syenite (Q41599)
From geokb
A granitoid having an alkali-feldspar/plagioclase ratio from 65-90% and <5% quartz
Language | Label | Description | Also known as |
---|---|---|---|
English | syenite |
A granitoid having an alkali-feldspar/plagioclase ratio from 65-90% and <5% quartz |