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A high-grade, fine granined, granoblastic contact-metamorphic rock - a basaltic dyke rock metamorphosed by contact with gabbroic rock.
Classification of BeerbachiteHide
Mineralogy of BeerbachiteHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Feldspar > Plagioclase||A petrological term for Albite-Anorthite Series.|
|Iron oxide||In petrological terms, "Iron oxides" refers usually to the two main iron oxide minerals hematite and ...|
|Pyroxene||A petrological term for Pyroxene Group.|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: