A uranium prospecting technique which detects traces of radon gas
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Category: <span>R</span>
The extent of mineralization by size and value, calculated by sound volumetric procedures
Samples large enough to contain a similar percentage of mineral constituents of the host rocks from which it was removed
Rocks transformed by the replacement of eroded or precipitated minerals, by the introduction of newly deposited minerals and while retaining a high percentage of its original form
A silvery white, hexagonal platinum group metal. Symbol, Ru
Water that drains from a flood plain, or higher structure into streams, rivers, or other channels
The red, gemstone variety of corundum Al2O3. Sapphires represent the blue variety of the same substance
A soft, silvery-white, metal. Symbol, Rb
A loose mass of rock fragments
See Net Smelter Return