slickenside
noun
slick·en·side
ˈsli-kən-ˌsīd 
: a smooth often striated surface produced on rock by movement along a fault or a subsidiary fracture
—usually used in plural
Examples of slickenside in a Sentence
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The 150-foot-long and 75-foot-tall surface is one of the largest chert slickensides exposures in California.
—
Thomas Graham, SFChronicle.com, 28 June 2018
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Thomas Graham, SFChronicle.com, 28 June 2018
Cite this Entry
“Slickenside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/slickenside. Accessed 4 Jul. 2025.
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