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Gabbronorite

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A gabbroid with <5% olivine and subequal amounts of clino- and ortho- pyroxenes.


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Classification of GabbronoriteHide

Gabbro is in section 10 of the QAPF diagram.

Mineralogy of GabbronoriteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > HornblendeAn informal name for dark green to black amphiboles, mostly ferro-hornblende or ...
Mica > BiotiteA series or subgroup of the Mica Group.

Internet Links for GabbronoriteHide

Mineral and/or Locality  
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