20 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
banded ironstone
Mining; General mining
A term used in South Africa for iron formation consisting essentially of iron oxides and chert occurring in prominent layers or bands of brown or red and black. This usage of the term ironstone is at ...
ironstone
Mining; General mining
A term used in South Africa for iron formation consisting essentially of iron oxides and chert occurring in prominent layers or bands of brown or red and black. This usage of the term ironstone is at ...
spake
Mining; General mining
A term used in South Wales for a train of personnel carriages, for use on the main slants at the beginning and end of each shift. The seats are so arranged that they are horizontal when the carriage ...
slate ground
Mining; General mining
A term used in southern Wales for a dark fissile shale, resembling slate.
salar
Mining; General mining
A term used in Southwestern United States and in the Chilean nitrate fields for a salt flat or for a salt-encrusted depression that may represent the basin of a salt lake. Etymol: Spanish, to salt. ...
cap set
Mining; General mining
A term used in square-set mining methods to designate a set of timber using caps as posts, resulting in a set of timber shorter than the normal set.
duns
Mining; General mining
A term used in SW England for a shale or massive clay associated with coal.
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