There were 20 possible sources of the sedimentary rocks with a similar compositional signature, with West Woods, Wiltshire (southern Marlborough) being the direct match.For centuries, experts could not explain the origins of Stonehenge. Critically, 50 of the 52 sarsens—including the Phillips core’s parent—had a practically identical chemical makeup, suggesting the stones all came from a single site. It has been known for a while that the 42 smaller so-called ‘bluestones’ came from Preseli hills in Pembrokeshire, Wales, a substantial distance away. Long-lost relic may reveal origins of Stonehenge. Available Full Episodes. The geochemical approach involved examining stone samples from the 50s. "That showed us that most of the stones have a common chemistry, which led us to identify that we're looking for one main source here," said Nash. Despite being more than 99% silica, the stones also contained traces of other elements, including aluminum, carbon, iron, potassium, and magnesium. Pinning down the source of the large blocks known as sarsens that form the bulk of …

When the workers lifted one of them, Stone 58, they realized it was cracked. Oregon state police arrive in Portland in push to stop riots. You May Also Like. USA TODAY. Scientists Trace Lineage of the COVID Virus in BatsThe discovery raises more questions too. Stonehenge discovery: Origins of large sarsen stones finally traced. Beginning around 3000 B.C.E., Stonehenge was built up over hundreds of years as a ceremonial spot by people hailing from what today is Wales. So they cut a hole through it and pinned it with a metal bolt to reinforce it. "Was it simply their shape and size that attracted attention? By Michael Price Jul. Knowing the stones’ origin could reveal future excavation sites in the region, shedding light on the ancient stoneworkers who constructed these mysterious monuments.Nash’s team then pulverized half of the Phillips core and ran it through a gantlet of chemical analyses that return a much higher resolution signature than x-ray spectrometry can provide.Nash and University of Brighton geologist Jake Ciborowski used a portable x-ray spectrometer—which Nash says “looks a bit like a ray gun from an old sci-fi movie”—to take nondestructive surface readings of all 52 sarsens’ chemical compositions. In a recent study, scientists have finally discovered where the rocks came from and its connection to other stones in West Rocks, Marlborough nearby.Sign up to get the latest science news delivered weekly right to your inbox!Rare, "Ghostly" Sun Particles Found Under A Mountain in ItalySpaceX, NASA On the Lookout Before Endeavor SplashdownLove Shellfish? But after decades of bluestone-focused research, he’s happy to see sarsens getting their due.

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