New dating technology pinpoints time by studying effect of solar storm on tree growth rings
Scientists on Wednesday said a new type of dating technique using a long-ago solar storm as a reference point revealed that the settlement was occupied in 1021 CE, exactly a millennium ago and 471 years before the first voyage of Columbus. The technique was used on three pieces of wood cut for the settlement, all pointing to the same year.
“Much kudos should go to these northern Europeans for being the first human society to traverse the Atlantic,” said geoscientist Michael Dee of the University of Groningen in the Netherlands, who led the study published in the journal Nature. “I think it is fair to describe the trip as both a voyage of discovery and a search for new sources of raw materials,” Dee said. “Many archaeologists believe the principal motivation for them seeking out these new territories was to uncover new sources of timber, in particular. It is generally believed they left from Greenland, where wood suitable for construction is extremely rare.
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