20 Terms
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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.
uranium
Mining; General mining
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.