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Phonolitoid

A rock classification type
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09350710015258261171781.jpg
Nepheline-phonolite

Mount Kenya, Meru County, Kenya
01146050016811135337148.jpg
Phonolite, etc.

Mount Kenya, Meru County, Kenya
07032170014948620478787.jpg
Analcime phonolite, etc.

Crows Nest Pass, Coleman, Crowsnest Pass, Alberta, Canada
06352670015258259905334.jpg
Nepheline-phonolite

Mount Kenya, Meru County, Kenya
01146050016811135337148.jpg
Phonolite, etc.

Mount Kenya, Meru County, Kenya
07032170014948620478787.jpg
Analcime phonolite, etc.

Crows Nest Pass, Coleman, Crowsnest Pass, Alberta, Canada
09350710015258261171781.jpg
Nepheline-phonolite

Mount Kenya, Meru County, Kenya
01146050016811135337148.jpg
Phonolite, etc.

Mount Kenya, Meru County, Kenya
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About PhonolitoidHide

Mafites tentatively identified as phonolite, with felsics comprising 10-60% foids and alkali feldspar/total feldspar >0.5, <10% olivine.


Unique IdentifiersHide

Mindat ID:
50696
Long-form identifier:
mindat:1:1:50696:2
GUID
(UUID V4):
76cc0b7f-9d81-4b75-8456-38ac224389a7

Classification of PhonolitoidHide

QAPF_V_11,12.png

Phonolitic-rock appears in fields 11 and 12 in the QAPF diagram.^TAS

Sub-divisions of PhonolitoidHide

Mineralogy of PhonolitoidHide

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.

Synonyms of PhonolitoidHide

References for PhonolitoidHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Le Maitre (ed.) (2002) Igneous Rocks - A Classification and Glossary of Terms. Cambridge Press

Internet Links for PhonolitoidHide

mindat.org URL:
https://www.mindat.org/min-50696.html
Please feel free to link to this page.
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