Home Archived Aug 4, 2016

USGS Geology in the Parks

Visual Glossary

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


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


Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://geomaps.wr.usgs.gov/parks/rxmin/gbreccia.html
Page Contact Information: Webmaster
Page Last Modified: 03-Oct-2014@11:13