Encyclopedia of Astrobiology

Living Edition
| Editors: Muriel Gargaud, William M. Irvine, Ricardo Amils, Henderson James Cleaves, Daniele Pinti, José Cernicharo Quintanilla, Michel Viso

Polimictic Breccia

  • Daniele L. Pinti
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27833-4_1860-3



A polymictic breccia is a clastic sedimentary rock composed of angular clasts from different origins intermixed in a consolidated matrix. The clast can be formed during tectonic events or meteoric impacts.

See Also


Bioorganic Chemistry Sedimentary Rock Tectonic Event Meteoric Impact Clastic Sedimentary Rock 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Université du Québec à MontréalGEOTOP Research Center for Geochemistry and GeodynamicsMontréalCanada