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
Journal
Mining; General mining
A book in which the official record of events or the type and characteristics of the rock penetrated by the borehole is entered.
Primer charge
Mining; General mining
A boosting charge placed in contact with a detonator to ensure detonation of the main charge.
Stratigraphic hole
Mining; General mining
A borehole drilled specif. to obtain a detailed record of the character and composition of the rock formation penetrated and not for the purpose of locating a mineral deposit.
Gas rig
Mining; General mining
A borehole drill, either rotary or churn-drill type, driven by a combustion-type engine using a combustible liquid, such as gasoline, or a combustible gas, such as bottle gas, as the source of the ...
