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the claim
Erosion processes create rounded rock formations in waterfalls
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
5 sources for · 0 against

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.

Evidence for · 5
A Mechanistic Model of Waterfall Plunge Pool Erosion into Bedrock
2017 · cited by 57
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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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.

More for · 4
Self‐formed waterfall plunge pools in homogeneous rock
2017 · cited by 41
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.
Experiments on Pool Formation in Bedrock Canyons
2022 · cited by 9
The experiment demonstrates how plunging flows at bed level scour and carve deep pools and associated widening morphologies in bedrock canyons.
Two-stage opening of the Dover Strait and the origin of island Britain.
2017 · cited by 6
The discovery of giant plunge pools incised into bedrock supports the mechanism of waterfall erosion forming rounded depressions and features in rock.
Mastodon footprints found to be water erosion in the Quebrada de Chalán (Licto, Ecuador).
2022 · cited by 1
The investigation confirms that geological depressions previously mistaken for animal footprints were actually marmites (rounded cavities) formed by water erosion in the ravine.
Everything we examined (12)
We also searched for evidence AGAINST this claim, not only for it.
  1. A Mechanistic Model of Waterfall Plunge Pool Erosion into Bedrockpeer-reviewedsupports
  2. Self‐formed waterfall plunge pools in homogeneous rockpeer-reviewedsupports
  3. Bedrock-alluvial streams with knickpoint and plunge pool that migrate upstream with permanent formpeer-reviewedno side takennot shown: read and judged not to bear on this claim
  4. Experiments on Pool Formation in Bedrock Canyonspeer-reviewedsupports
  5. Amphitheater-headed canyons formed by megaflooding at Malad Gorge, Idaho.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  6. Erosion during extreme flood events dominates Holocene canyon evolution in northeast Iceland.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  7. Two-stage opening of the Dover Strait and the origin of island Britain.peer-reviewedsupports
  8. Mass balance controls on sediment scour and bedrock erosion in waterfall plunge poolspeer-reviewedno side takennot shown: read and judged not to bear on this claim
  9. Impacts of Spontaneous Waterfall Development on Bedrock River Longitudinal Profile Morphologypeer-reviewedno side takennot shown: read and judged not to bear on this claim
  10. Experiments on Constriction‐Pool‐Widening Morphology in Bedrock Canyonspeer-reviewedno side takennot shown: read and judged not to bear on this claim
  11. Mastodon footprints found to be water erosion in the Quebrada de Chalán (Licto, Ecuador).peer-reviewedsupports
  12. Controls on Erosion and Cyclic Step-Formation Upstream of Waterfalls.peer-reviewedno side takennot shown: read and judged not to bear on this claim
The paper trail · every fact has a biography
first checked05 Aug 2026
judged → SUPPORTED · 8605 Aug 2026
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