Olivine-gabbronorite
A rock classification type
This page is currently not sponsored. Click here to sponsor this page.
A gabbroid with >5% olivine and >5% pyroxene, and subequal amounts of clino- and ortho- pyroxenes.
Unique Identifiers
Mindat ID:
48285
Long-form identifier:
mindat:1:1:48285:7
GUID
(UUID V4):
(UUID V4):
74c05ea0-4475-4498-a0b2-ef1dde3ffb47
Classification of Olivine-gabbronorite
Gabbro is in section 10 of the QAPF diagram.
Mineralogy of Olivine-gabbronorite
Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Olivine | Commonly used as a synonym for a member of the Fayalite-Forsterite Series, but more generally and properly ... |
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:
Amphibole > Hornblende | A commonly used informal name for dark green to black amphiboles, largely in the Hornblende Root Name ... |
Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Internet Links for Olivine-gabbronorite
mindat.org URL:
https://www.mindat.org/min-48285.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
References for Olivine-gabbronorite
Reference List: