骨角砾岩

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.

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

{Coin breccia}, a breccia containing coins.