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A gabbroid with >5% olivine and >5% pyroxene, and subequal amounts of clino- and ortho- pyroxenes.
Classification of Olivine-gabbronoriteHide
Mineralogy of Olivine-gabbronoriteHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Feldspar > Plagioclase||A petrological term for Albite-Anorthite Series.|
|Olivine||Equivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.|
|Pyroxene > Clinopyroxene||A petrological term for Clinopyroxene Subgroup.|
|Pyroxene > Orthopyroxene||A petrological term for Orthopyroxene Subgroup.|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: