A metallurgical process utilizing acid solution to dissolve metals such as gold, uranium, copper
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Machine using air flow to induce separation of aerophilic and hydrophilic particles Air bubbles of a lower pressure lift aerophilic particles to an overflow thereby separating hydrophilic particles
Rock or various type and grade, including sand, used in many cases as fill
A pyroclastic deposit characterized by vitric binding or sintering of its minerals
A breccia composed of volcanic rock fragments
Materials sliding inwards or moving concavely inside of a break
A geophysical survey performed with a magnetometer aboard, or towed behind, an aircraft
An instrument aboard, or attached to, an airplane used to detect the strength of a magnetic field
Positively charged particles emitted from radioactive material
An orthorhombic mineral, Al2SiO5; its transparent green variety is used as a gem