14 Terms
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General mining
General mining related terms and definitions in minerals and related activities.
Industry: Mining
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General mining
topotaxy
Mining; General mining
A recrystallization in which the crystallographic orientation of the parent crystal determines that of the product crystal, e.g., goethite to hematite with a -> c/3, b -> 2 a, and c#M# -> a T3/3. ...
ophicalcite
Mining; General mining
A recrystallized metamorphic rock composed of calcite and serpentine, commonly formed by dedolomitization of a siliceous dolostone. Some ophicalcites are highly veined and brecciated and are ...
mortise
Mining; General mining
A rectangular hole cut in one member of a framework to receive a corresponding projection on the mating member.
mortice
Mining; General mining
A rectangular hole cut in one member of a framework to receive a corresponding projection on the mating member.
pier
Mining; General mining
A rectangular or sometimes circular form of column, constructed usually of concrete, hard brickwork, or masonry, and designed to support heavy concentrated loads from arches or a bridge ...
Belgian oven
Mining; General mining
A rectangular oven with end doors and side flues for the manufacture of coke.
bucking hammer
Mining; General mining
A rectangular piece of cast iron 5 to 6 in (12.7 to 15.24 cm) across, usually rounded fore and aft with an eye on the back and with a wooden handle; used for grinding ore on a cast-iron bucking ...
