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the claim

Erosion processes create rounded rock formations in waterfalls

the verdict
SUPPORTED
the evidence backs this
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that erosion processes create rounded rock formations in waterfalls?

Yes. Geological and experimental evidence confirms that erosion processes, such as particle impact abrasion and plunging flows in waterfalls, create rounded rock formations like plunge pools and marmites.

Verdict: SUPPORTED · 5 sources for, 0 against · Last checked

The analysis

The claim states that erosion processes create rounded rock formations in waterfalls. Multiple retrieved studies (such as [0], [1], [3], [6], and [10]) investigate waterfall erosion and explicitly document the formation of rounded bedrock features, plunge pools, and marmites carved by hydraulic action and particle abrasion. None of the papers refute the claim. Therefore, the verdict is SUPPORTED.

Evidence for · 5
A Mechanistic Model of Waterfall Plunge Pool Erosion into Bedrock
2017
The paper models waterfall plunge pool erosion into bedrock via abrasion from particle impacts, demonstrating how vertical and lateral erosion create scoured plunge pool formations.
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Scheingross, J. S. & Lamb, M. P. (2017). A Mechanistic Model of Waterfall Plunge Pool Erosion into Bedrock. doi.org. https://doi.org/10.1002/2017jf004195

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More for · 4
Self‐formed waterfall plunge pools in homogeneous rock
2017
The study demonstrates through laboratory experiments that waterfall plunge pool erosion carves bedrock and forms rounded depression features like plunge pools via particle impact abrasion.
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Scheingross, J., Lo, D., & Lamb, M. (2017). Self‐formed waterfall plunge pools in homogeneous rock. doi.org. https://doi.org/10.1002/2016GL071730

Experiments on Pool Formation in Bedrock Canyons
2022
The experiment demonstrates how plunging flows at bed level scour and carve deep pools and associated widening morphologies in bedrock canyons.
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Cao, Z., Venditti, J., & Li, T. (2022). Experiments on Pool Formation in Bedrock Canyons. doi.org. https://doi.org/10.1029/2021JF006456

Two-stage opening of the Dover Strait and the origin of island Britain.
2017
The discovery of giant plunge pools incised into bedrock supports the mechanism of waterfall erosion forming rounded depressions and features in rock.
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S, G., JS, C., D, G., F, O., A, T., K, V., M, D. B., T, C., G, P., B, V. V., & JC, A. (2017). Two-stage opening of the Dover Strait and the origin of island Britain.. doi.org. https://doi.org/10.1038/ncomms15101

Mastodon footprints found to be water erosion in the Quebrada de Chalán (Licto, Ecuador).
2022
The investigation confirms that geological depressions previously mistaken for animal footprints were actually marmites (rounded cavities) formed by water erosion in the ravine.
Get citation
B, M., M, J., P, P. C., J, H., J, L., D, B., & G, P. (2022). Mastodon footprints found to be water erosion in the Quebrada de Chalán (Licto, Ecuador).. doi.org. https://doi.org/10.12688/f1000research.123579.2

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What does the evidence say?

The claim states that erosion processes create rounded rock formations in waterfalls. Multiple retrieved studies (such as [0], [1], [3], [6], and [10]) investigate waterfall erosion and explicitly document the formation of rounded bedrock features, plunge pools, and marmites carved by hydraulic action and particle abrasion. None of the papers refute the claim. Therefore, the verdict is SUPPORTED.

Receipt History
first checked05 Aug 2026
judged → SUPPORTED · 8605 Aug 2026
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