tonalite (Q41564)

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Revision as of 14:11, 24 October 2023 by Sky (talk | contribs) (‎Changed label, description and/or aliases in en, and other parts: Updated rock class item with Geoscience Ontology GSRM data)
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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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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