tonalite (Q41564)
From geokb
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
Language | Label | Description | Also known as |
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English | tonalite |
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 |