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fault rock

noun
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Definition of fault rock

: a rock that consists of fragments produced by the crushing and grinding which accompany a dislocation and is often found along the fault plane — compare crush breccia, crush conglomerate

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“Fault rock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fault%20rock. Accessed 26 Feb. 2021.

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