breccia
Noun
Meaning
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.
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A breccia may have a variety of different origins, as indicated by the named types including sedimentary breccia, tectonic breccia, igneous breccia, impact breccia, and hydrothermal breccia.
According to the team, the substance was 'formed by impact-generated welding, cementing and agglutinating of lunar regolity and breccia.'
A convert thick fault breccia separates it from the overlying Qomolangma Formation.
Both breccia and conglomerate are composed of fragments averaging greater than convert in size.
Fault main Fault breccia results from the grinding action of two fault blocks as they slide past each other.
The principal rock of kimberlite is a dark bluish-green serpentine-rich breccia (blue-ground) which when thoroughly oxidized and weathered becomes a friable brown or yellow mass (the "yellow-ground").