22 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
millimeter screw micrometer
Mining; General mining
A precision caliper gage that measures the overall dimensions of unmounted fashioned gems more accurately but less conveniently than dial gages.
theodolite
Mining; General mining
A precision surveying instrument that is used for measuring angular distances in both vertical and horizontal planes.
sub-
Mining; General mining
A prefix denoting under, below, or less than. Containing only a relatively small proportion or less than the normal amount of (such) an element or radical; not used systematically.
