Definition of breccia in English:

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Pronunciation: /ˈbrɛtʃə/
Pronunciation: /ˈbrɛtʃɪə/


[mass noun] Geology
Rock consisting of angular fragments of stones cemented by finer calcareous material: copious quantities of breccia
More example sentences
  • It weights 751 grams and consists of breccia - sintered fragments of various minerals from lunar continents.
  • Intrusive breccias can be the host for metallic ore deposits and aesthetic mineral specimens.
  • Breccias are associated with mechanical weathering in regions of high tectonic activity.



Example sentences
  • Fractures due to faulting were found to traverse and brecciate the fluorite and calcite in some places.
  • As the impacting body forces its way into the Earth's crust, it brecciates and melts the rocks in its way.
  • The explosive expansion brecciates and mixes the magmatic and sedimentary material.


Pronunciation: /brɛtʃˈeɪʃ(ə)n/
Example sentences
  • This would best be done by careful engineering - noting areas of brecciation and serpentinisation.
  • It is composed of a silicified core and flanked by more friable sulfides showing evidence of later tectonic brecciation.
  • The brecciation is probably a result of removal of evaporites from the underlying Moose River Formation.


Late 18th century: from Italian, literally 'gravel', ultimately of Germanic origin and related to break1.

For editors and proofreaders

Line breaks: brec|cia

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