How an ancient cow's tooth could help solve the mystery of Stonehenge
Briefly

Independent requests donations to fund on-the-ground reporting across topics including reproductive rights, climate change and Big Tech while keeping reporting free of paywalls. A cow's jawbone discovered beside Stonehenge's south entrance in 1924 was dated to 2995–2900 BCE. Researchers from the British Geological Survey, Cardiff University and University College London performed isotope analysis on the animal's third molar to investigate diet, environment and movement. The isotopic evidence corroborates an earlier-identified connection between Stonehenge and two quarries in Wales believed to supply the monument's standing bluestones. Lead isotopes showed composition spikes during late winter to spring.
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An ancient cow's tooth has revealed fresh details about the mysteries of Stonehenge that have baffled scientists for centuries. The new evidence has confirmed the link first identified by archaeologists and geologists in the 2010s between Stonehenge and two quarries in Wales, which are believed to be the sources of the historic Wiltshire landmark's legendary standing bluestones. In a discovery that has intrigued historians for more than a century, archaeologists found a cow's jawbone in 1924 that had been carefully placed beside the south entrance to Stonehenge and dated it between 2995 and 2900 BCE. Researchers from the British Geological Survey (BGS), Cardiff University and University College London (UCL) have now used isotope analysis on the cow's third molar tooth for clues about the animal's diet, environment and movement.
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