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 process of rock bolting in flat-lying deposits where the bolts are installed in bedded rock to bind the strata together to act as a single beam capable of supporting itself and thus stabilizing the ...

pressure drilling

Mining; General mining

A process of rotary drilling in which the drilling fluid is kept under pressure in an enclosed system.

dry blowing

Mining; General mining

A process sometimes used where water is scarce. The separation of free gold from the accompanying finely divided material is effected by the use of air currents.

carbon-in-leach process

Mining; General mining

A process step wherein granular activated carbon particles much larger than the ground ore particles are introduced into the ore pulp. Cyanide leaching and precious metals adsorption onto the ...

raydist

Mining; General mining

A radio system for medium-range precision surveying in which the phases of two continuous-wave signals are compared. It is based on the heterodyne principle and uses low or medium frequencies. It ...

radioactive tracer element

Mining; General mining

A radioactive isotope of an element used to study a process by observing the intensity of radioactivity.

carbon-14

Mining; General mining

A radioactive isotope of carbon having the atomic weight of 14, produced by collisions between neutrons and atmospheric nitrogen. It is useful in determining the age of 499 carbonaceous material ...