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In 2001, a boring was advanced in the centre of Messel Pit in a bid to investigate its origins. Lapilli tuffs were encountered at a depth of 240 metres below ground level, proving that the Messel Fossil Site was originally a volcanic crater lake. The boring struck an aquifer rich in sulphur and iron, that today gushes from the borehole, which has since been converted to a well. | |||||||
[click to start 360° Panorama] |