General mining

General mining

General mining related terms and definitions in minerals and related activities.

Industry: Mining

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General mining

heap leaching

Mining; General mining

The process of stacking ore in a heap on an impermeable pad and percolating through the ore a solution containing a leaching agent such as cyanide. The gold which leaches from the ore into the ...

A method of mining involving the drilling of holes typically up to 30 meters long into an ore body and then blasting a slice of rock which falls into an open space. The broken ore is extracted and ...

rare earth

Mining; General mining

A group of 17 mineral elements found in the earth's crust. Rare earths have broad commercial and military applications, and are vital to the manufacture of products as diverse as iPods, cellphones, ...

phyllite

Mining; General mining

A type of foliated metamorphic rock primarily composed of quatz, seiricte mica and chlorite.

adit

Mining; General mining

A nearly horizontal passage from the surface by which a mine is entered and dewatered. A blind horizontal opening into a mountain, with only one entrance.