General mining

General mining

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

Industry: Mining

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General mining

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 ...

radium

Mining; General mining

A radioactive metallic element; one of the alkaline-earth metals. Symbol, Ra. It occurs in pitchblende ore, in carnotite sands, and in all uranium minerals.

A radioactive, silvery-white, metallic element. Symbol, U. Occurs in numerous minerals such as pitchblende, uraninite, carnotite, autunite, uranophane, davidite, and tobernite. It is also found in ...

neutron-gamma log

Mining; General mining

A radioactivity log employing both gamma and neutron-log curves. The neutron log should respond best to porous fluid-filled rock and the gamma best to shale markers.