noun
- plural of trachyte; volcanic rocks with a rough texture composed mainly of alkali feldspar
Usage: geology
Examples
- The geologist collected samples of trachytes from the ancient volcanic field.
- Trachytes are commonly found in areas of past volcanic activity.
- The mountain’s slopes were covered with weathered trachytes.
- These trachytes formed when the lava cooled rapidly at the surface.
- The rough texture of trachytes makes them easily identifiable in the field.