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Tephritic-phonolite

A rock classification type
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About Tephritic-phonoliteHide

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.


Unique IdentifiersHide

Mindat ID:
48547
Long-form identifier:
mindat:1:1:48547:4

Similar NamesHide

Tephritic PhonoliteA rock subtype

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 FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
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

References for Tephritic-phonoliteHide

Reference List:
 
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