breccia
IPA: brˈɛtʃʌ
noun
- (petrology) A rock composed of angular fragments in a matrix that may be of a similar or a different material.
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Examples of "breccia" in Sentences
- A breccia is a rock made up of angular pebbles or fragments of other rocks.
- In some cases rare stone types, such as breccia corallina, cipollino marina and some as yet unidentified stone types were used.
- Many beds of siliceous gravel are cemented together by a siliceous cement, and are called breccia; as the plumb-pudding stones of
- Uranium mining in the geologic formations known as breccia pipes that abound in the area around the Grand Canyon did occur during the 1980s but diminished as the prices dropped.
- It may also be called a breccia, for it is composed of black fragments, larger or smaller, derived from other rocks, whose angular shape indicates that they have not travelled far from the spots where they occur.
- I am afraid that -- what between squeezing and heating -- she would flatten us all out into phosphatic fossils, about an inch thick; and turn Winchester city into a "breccia" which would puzzle geologists a hundred thousand years hence.
- Squeezing through the narrow walls -- some are smooth marble, others multicolored rock fragments called breccia that appear to be cemented together -- the forces that carve and polish Mosaic Canyon with each passing storm are easy to appreciate.
- As the San Francisco Chronicle reports: Steve Squyres, a Cornell astronomer and the rover's chief scientist, said Thursday that the rugged rock is a form of breccia, jumbled fragments of minerals cemented together and apparently thrown up from beneath the planet's surface by some monstrous impact that happened millions - or perhaps billions - of years ago.
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