phonolitic tephrite (Q41873)
From geokb
Tephritoid that has a plagioclase to total feldspar ratio between 0.5 and 0.9, and contains less than 10 percent normative (CIPW) olivine.
- phonolitic-tephrite
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | phonolitic tephrite |
Tephritoid that has a plagioclase to total feldspar ratio between 0.5 and 0.9, and contains less than 10 percent normative (CIPW) olivine. |
|
