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 method of packing for road maintenance that consists of gate side packs 3 to 5 yd (2.7 to 4.6 m) wide, next a gap of at least the width of the road, and finally a large pack 5 to 7 yd (4.6 to 6.4 ...

Plant-mix method

Mining; General mining

A method of preparing aggregates for bituminous surfaces in which aggregates and bitumen are combined in a plant situated at the road or at a relatively long distance from the road. Also known as the ...

Evolutionary operation

Mining; General mining

A method of process operation that introduces tightly controlled variations designed to transfer laboratory-proved improvements into changes leading to better commercial production.

Intrusion grouting

Mining; General mining

A method of placing concrete by intruding the mortar component in position; it is then converted to concrete by intruding the mortar component into its voids. One of the chief advantages of the ...

Electrocast process

Mining; General mining

A method of producing refractory materials in the desired form by mixing the raw materials in the requisite proportions, heating to fusion in an electric furnace, and then casting.

Triangular method

Mining; General mining

A method of ore reserve estimation based on the assumption that a linear relationship exists between grade difference and the distance between all drill holes.

Road-mix method

Mining; General mining

A method of preparing aggregates for bituminous surfaces in which the aggregates and bitumen are combined on the surface of the road, using the penetration or mixed-in-place method.