Vein Aggregations of mineral matter in fissures of rocks. W. Walls The sides next to the lode. Wash The first geological formation, being composed of earth, sand, gravel, and other minerals washed down from the mountains during a long series of ages. Waste Rock containing no ore but removed in the course of mining operations.
A glossary of mining terms. Prev. Next. ... Examples Of Minerals Used In Our Daily Lives 28 October 2019 Our products Common uses for copper in our daily lives ...
Solid Minerals Solid Minerals. All leasable minerals not including geothermal and oil and gas. 2000. More Mining Dictionary Terms. Senior Survey; Serial Number ...
Overburden: is non valuable minerals above ore which must be removed to extract the ore. Pit Limit: is the maximum vertical and lateral extent which may be excavated economically in an open pit mine. Pit Slope: is the angle from the horizontal which the wall of a open pit stands as measured from crest to toe.
Minable reserves Ore reserves that are known to be extractable using a given mining plan. Mineral A naturally occurring homogeneous substance having definite physical properties and chemical composition and, if formed under favorable conditions, a definite crystal form. Muck Ore or rock that has been broken by blasting.
activities relative to mineral exploration and mining operations on public lands. For minerals subject to location under the mining laws Authorities General Mining Act of 1872, as amended Federal Land Policy and Management Act
Glossary of Mining Terms A Abutment In coal mining, the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of ...
Abutment In coal mining, the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Glossary of Mining Terminology After Damp Gasses resulting from underground combustion, normally carbon monoxide. This is a loose term implying any fatal gas in a mine after an explosion or fire. Air Shaft A vertical opening into a mine for the passage of air. Airway Any passage in a mine along which an air current moves. Some passages are