Breccia 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.
... shape, and were surrounded by reef. The top reef was a loose shale, and had given great trouble from the frequent slips. Below this were strata of trachitic breccia and augite; the formation was then ... — Scientific American Supplement, No. 392, July 7, 1883 • Various
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