The 2 billion year old natural nuclear reactor in Gabon, Africa

In Gabon, Africa is a strange geologic phenomena. Approximately 1.7 billion years ago, a natural nuclear reactor formed without any human intervention at what is now the Oklo Mine.

It formed due in part to an unusually dense uranium deposit alongside a consistent supply of groundwater. Thus, for several hundred thousand years, a natural fission reaction took place.

This video, made by a geologist who is based in Arizona, will discuss this fascinating geologic oddity.

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