General mining

General mining

General mining related terms and definitions in minerals and related activities.

Industry: Mining

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General mining

Asteroid mining

Mining; General mining

The future industry of sending spacecraft to asteroids in order to harvest their natural resources and bring them back to civilization for use. On April 24th 2012, the first real steps towards ...

Platinum-group metal

Mining; General mining

Any of the minerals native platinum, osmium, iridium, palladium, rhodium, ruthenium, and their alloys, such as osmiridium (Ir,Os) , ruthenosmiridium (Ir,Os,Ru) , rutheniridosmine (Os,Ir,Ru) , and ...

A building regularly used in whole or in part as a habitation for human beings, or any church, schoolhouse, railroad station, store, or other structure where people are accustomed to assemble, except ...

Tricalcium silicate

Mining; General mining

3CaO.SiO 2 ; dissociates at approx. 1,900 degrees C to form CaO and 2CaO.SiO 2 . This compound is the principal cementing constitutent of Portland cement, small quantities of MgO and Al 2 O 3 usually ...

Spessartite

Mining; General mining

A "lamprophyre" composed of phenocrysts of green hornblende or clinopyroxene in a ground mass of sodic plagioclase, with accessory olivine, biotite, apatite, and opaque oxides. Named for Spessart, ...