breccia
/ˈbrɛtʃə
/ /ˈbrɛtʃɪə/noun [mass noun] Geology
Rock consisting of angular fragments of stones cemented by finer calcareous material: copious quantities of breccia...
- 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.
Derivatives
brecciate
- 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.
brecciation
- 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.
Origin
Late 18th century: from Italian, literally 'gravel', ultimately of Germanic origin and related to break1.
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