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breccia
[ brech-ee-uh, bresh- ]
noun
, Petrology.
- rock composed of angular fragments of older rocks melded together.
breccia
/ ˈbrɛtʃɪə /
noun
- a rock consisting of angular fragments embedded in a finer matrix, formed by erosion, impact, volcanic activity, etc
breccia
/ brĕch′ē-ə,brĕch′ə,brĕsh′- /
- A rock composed of angular fragments embedded in a fine-grained matrix. Breccias form from explosive volcanic ejections, the compaction of talus, or plate tectonic processes. Breccias are different from conglomerates in that the fragments they contain are angular instead of rounded.
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Derived Forms
- ˈbrecciˌated, adjective
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Word History and Origins
Origin of breccia1
1765–75; < Italian < Germanic; compare Old High German brecha breaking
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Word History and Origins
Origin of breccia1
C18: from Italian, from Old High German brecha a fragment; see breach
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Example Sentences
The specimen of this breccia is attached to a plate of granular quartz, and may possibly have been part of a vein.
From Project Gutenberg
It was discovered by chance in 1858, having been until then hermetically sealed by a mass of limestone breccia.
From Project Gutenberg
Lapping against it, at the mouth of the river, is a curious formation of magnesian breccia.
From Project Gutenberg
Below this were strata of trachitic breccia and augite; the formation was then seamy to an unknown depth.
From Project Gutenberg
What is the difference between trappean breccia and trappean conglomerate?
From Project Gutenberg
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