divided into several other categories including room and pillar mining, slope mining, block caving, quarrying, open-pit mining and in situ mining.
For various types of excavation associated with rock breaking, rock excavating, rock blasting, rock non-explosive demolition Mining and Natural Stone Quarrying Non-Explosive Blasting method for natural stone quarrying of limestone, onyx, marble and g ranite quarries. Alternative to explosives blasting or hiring blasters.
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Back — The roof or upper part in any underground mining cavity. Backfill — Mine waste or rock used to support the roof after coal removal. Barren — Said of rock or vein material containing no minerals of value, and of strata without coal, or containing coal in seams too thin to be workable.