Scientists on the volcanic Greek island of Lesbos say they have found a rare fossilised tree. Produced by successive volcanic eruptions, its vividly coloured fossilised trunks are witness to the explosions that buried much of Lesbos under lava and ash between 17 and 20 million years ago. Stretching across almost all of the Greek island’s western peninsula, the petrified forest, a Unesco global geopark, is among the largest in the world.

'Unique' petrified tree up to 20m years old found intact in Lesbos ► https://www.theguardian.com/world/202...

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