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Mining
Of or pertaining to the process or business of extracting materials, such as ore or minerals, from the earth's crust.
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Mining > Mineral mining 
Dowty prop
Mining; General mining
A prop that is in effect a self-contained hydraulic jack consisting of two tubes, the upper one telescoping into the lower. The upper (or inner) tube acts both as a reservoir for ...
photoelasticity
Mining; General mining
A property of certain transparent substances that enables the presence of strain to be detected by examination in polarized light. If models of complicated engineering structures ...
transformist
Mining; General mining
A proponent of the theory that all granites had a metasomatic or palingenic origin. Compare: magmatist
depletion allowance
Mining; General mining
A proportion of income derived from mining or oil production that is considered to be a return of capital not subject to income tax.
toll enrichment
Mining; General mining
A proposed arrangement by which uranium owned privately could be enriched in uranium-235 content in U.S. Government facilities upon the payment of a service charge.
Atterberg scale
Mining; General mining
A proposed particle-size scale or grade scale for the classification of sediments based on a decimal system beginning with 2 mm. The limits of the subclass are obtained by taking ...
Sub-categories
- Coal mining (40)
- Diamond mining (39)
- General mining (41978)
- Gold mining (103)
- Mineral mining (36958)
- Minerals (696)
- Mining tools (94)
- Space mining (40)