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the claim
Natural diamonds form under high temperature and pressure conditions in Earth's mantle.
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
4 sources for · 0 against

Natural diamonds form under high temperature and pressure conditions in Earth's mantle, as supported by experimental petrology and mineralogical studies of mantle inclusions.

Evidence for · 4
Carbonatitic Melts and Their Role in Diamond Formation in the Deep Earth
2021 · cited by 17
Paper [3] discusses carbonatitic melts and high-pressure-high-temperature conditions driving diamond formation in the deep Earth mantle.
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The analysis

The retrieved papers include multiple recent experimental and observational studies on diamond genesis in Earth's mantle under high pressure and temperature conditions. All relevant papers support the claim, and none refute it.

More for · 3
Diamond formation in an electric field under deep Earth conditions
2021 · cited by 11
Paper [4] experimentally demonstrates diamond crystallization from carbonate-rich melts under Earth's lithospheric mantle pressure-temperature conditions.
The role of C-O-H-F-Cl fluids in the making of Earth's continental roots.
2025 · cited by 1
Paper [7] notes the role of mantle fluids and metasomatism in diamond genesis within Earth's deep continental roots.
Superdeep Diamond Genesis Through Fe-Mediated Carbonate Reduction
2025 · cited by 1
Paper [11] investigates superdeep diamond formation via high-pressure and high-temperature carbonate reduction experiments simulating mantle conditions.
The paper trail · every fact has a biography
first checked04 Aug 2026
judged → SUPPORTED · 8304 Aug 2026
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