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Peridotite - Occurrence, Properties, and Distribution

Peridotite is a coarse-grained, dark-colored intrusive igneous rock which consists of minerals such as pyroxene and olivine. It usually contains olivine as the primary mineral in addition to other mafic minerals such as amphiboles and pyroxenes.

21 Apr 2014

Pentlandite - Occurrence, Properties, and Distribution

Pentlandite, nickel iron sulphide, is the principal ore for nickel. Pentlandite is found in the form of massive granular aggregates. It appears as a brassy gold-colored mineral, having similarities in characteristics to other sulfide minerals like pyrrhotite and chalcopyrite.

21 Apr 2014

Pellet (Iron ore) - Mining Fundamentals

Iron ore pellets are marble-sized balls of iron ore that fused with clay for transportation and used in steel manufacture. The process of making pellets from iron ore is called pelletizing.

21 Apr 2014

Phaneritic Texture - Mining Fundamentals

Igneous textures are rock textures of igneous rocks used by geologists in identifying the origin of rocks and for the classification of rocks. Phaneritic texture is one of the six main textures of rocks. Phaneritic rocks are intrusive igneous rocks with coarse crystals of equal size.

21 Apr 2014

Pig Iron - Mining Fundamentals

Pig iron is an intermediate product obtained during smelting of iron ore using high-carbon fuel such as coke, charcoal or anthracite. In addition to iron, pig iron consists of varying amounts of phosphorus, sulfur, manganese, silicon and carbon.

21 Apr 2014

Pitchblende - Mining Fundamentals

Pitchblende is an amorphous form of the crystalline uranium oxide mineral known as uraninite.

21 Apr 2014

Polishing Pond - Mining Fundamentals

A polishing pond is the last in the series of settling ponds through which the mill effluent is made to flow through. The mill effluent is made to flow through a series of waste water treatment ponds before being discharged into the natural environment.

21 Apr 2014

Placer Deposits - Mining Fundamentals

Placer deposit or placer is a natural accumulation of heavy valuable minerals which are formed by the gravitational effect during sedimentary processes. Placer mining is critical for gold extraction and one of the main mining methods used in several gold rushes including the California Gold Rush.

21 Apr 2014