brec·cia /ˈbrɛʧ(i)ə/
角礫岩,角蠻岩
Brec·cia n. 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.
Bone breccia, a breccia containing bones, usually fragmentary.
Coin breccia, a breccia containing coins.
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breccia
n : a rudaceous rock consisting of sharp fragments embedded in
clay or sand