Mineral mining

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

calamine violet

Mining; General mining

An indicator plant which grows only on zinc-rich soils in the zinc districts of Central and Western Europe.

Nettleton method

Mining; General mining

An indirect means of density determination in which a closely spaced gravity traverse is run over some topographic feature, such as a small hill or valley. When the profile of observed values is ...

pressure testing

Mining; General mining

An indirect method of testing porosity and permeability of formations at elevations of proposed structures.

pyroclast

Mining; General mining

An individual particle ejected during a volcanic eruption. It is usually classified according to size.

An individual who studies the chemistry of earth materials. May be qualified by the term "inorganic" for the study of nonbiological materials, "organic" for the study of plants and hydrocarbons, and ...