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Definitions (124)
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beneficiation
the process of concentration of the valuable components of an ore or other mineral commodity. Commonly includes multiple stages such as crushing, grinding, washing, screening, flotation, roasting, etc [..]
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Longwall mining
type of mining that is typically found in underground coal mines. The coal seam is mechanically extracted and the hanging wall
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adit
common mining term for a horizontal to sub–horizontal tunnel driven into a hillside to access an ore body.
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Agglomerate
a volcanic rock consisting of fragments of pyroclastic
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alkaline
a term applied to igneous rocks which are characterised by relatively high concentrations of sodium and potassium.
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alluvial
deposits of sediment, usually sand and gravel, transported and deposited by a river.
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anode
a plate of metal cast in a shape suitable for refining by the electrolytic process.
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Archean
period of geological time that is the older of the two main Precambrian
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Argillaceous rocks
a group of detrital, fine grained, sedimentary rocks subdivided into silt grade (particle size range 1/16 to 1/256 mm) and clay grade (particle size < 1/256 mm).
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Arsenide
a mineral formed by the combination of arsenic with another chemical element e.g. sperrylite, PtAs2
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