Fe-rich-olivine-gabbro
A rock subtype
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An olivine gabbro where the olivine is fayalite-dominant.
Unique Identifiers
Mindat ID:
48282
Long-form identifier:
mindat:1:1:48282:0
GUID
(UUID V4):
(UUID V4):
b54f4506-a6d1-41ac-8b83-2de753a7eed9
Classification of Fe-rich-olivine-gabbro
Gabbro is in section 10 of the QAPF diagram.
Mineralogy of Fe-rich-olivine-gabbro
Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Mafic minerals | A petrological term for dark, rock-forming minerals rich in magnesium and/or iron. |
Olivine > Fayalite | Fe2+2SiO4 |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > Hornblende | An informal name for dark green to black amphiboles, mostly ferro-hornblende or ... |
Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Synonyms of Fe-rich-olivine-gabbro
Internet Links for Fe-rich-olivine-gabbro
mindat.org URL:
https://www.mindat.org/min-48282.html
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