Alkali-feldspar-granite
A rock classification type
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About Alkali-feldspar-granite
A light-coloured granitoid (a coarse grained igneous rock composed mostly of quartz, alkali-feldspar and sodic plagioclase), where plagioclase is less than 10% of the total feldspar on the QAPF diagram.
Unique Identifiers
Mindat ID:
48131
Long-form identifier:
mindat:1:1:48131:7
GUID
(UUID V4):
(UUID V4):
3ce74048-183f-4be8-a071-79f2e1ca99bb
Classification of Alkali-feldspar-granite
Rocks in section 2 of the QAPF diagram.
Sub-divisions of Alkali-feldspar-granite
- Alkali-feldspar-granite
Mineralogy of Alkali-feldspar-granite
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:
Synonyms of Alkali-feldspar-granite
Internet Links for Alkali-feldspar-granite
mindat.org URL:
https://www.mindat.org/min-48131.html
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References for Alkali-feldspar-granite
Reference List:
Ahumada Municipality, Chihuahua, Mexico