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the claim

Helium-3 and Helium-4 are actively produced by Earth's core

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 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 helium-3 and Helium-4 are actively produced by Earth's core?

Yes. Recent geochemical modeling and isotope studies provide strong support for the proposition that Earth's core stores primordial helium-3 and actively exchanges it with the mantle.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

The claim that Helium-3 and Helium-4 are actively produced or supplied by Earth's core is evaluated against the retrieved literature. Papers [1] and [4] explicitly discuss the presence of primordial helium-3 in the core and model the core-mantle exchange where helium is transferred from the core into the mantle to feed surface plumes. The remaining papers focus on subduction, mantle wedge serpentinization, or crustal degassing without contradicting core-mantle volatile exchange. Therefore, the evidence supports the claim.

Evidence for · 2
Primordial Helium‐3 Exchange Between Earth's Core and Mantle
2022
Primordial Helium‐3 Exchange Between Earth's Core and Mantle demonstrates that the core acquired petagrams of helium-3 during accretion and actively feeds the mantle over geologic time.
Get citation
Olson, P. L. & Sharp, Z. D. (2022). Primordial Helium‐3 Exchange Between Earth's Core and Mantle. doi.org. https://doi.org/10.1029/2021gc009985

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More for · 1
Long-term core-mantle interaction explains W-He isotope heterogeneities.
2023
Long-term core-mantle interaction explains W-He isotope heterogeneities establishes that isotopic diffusion transports primordial helium from the core into the lower mantle to supply plume-source materials.
Get citation
AL, F. & J, K. (2023). Long-term core-mantle interaction explains W-He isotope heterogeneities.. doi.org. https://doi.org/10.1073/pnas.2215903120

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Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8404 Aug 2026
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