The findings strongly help the concept that Neolithic builders deliberately transported the stones over huge distances.
Stonehenge is a UNESCO World Heritage Web site (Picture: Getty)
Certainly one of archaeology’s longest-running arguments might lastly be put to relaxation. New analysis suggests the large bluestones at Stonehenge weren’t dumped on Salisbury Plain by ice-age glaciers, however intentionally hauled there by individuals — a conclusion that dramatically reshapes how the monument is known.
A examine led by Curtin College has discovered no geological proof that glaciers ever reached the positioning, undermining a concept that has lingered for greater than a century. As an alternative, the findings strongly help the concept that Neolithic builders deliberately transported the stones over huge distances, turning Stonehenge into an much more astonishing feat of human organisation.
A drone view of Stonehenge in Wiltshire (Picture: Getty)
The talk has centred on how the monument’s bluestones — together with the six-tonne Altar Stone — arrived in southern England. Some researchers argued glaciers carried them from Wales or Scotland over the past ice age. Others believed individuals moved them, regardless of the immense logistical problem this may have posed hundreds of years in the past.
To check the competing claims, Curtin scientists used a method often called mineral “fingerprinting”, analyzing microscopic mineral grains preserved in river sediments round Stonehenge. These grains act as geological breadcrumbs, recording the place rocks have travelled and what landscapes they’ve handed by way of.
If glaciers had swept stones throughout Britain and into Salisbury Plain, they’d have left behind a particular mixture of minerals eroded from distant areas. Over time, these rocks would have damaged down, releasing tiny particles that might nonetheless be detected and dated in the present day.
Utilizing superior tools at Curtin’s John de Laeter Centre, the analysis crew analysed greater than 500 zircon crystals — one of the vital sturdy minerals on Earth and a gold customary for reconstructing geological historical past.
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The outcomes have been hanging. There was no signal of the mineral signatures that will be anticipated if ice sheets had ever reached Stonehenge.
Lead creator Dr Anthony Clarke, from Curtin’s Faculty of Earth and Planetary Sciences, stated the absence of proof was decisive.
He defined: “If glaciers had carried rocks all the best way from Scotland or Wales to Stonehenge, they’d have left a transparent mineral signature on the Salisbury Plain.
“These rocks would have eroded over time, releasing tiny grains that we may date to know their ages and the place they got here from. We appeared for these grains in river sands close to Stonehenge and we didn’t discover any.
“That makes the choice clarification — that people moved the stones — way more believable.”
The examine doesn’t declare to unravel exactly how the stones have been transported, solely that ice nearly definitely was not accountable. The human strategies stay open to debate.
Dr Clarke stated: “Some individuals say the stones may need been sailed down from Scotland or Wales, or transported over land utilizing rolling logs. However actually, we would by no means know. What we do know is that ice didn’t do it.”
Co-author Professor Chris Kirkland stated the findings present how trendy geochemical strategies can minimize by way of long-standing historic disputes.
He stated: “By analysing minerals smaller than a grain of sand, we’ve been in a position to take a look at theories which have endured for greater than a century.”
The analysis builds on a significant Curtin-led discovery in 2024 that recognized a Scottish origin for the Altar Stone, reinforcing the concept that Neolithic builders intentionally sourced and moved Stonehenge’s stones throughout extraordinary distances.
Collectively, the research strengthen an image of Stonehenge not as a fortunate accident of geology, however as a monument formed by planning, effort and human intent — elevating recent questions on why it was constructed and what it meant to the individuals who moved mountains to create it.
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