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A rock having formed through biological means

A rough technique of assay where the target minerals are oxidized by torch and oxidation states observed

A process for recovering metals from ores using bacterial solution

Usually a deposit that contains positive target indicator minerals without itself containing target minerals

Where an orebody is mined by excavating a cavity underneath the target ore, collapsing the ore into the cavity

Basic smelter run copper having reached near purity

A drill hole filled with explosive charge and detonated

A vessel where raw ore and fuels are enriched with compressed air to increase reaction

An employee or contractor responsible for the proper use and care of explosives

Suboceanic volcanic vent causing the formation of hydrothermal fluids deposit as sulphide on the seafloor