Some of the ideas discussed in this blog are published in my new book called "The Stonehenge Bluestones" -- available by post and through good bookshops everywhere. Bad bookshops might not have it....
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Friday, 8 January 2021

Gas explosion craters in permafrost

This is an interesting article from the BBC web site:

It describes a series of craters formed in Siberia, where a rather unique combination of factors in the permafrost layers causes a buildup of methane gas trapped beneath the surface frozen layer, and then an explosion which leaves a spectacular steep-sided crater behind.  Some of the explosions are accompanied by flames and smoke.  There are no observations of a natural explosive methane gas event actually happening, but as the permafrost continues to melt, there will be more and more of them.......

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