Natural nuclear fission explosions occurred in the geological past at Oklo in Gabon

the verdict

SUPPORTED

the evidence backs this

Recorded sources

4 sources for · 0 against

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

Multiple scientific studies confirm that natural nuclear fission reactors operated in the geological past at Oklo in Gabon, evidenced by unique uranium and xenon isotopic signatures.

The analysis

The claim is a specific, empirical historical-scientific fact that is thoroughly supported by multiple retrieved papers documenting the geology, isotopic signatures, and history of the Oklo natural nuclear reactors in Gabon.

Evidence for · 4

Record of cycling operation of the natural nuclear reactor in the Oklo/Okelobondo area in Gabon.

Recorded source metadata

Meshik AP, Hohenberg CM, Pravdivtseva OV. Record of cycling operation of the natural nuclear reactor in the Oklo/Okelobondo area in Gabon.. 2004. https://doi.org/10.1103/physrevlett.93.182302

The study analyzes fission noble gases associated with the 2 billion-year-old Oklo natural nuclear reactor in Gabon.

Source citation format

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More for · 3

Petrographic relationships between mineral phases and bitumen in the Oklo Proterozoic natural fission reactors, Gabon

Recorded source metadata

John Parnell. Petrographic relationships between mineral phases and bitumen in the Oklo Proterozoic natural fission reactors, Gabon. 1996. https://doi.org/10.1180/minmag.1996.060.401.04

The paper discusses petrographic relationships within the Proterozoic natural fission reactors at Oklo, Gabon.

Source citation format

The role of mass spectrometry to study the Oklo-Bangombé natural reactors.

Recorded source metadata

De Laeter JR, Hidaka H. The role of mass spectrometry to study the Oklo-Bangombé natural reactors.. 2007. https://doi.org/10.1002/mas.20141

It details the 1972 discovery of chain reactions at the Oklo natural reactors in Gabon via uranium isotope anomalies.

Source citation format

Oklo: historic and lessons learned.

Recorded source metadata

Nimal JC. Oklo: historic and lessons learned.. 2023. https://doi.org/10.1093/rpd/ncad043

The article reviews the presence and historical significance of natural nuclear reactors in Gabon during earlier geological eras.

Source citation format

The paper trail · every fact has a biography

first checked02 Aug 2026

judged → SUPPORTED · 8202 Aug 2026

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