anart
A Disturbance in the Force
Pagan said:Keep in mind that 1.8 billion years ago there was very little life on Earth. Very simple organisms only. So unless you are taking about time travellers going back and starting this reactor up, I don't see how it could be anything other than an, admittedly very odd, natural occurrence. I realize that the Cassies have some issues with the geological time scale however. Nevertheless, this is a VERY long time ago. I am not sure how breathable the atmosphere was back then. I would have to look it up.
Also, current enriched uranium reactors can run on fuel enriched to 3% U-235. Typically, enriched uranium fuel is 2.5 to 5% U-235. Some of the Canadian built CANDU reactors don't use enriched uranium at all. They run on natural uranium with 0.7% U-235. These reactors, however, require heavy water.
Still, Oklo is a very strange phenomenon. I have never heard of anyone finding a similar site anywhere else. As far as I know it is geologically unique.
If you've not yet read Michael Cremo's 'Forbidden Archeology', you might want to. It will shake up your idea that there were only 'very simple' organisms on the planet 1.8 billion years ago.