Mineral mining

Mineral mining

The extraction of valuable minerals or other geological materials from the earth for economic interests.

Industry: Mining

Contributors in Mineral mining

Mineral mining

A group of coarse-grained plutonic rocks intermediate in composition between quartz diorite and quartz monzonite (U.S. usage), containing quartz, plagioclase (oligoclase or andesine), and potassium ...

Gabbro

Mining; General mining

A group of dark-colored, basic intrusive igneous rocks composed principally of basic plagioclase (commonly labradorite or bytownite) and clinopyroxene (augite), with or without olivine and ...

Constantan

Mining; General mining

A group of copper-nickel alloys containing 45% to 60% copper with minor amounts of iron and manganese, and characterised by relatively constant electrical resistivity irrespective of temperature; ...

Facies fauna

Mining; General mining

A group of animals characteristic of a given stratigraphic facies or adapted to life in a restricted environment; e.g., the black-shale fauna of the Middle and Upper Devonian of the Appalachian ...

Hydrogrossular

Mining; General mining

A group name for the series of hydrogarnets encompassing the series hibschite, katoite, and grossular. Water content ranges from about 1.5% in hibschite to 13% in katoite; grossular is anhydrous.

Spilitic suite

Mining; General mining

A group of altered extrusive and minor intrusive basaltic rocks that characteristically have a high albite content. The group is named for its type member, spilite.

Hydrogarnet

Mining; General mining

A group name for the series of hydrogarnets encompassing the series hibschite, katoite, and grossular. Water content ranges from about 1.5% in hibschite to 13% in katoite; grossular is anhydrous.