5 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
Add a new termContributors in Mineral mining
Mineral mining
Thiobacillus ferrooxidans
Mining; General mining
A bacterial strain that catalyses the oxidation of ferrous iron (Fe +2 ) to ferric iron (Fe +3 ).
Dump bailer
Mining; General mining
A bailer used in borehole-cementation work, provided with a valving device that empties the contents of the bailer (cement) at the bottom of a borehole.
Thiobacillus thiooxidans
Mining; General mining
A bacterial strain that catalyses the oxidation of sulphur to sulphate (SO 4 -2 ).
Nital
Mining; General mining
A 5% solution of nitric acid in absolute ethyl or methyl alcohol, used for the general etching of normal carbon steels.
Clay back
Mining; General mining
A back slip in a coal seam containing a clayey deposit. See also: back slip.
Shuttle
Mining; General mining
A back-and-forth motion of a machine that continues to face in one direction.
