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Definitions (275)

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bauxite


A rock made up of hydrous aluminum oxides; the most common aluminum ore. Bear market
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a b c d e f g h i j k l m n o p q r s t u v w x y z


Acid -
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acidic precipitation


Snow and rain that have a low pH, caused by sulphur dioxide and nitric oxide gases from industrial activity released into the atmosphere. Acidic rocks
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acid mine drainage


Acidic run-off water from mine waste dumps and mill tailings ponds containing sulphide minerals. Also refers to ground water pumped to surface from mines. Activated carbon (charcoal)
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adit


An opening driven horizontally into the side of a mountain or hill for providing access to a mineral deposit. Advanced property
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aerial magnetometer


An instrument used to measure magnetic field strength from an airplane. Aeromagnetic survey
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agglomerate


A breccia composed largely or entirely of fragments of volcanic rocks. Agglomeration
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agitation


In metallurgy, the act or state of being stirred or shaken mechanically, sometimes accomplished by the introduction of compressed air. Airborne survey
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alloy


A compound of two or more metals. Alluvium
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alpha meter


An instrument used to measure positively charged particles emitted by radioactive materials. Alpha ray
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