Origins of the sarsen megaliths at Stonehenge

@article{Nash2020OriginsOT,
  title={Origins of the sarsen megaliths at Stonehenge},
  author={David J. Nash and T. Jake R. Ciborowski and J. Stewart Ullyott and Mike Parker Pearson and Timothy Darvill and Susan Greaney and Georgios Maniatis and Katy A. Whitaker},
  journal={Science Advances},
  year={2020},
  volume={6}
}
Geochemical evidence suggests the large sarsen stones at Stonehenge originate from the vicinity of West Woods, Wiltshire. The sources of the stone used to construct Stonehenge around 2500 BCE have been debated for over four centuries. The smaller “bluestones” near the center of the monument have been traced to Wales, but the origins of the sarsen (silcrete) megaliths that form the primary architecture of Stonehenge remain unknown. Here, we use geochemical data to show that 50 of the 52 sarsens… 
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References

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The sarsen stones of Stonehenge
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The stone circles at Stonehenge consist of two main types of stone, a bluestone and a sarsen stone. Both types have been transported many miles from their original outcrops, the bluestones from the
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Abstract Geologists and archaeologists have long known that the bluestones of Stonehenge came from the Preseli Hills of west Wales, 230km away, but only recently have some of their exact geological
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No detailed explanation has yet been provided for the origin of sarsens (silicified Cenozoic sediments) which are widely distributed across southern England (Fig. 1). The problem of sarsen formation
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