noun
- Plural of diatreme; volcanic pipes or vents formed by explosive eruptions, typically filled with fragmented rock and minerals.
Usage: geology; technical term
Examples
- The diatremes in the region contain valuable diamond deposits.
- Geologists studied the diatremes to understand the area's volcanic history.
- These diatremes were formed millions of years ago by violent underground explosions.
- The kimberlite diatremes are the primary source of diamonds in this mine.
- Erosion has exposed several ancient diatremes across the landscape.