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Tephritic-phonolite

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Phonolitic rocks, with felsics comprising 60-90% foids and alkali feldspar/total feldspar 0.9-0.5.
An uncommon, highly alkaline volcanic or sub-volcanic rock, mostly found in dykes.


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Classification of Tephritic-phonoliteHide

QAPF_V_12.png

Tephritic-phonolite appears in field 12 in the QAPF diagram.^TAS

Sub-divisions of Tephritic-phonoliteHide

Mineralogy of Tephritic-phonoliteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparFeldspar Group minerals rich in Potassium or Sodium.
FeldspathoidA family of rock-forming minerals consisting of aluminosilicates of sodium, potassium, or calcium and having too ...

Synonyms of Tephritic-phonoliteHide

Internet Links for Tephritic-phonoliteHide

 
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