Leucoquartz-alkali-feldspar-syenite
A rock subtype
This page is currently not sponsored. Click here to sponsor this page.
Unique Identifiers
Mindat ID:
48206
Long-form identifier:
mindat:1:1:48206:0
GUID
(UUID V4):
(UUID V4):
d15fd70a-ccf1-4f2e-b31c-f08d84f35861
Classification of Leucoquartz-alkali-feldspar-syenite
- Rock
- Igneous rock
- Normal crystalline igneous rock
- Coarse-grained ("plutonic") crystalline igneous rock
- Syenitoid
- Quartz-alkali-feldspar-syenite
- Leucoquartz-alkali-feldspar-syenite
- Quartz-alkali-feldspar-syenite
- Syenitoid
- Coarse-grained ("plutonic") crystalline igneous rock
- Normal crystalline igneous rock
- Igneous rock
Quartz-alkali-feldspar-syenite is in section 6* of the QAPF diagram.
Mineralogy of Leucoquartz-alkali-feldspar-syenite
Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. |
Silica > Quartz | SiO2 |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > Hornblende | An informal name for dark green to black amphiboles, mostly ferro-hornblende or ... |
Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
References for Leucoquartz-alkali-feldspar-syenite
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 Leucoquartz-alkali-feldspar-syenite
mindat.org URL:
https://www.mindat.org/min-48206.html
Please feel free to link to this page.
Please feel free to link to this page.