1. a rock composed of angular fragments of minerals or rocks cemented together
Usage: geology

Examples

• The geologist identified the sample as breccia due to its sharp, angular fragments.
• Volcanic breccia forms when explosive eruptions create angular rock pieces that later cement together.
• The cliff face showed layers of breccia mixed with sandstone.
• Students learned to distinguish breccia from conglomerate by examining the shape of the rock fragments.
• The ancient impact crater contained shocked breccia formed during the meteorite collision.
• Fault breccia develops along fracture zones where rocks are crushed and recemented.