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Independent evaluation of conflicting microspherule results from different investigations of the Younger Dryas impact hypothesis
Firestone et al. sampled sedimentary sequences at many sites across North America, Europe, and Asia [Firestone RB, et al. (2007) Proc Natl Acad Sci USA 106:16016–16021]. In sediments dated to the Younger Dryas onset or Boundary (YDB) approximately 12,900 calendar years ago, Firestone et al. reported...
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| Glavni autori: | , , , , , , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
National Academy of Sciences
2012
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| Teme: | |
| Online pristup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3497834/ https://ncbi.nlm.nih.gov/pubmed/22988071 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1208603109 |
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