felsite en · NOUN
Meanings
-
A fine grained volcanic extrusive rock, generally light in color, composed of felsic minerals.
The buff-colored dacites of the Superstition Mountains are felsites.
- Any light-colored volcanic rock whose true mineralogy is not yet determined.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| felsites | Number=Plur | lexicographic |