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Gumberite

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A medium to low-temperature metasomatic rock mainly composed of quartz, orthoclase and carbonate. It forms as an alteration of granodiorite or syenite and is closely associated with W-Cu or Au-U-bearing veins.


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Classification of GumberiteHide

Mineralogy of GumberiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
CarbonateIn mineralogy carbonates are a wide group of minerals containing the CO3 anion, many of which are rare and ...
Feldspar > Alkali Feldspar > OrthoclaseK(AlSi3O8)
Silica > QuartzSiO2
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
AnkeriteCa(Fe2+,Mg)(CO3)2
BismuthiniteBi2S3
DolomiteCaMg(CO3)2
Mica > PhlogopiteKMg3(AlSi3O10)(OH)2
MolybdeniteMoS2
ScheeliteCa(WO4)

References for GumberiteHide

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Fettes (et al.), Metamorphic Rocks - A Classification and Glossary of Terms (2007) Cambridge University Press

Internet Links for GumberiteHide

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