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breccia    
n. 角砾岩,角蛮岩

角砾岩,角蛮岩

breccia
n 1: a rudaceous rock consisting of sharp fragments embedded in
clay or sand

Breccia \Brec"cia\, n. [It., breach, pebble, fragments of stone,
fr. F. br[`e]che; of German origin. See {Breach}.] (Geol.)
A rock composed of angular fragments either of the same
mineral or of different minerals, etc., united by a cement,
and commonly presenting a variety of colors.
[1913 Webster]

{Bone breccia}, a breccia containing bones, usually
fragmentary.

{Coin breccia}, a breccia containing coins.
[1913 Webster]


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  • Breccia - Wikipedia
    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 fine-grained matrix The word has its origins in the Italian language, in which it means ' rubble ' [1]
  • Breccia : Classification, Composition, Formation, Properties ,Uses
    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 fragments and clasts that are cemented together
  • Breccia: Sedimentary Rock - Pictures, Definition, Formation
    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 fragments are filled with a matrix of smaller particles and a mineral cement that binds the rock together
  • Is Breccia Clastic, Organic, or Chemical? - ScienceInsights
    Breccia is a clastic sedimentary rock It forms from broken, angular rock fragments larger than 2 millimeters that get cemented together over time Unlike chemical sedimentary rocks (which precipitate from mineral-rich water) or organic sedimentary rocks (which accumulate from plant or animal remains), breccia is made of physical pieces of pre-existing rock, which is the defining feature of
  • Breccia | Igneous, Sedimentary, Metamorphic | Britannica
    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 clasts
  • Breccia Rock Geology and Uses - ThoughtCo
    Breccia is a sedimentary rock made up of angular particles over two millimeters in diameter (clasts) with the spaces between the particles filled with smaller particles and mineral cement (matrix) The word "breccia" has an Italian origin and means "stone made of cemented gravel "
  • BRECCIAS - Earth Sci
    A crackle breccia, representing incipient brecciation, is one whose fragments are parted by planes of fission and have suffered little or no relative displacement The fragments match along their apposed sides The matrix is confined to the seams and is commonly a chemical deposit
  • Breccia – Formation, Types, and Geologic Significance
    Breccia is a rock composed of angular fragments cemented together It forms through brittle fracturing in many different environments
  • GemRocks: Breccia - Central Michigan University
    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
  • Breccia - New World Encyclopedia
    Breccia (Italian: breach) is a rock composed of angular fragments of rocks or minerals in a matrix (or cementing material) that may be similar to or different in composition from the fragments





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