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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.
Classification of GumberiteHide
Mineralogy of GumberiteHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Carbonate||A petrological term for Rhombohedral Carbonate.|
|Feldspar > Alkali Feldspar > Orthoclase||K(AlSi3O8)|
|Silica > Quartz||SiO2|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: