noun
- Plural of breccia; rock formations composed of angular fragments of minerals or rock cemented together by a fine-grained matrix.
Usage: geology; technical
Examples
- The geologist examined the breccias exposed in the cliff face to understand the region's tectonic history.
- These breccias formed from the fragmentation and cementation of rock during fault movement.
- The quarry produces decorative breccias that are popular for flooring and countertops.
- Breccias can indicate past earthquakes or volcanic activity in an area.
- The museum's mineral collection includes several colorful breccias from around the world.