tonalite (Q41564): Difference between revisions

From geokb
(‎Changed label, description and/or aliases in en, and other parts: Removed instance of classification and added Mindat identifier as same as relationship)
(‎Changed an Item: Updated rock class item with Geoscience Ontology GSRM subclass data)
 
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description / endescription / en
A granitoid (a coarse grained igneous rock with <90% mafics; felsic minerals are composed mostly of quartz (20-60%), Kspar (alkali-feldspar) and plagioclase), where plagioclase is >90% of the total feldspar on the QAPF diagram
Granitoid consisting of quartz and intermediate plagioclase, usually with biotite and amphibole. Includes rocks defined modally in QAPF field 5; ratio of plagioclase to total feldspar is greater than 0.9.
Property / subclass of: granitoid / reference
 
Property / subclass of: granitoid / reference
 
Property / subclass of: granitoid / reference
 
Property / same as
 
Property / same as: https://w3id.org/gso/rockmaterial/tonalite / rank
 
Normal rank

Latest revision as of 17:10, 24 October 2023

Granitoid consisting of quartz and intermediate plagioclase, usually with biotite and amphibole. Includes rocks defined modally in QAPF field 5; ratio of plagioclase to total feldspar is greater than 0.9.
Language Label Description Also known as
English
tonalite
Granitoid consisting of quartz and intermediate plagioclase, usually with biotite and amphibole. Includes rocks defined modally in QAPF field 5; ratio of plagioclase to total feldspar is greater than 0.9.

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