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The news is the accurate dating, not the existence of the site (which is so well known that it is a UNESCO World Heritage site).
by not2b 5y ago
The news is the accurate dating, not the existence of the site (which is so well known that it is a UNESCO World Heritage site).
- pvaldes 5y agoThat depends entirely on the species of tree. Absolutely crucial in this case. Do they mention this data in the article?
- flyingfences 5y agoThe species is actually not absolutely crucial in this case. The trees were dated by looking for solar flare activity in the rings; the trees are known to have been cut by Vikings because they were cut with steel tools.
- roywiggins 5y agoYes, at least two species of tree. You can read which ones in the paper!