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Re: vapor versus gas



Referring to the 1986 accident at Lake Nyos, in Cameroon,
West Africa,

Leigh Palmer wrote:

.... I know Bill's example was produced by man,
but Nature can produce many surprises of her own.

One of them, from the very same region (now Gabon,
next to Cameroon), was the famous OKLO phenomenon,
a nuclear reactor operating 2 million (?) years ago.

That would be two billion years ago. The concentration
of U235 was higher then. U235 has a half life of 710
million years. Two million years wouldn't make much
difference.

Leigh