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Mining Terminology - A |
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Agglomeration: A family of processes which can be used to concentrate valuable minerals based on their adhesive properties is called agglomeration. More... |
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Mining Terminology - B |
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Butt entry - A coal mining term that has different meanings in different locations. It can be synonymous with panel entry, sub-main entry, or in its older sense it refers to an entry that is "butt" onto the coal cleavage (that is, at right angles to the face). More... |
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Mining Terminology - C |
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Cannel coal - A massive, non-caking block coal with a fine, even grain and a conchoidal fracture which has a high percentage of hydrogen, burns with a long, yellow flame, and is extremely easy to ignite. More... |
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Mining Terminology - D |
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Dilution - The contamination of ore with barren wall rock in stoping. Rock that is, by necessity, removed along with the ore in the mining process, subsequently lowering the grade of the ore. More... |
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Mining Terminology - E |
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Exploration: The search for mineral deposits and the work done to prove or establish the extent of a mineral deposit is known as exploration. More... |
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Mining Terminology - F |
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Face – The end of a drift or exposed area of a coal bed from which coal is being extracted is called face. More... |
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Mining Terminology - G |
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Gabbro –A dark, coarse-grained igneous rock. More... |
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Mining Terminology - H |
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Hanging Wall - The wall or rock on the upper or topside of an ore deposit. More... |
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Mining Terminology - I |
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Inby - In the direction of the working face. More... |
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Mining Terminology - J |
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Jackleg - A percussion drill used for drifting or stoping that is mounted on a telescopic leg which has an extension of about 2.5 m. The leg and machine are hinged so that the drill need not be in the same direction as the leg. More... |
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Mining Terminology - K |
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Kettle bottom - A smooth, rounded piece of rock, cylindrical in shape, which may drop out of the roof of a mine without warning. The origin of this feature is thought to be the remains of the stump of a tree that has been replaced by sediments so that the original form has been rather well preserved. More... |
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Mining Terminology - L |
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Lamp - The electric cap lamp worn for visibility or the flame safety lamp used in coal mines to detect methane gas concentrations and oxygen deficiency. More... |
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Mining Terminology - M |
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Minerals: Inorganic compounds occurring naturally in the earth's crust, with a distinctive set of physical properties, and a definite chemical composition are known as minerals. More... |
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