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Feldspar porphyry

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Feldspar-phyric porphyry


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Classification of Feldspar porphyryHide

Mineralogy of Feldspar porphyryHide

Essential minerals - these are minerals that are required within the classification of this rock:
FeldsparA petrological term for Feldspar Group.
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.
Silica > QuartzSiO2

Internet Links for Feldspar porphyryHide

Mineral and/or Locality  
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