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Porphyritic rhyolite

A rock subtype
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About Porphyritic rhyoliteHide

A porphyritic variety of rhyolite.


Unique IdentifiersHide

Mindat ID:
51059
Long-form identifier:
mindat:1:1:51059:4

Classification of Porphyritic rhyoliteHide

QAPF_V_3.png

Rhyolite appears in field 3 in the QAPF diagram.

TAS_R.png

Rhyolite is found in field 'R' in the TAS diagram.

Sub-divisions of Porphyritic rhyoliteHide

Mineralogy of Porphyritic rhyoliteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
Silica > QuartzSiO2

Synonyms of Porphyritic rhyoliteHide

Internet Links for Porphyritic rhyoliteHide

References for Porphyritic rhyoliteHide

Reference List:
Quick NavTopAbout Porphyritic rhyoliteUnique IdentifiersClassification Sub-divisions Mineralogy SynonymsInternet Links References
 
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