Breccia (/ ˈbrɛ (t) ʃiə / BRETCH-ee-ə, BRESH-; Italian: [ˈbrettʃa]; Italian for 'breach') is a clastic rock composed of large angular broken fragments of minerals or rocks cemented together by a …

Breccia is a term most often used for clastic sedimentary rocks that are composed of large angular fragments (over two millimeters in diameter). The spaces between the large angular …

Apr 13, 2018 · Breccia is a type of sedimentary rock that plays a significant role in the field of geology. It is characterized by its distinctive appearance, which consists of angular rock …

Jun 9, 2025 · Learn what breccia rock is, including its composition, geology, uses, and difference from conglomerate rock.

Dec 13, 2025 · Breccia, lithified sedimentary rock consisting of angular or subangular fragments larger than 2 millimetres (0.08 inch). It differs from a conglomerate, which consists of rounded …

Nov 10, 2025 · Breccia is a rock with a distinctive texture: it is made of angular rock fragments (clasts) that are bound together by a finer matrix or a mineral cement. The angularity of the …

Bubbles frozen in a porous or frothy volcanic rock are called vesicles, and the process of bubble formation is called vesiculation or gas exsolution. The dissolved gases can escape only when …

Jul 9, 2005 · DESCRIPTION: Breccia is the name widely applied to a diverse group of rocks that consist of angular, greater-than sand-size fragments surrounded by a finer grained matrix.

As a clastic sedimentary rock, breccia is, by definition, composed of rock and/or mineral fragments. These fragments are broken pieces of older rocks that have been transported to …

Type Sedimentary Rock Origin Detrital/Clastic Texture Clastic; Coarse-grained (2 – 64 mm) Composition Quartz, Feldspar, Lithics Color Reddish brown Miscellaneous Angular clasts in a …