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fault breccia

noun
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variants: or fault rubble

Definition of fault breccia

: a rock composed of angular fragments that have resulted from movement along a fault : crush breccia

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“Fault breccia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fault%20breccia. Accessed 4 Mar. 2021.

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