🔄FROM THE ARCHIVE New techniques for tree-ring analysis solidify the dates of North America's earliest known European settlers.
These days, solar flares — intense bursts of electromagnetic radiation from the sun — spark concern here on Earth due to the damage they can cause to communications technology and the energy grid. But centuries before we worried about GPS satellites and power transformers, these solar storms still left their mark on human technology; at least, when it was still mostly made of wood.
These pieces of wood were also cut by metal blades — something not produced at that point by the Indigenous people in the area. Counting the tree rings, from the solar flare marker in the wood towards the bark, revealed the pieces of wood were cut in A.D. 1021. “The dating is interesting; it does confirm everything else we know about this site,” Wallace says.While the discovery puts the age at an even millennium, it still doesn’t solve many of the lingering questions about L’Anse aux Meadows.
Just the same, Campbell is impressed by the refined technique used for dating the L’Anse aux Meadows site. “The combination of a good site and a superb archaeologist is a wonderful thing,” he says.Campbell believes there is still more to be revealed at the Newfoundland site. Some butternut shells have been discovered, for example — an intriguing piece of evidence since butternut trees are usually only found further to the south in Nova Scotia or New England.
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