foid bearing trachyte (Q41805)
From geokb
Trachytic rock that contains between 0 and 10 percent feldspathoid in the QAPF fraction, and no quartz. QAPF field 7'.
- foid-bearing-trachyte
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | foid bearing trachyte |
Trachytic rock that contains between 0 and 10 percent feldspathoid in the QAPF fraction, and no quartz. QAPF field 7'. |
|
