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Related to breccia: Volcanic breccia


 (brĕch′ē-ə, brĕch′ə, brĕsh′-)
Rock composed of sharp-angled fragments embedded in a fine-grained matrix.

[Italian, of Germanic origin; see bhreg- in Indo-European roots.]


(Geological Science) a rock consisting of angular fragments embedded in a finer matrix, formed by erosion, impact, volcanic activity, etc
[C18: from Italian, from Old High German brecha a fragment; see breach]
ˈbrecciˌated adj


(ˈbrɛtʃ i ə, ˈbrɛʃ-)

rock composed of angular fragments of older rocks melded together.
[1765–75; < Italian < Germanic]
brec′ci•ate`, v.t. -at•ed, -at•ing.
brec`ci•a′tion, n.


A sedimentary rock made of sharp-edged fragments naturally cemented together.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.breccia - a rudaceous rock consisting of sharp fragments embedded in clay or sandbreccia - a rudaceous rock consisting of sharp fragments embedded in clay or sand
rudaceous rock - a sedimentary rock formed of coarse-grained material
References in classic literature ?
The indications would be consistent with the presence of a saber-toothed tiger, such as are still found among the breccia of our caverns; but the creature actually seen was undoubtedly of a larger and more reptilian character.
I noticed that the smaller streams in the Pampas were paved with a breccia of bones but this probably is the effect of a gradual increase, rather than of the destruction at any one period.
Kootenay further reports ongoing ground exploration immediately around a 2-3 km radius of the La Negra Breccia has identified two high priority mineralized trends with clear underlying geologic controls.
Holes S14-203 and 204 were also targeted to extend mineralization to the north and better define the new breccia discovery on section B-B', and both holes intersected smaller intervals of breccia.
13-11 and 13-08 confirm continuity of high-grade gold in the extensive, lower, flat-tabular, collapse breccia body; which is analogous host material for many large Carlin-style deposits.
These breccia pipes, which measure less than 300 feet across, can extend vertically for several thousand feet.
This system can identify sulfides associated with uranium in breccia pipes at a depth of more than a thousand feet.
Exploration completed by Artha suggests the Noeilia Breccia target is an extension of the same structure that hosts Silver Standard's main Pirquitas deposit and the Cortaderas Breccia Project.
The breccia silver mineralization is open to the east and at depth, with possible extensions to the west as indicated from surface exposures.
Analysis of the geologic mapping of the trenches and test pits has also determined that the structure which was thought to be two small breccias is in fact a single larger breccia measuring approximately 2,000 feet by 660 feet.