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Propylitic alteration

Index Propylitic alteration

Propylitic alteration is the chemical alteration of a rock, caused by iron and magnesium bearing hydrothermal fluids, altering biotite or amphibole within the rock groundmass. [1]

14 relations: Albite, Amphibole, Biotite, Chlorite group, Epidote, Fracture (geology), Hydrothermal circulation, Iron, Magnesium, Matrix (geology), Metasomatism, Pyrite, Rock (geology), Vein (geology).

Albite

Albite is a plagioclase feldspar mineral.

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Amphibole

Amphibole is an important group of generally dark-colored, inosilicate minerals, forming prism or needlelike crystals, composed of double chain tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their structures.

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Biotite

Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula.

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Chlorite group

The chlorites are a group of phyllosilicate minerals.

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Epidote

Epidote is a calcium aluminium iron sorosilicate mineral.

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Fracture (geology)

A fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces.

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Hydrothermal circulation

Hydrothermal circulation in its most general sense is the circulation of hot water (Ancient Greek ὕδωρ, water,Liddell, H.G. & Scott, R. (1940). A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with the assistance of. Roderick McKenzie. Oxford: Clarendon Press. and θέρμη, heat). Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth's crust.

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Iron

Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

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Magnesium

Magnesium is a chemical element with symbol Mg and atomic number 12.

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Matrix (geology)

The matrix or groundmass of rock is the finer-grained mass of material wherein larger grains, crystals or clasts are embedded.

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Metasomatism

Metasomatism is the chemical alteration of a rock by hydrothermal and other fluids.

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Pyrite

The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide).

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Rock (geology)

Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids.

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Vein (geology)

In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock.

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Propylitic Alteration.

References

[1] https://en.wikipedia.org/wiki/Propylitic_alteration

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