Granite from Portugal
ICodeICPTGR00686
Also known asCinzento Azeviche, Gabrodiorito De Arronches.
Macroscopic descriptionDark greyish fine to medium grained rock, with homogeneous appearance.
Petrographic descriptionHorneblende biotitic diorite with granular hypidiomorphic texture and showing sericitic alteration of plagioclase and chloritic alteration of biotite.
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