foid syenite (Q41709)
From geokb
Foid syenitoid that has a plagioclase to total feldspar ratio of less than 0.1. Includes rocks defined modally in QAPF field 11.
- foid-syenite
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | foid syenite |
Foid syenitoid that has a plagioclase to total feldspar ratio of less than 0.1. Includes rocks defined modally in QAPF field 11. |
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