Link to USGS home

Visual Glossary

Mosaic Canyon breccia This breccia is found in Death Valley's Mosaic Canyon. Photo by Ray Nordeen, NPS.

Breccia

Breccia is a coarse-grained sedimentary rock made up of broken rock fragments with relatively sharp corners. These large, angular fragments are cemented by a fine-grained matrix or mineral cement.

 

 

 

Use your Back Button to Return to the Previous Page


FirstGov, 'Your First Click to the U. S. Government'