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Showing results for tags 'carbon-14'.
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First AMS radiocarbon date for the Mount Holly Mammoth, Vermont, USA.
Oxytropidoceras posted a topic in Fossil News
First Humans in New England May Have Shared the Landscape With Woolly Mammoths Science Daily article, March 4, 2021, Dartmouth College Science Tech Daily article, March 4, 2021, Dartmouth College The paper is: Nathaniel R. Kitchel, Jeremy M. Desilva. 2021, First AMS radiocarbon date and stable C:N isotope analysis for the Mount Holly Mammoth, Vermont, USA. Boreas, Yorus, Paul H. -
One of the strongest known solar storms blasted Earth in 660 B.C.
Oxytropidoceras posted a topic in Rocks & Minerals
One of the strongest known solar storms blasted Earth in 660 B.C. Traces left in ice cores and tree rings allowed researchers to estimate the storm’s power, Carolyn Grambling, March 11, 2019 https://www.sciencenews.org/article/one-strongest-known-solar-storms-blasted-earth-660-bc Ice cores reveal huge solar storm struck Earth around 660 BC Hamish Johnston, Physics World, March 12, 2019 https://physicsworld.com/a/ice-cores-reveal-huge-solar-storm-struck-earth-around-660-bc/ The paper is: O’Hare, P., Mekhaldi, F., Adolphi, F., Raisbeck, G., Aldahan, A., Anderberg, E., Beer, J., Christl, M., Fahrni, S., Synal, H.A. and Park, J., 2019. Multiradionuclide evidence for an extreme solar proton event around 2,610 BP (∼660 BC). Proceedings of the National Academy of Sciences, p.201815725. https://www.pnas.org/content/early/2019/03/05/1815725116.short Yours, Paul H.-
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