Accumulation of sedimentary material
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Category: <span>A</span>
Minerals found alongside or in association with the primary target mineral
Areas of past geological or development work no longer maintained or not under current exploration
A machine that uses velocity to electrically charge atomic particles such as electrons, protons, deuterons, and alpha particles, or a substance added to increase chemical reaction
Water with a pH of less than 6.0 and where acidity exceeds alkalinity
Acidic water run-off from mine waste dumps and mill tailings ponds containing sulphide minerals
Igneous rock carrying with 65% or more silica
Having a low pH caused by sulphur dioxide and nitric oxide gases, usually introduced by human industrial activity
Materials sliding inwards or moving concavely inside of a break
A geophysical survey performed with a magnetometer aboard, or towed behind, an aircraft