trachyandesite (Q41809)
From geokb
A fine grained, usually extrusive, alkaline/basic rocktype intermediate between basaltic andesite and phonolite, difficult to define without chemistry on the TAS diagram
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | trachyandesite |
A fine grained, usually extrusive, alkaline/basic rocktype intermediate between basaltic andesite and phonolite, difficult to define without chemistry on the TAS diagram |
