Scientists narrow search for Stonehenge's mysterious altar stone origin
Summarised from 2 outlets · Updated 5 Nov, 14:24 · Archive
Researchers have refined the search for where Stonehenge's six-tonne altar stone originated.
An international team of scientists has moved closer to solving the mystery of Stonehenge's altar stone, a six-tonne sandstone slab at the heart of the ancient monument. Researchers from Aberystwyth University and the University of South Wales used mineralogical, chemical, and isotopic analysis to examine fragments of the stone and compare its features with possible source locations. The study was published in the Journal of the Geological Society.
Professor Richard Bevins from Aberystwyth University said the research significantly refines the search by identifying specific geological characteristics to look for. Previous research had pointed to Scotland as the most likely source, overturning the assumption of nearly a century that the stone came from west Wales. The latest study ruled out several previously suggested source areas.
So far, searches in the Orcadian Basin in north-east Scotland have not revealed a location matching the altar stone's characteristics. Professor Bevins said each new piece of evidence moves the investigation closer to solving one of Stonehenge's enduring mysteries.

How it is being reported
- Mystery origin of iconic Stonehenge Altar Stone deepensScientists at Aberystwyth University say the search is a geological detective storyCambrian News · 5 Nov, 14:00
- Scientists move closer to solving Stonehenge mystery helped by mid Wales expertsThe mystery behind the origins of Stonehenge's altar stone has moved a step closer to being solved thanks in part to the work of scientists in mid Wales.County Times · 5 Nov, 10:26
In this story: Stonehenge · Aberystwyth University · University of South Wales · Scotland · Orcadian Basin · Richard Bevins
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