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Origin and provenance of spherules and magnetic grains at the Younger Dryas boundary
One or more bolide impacts are hypothesized to have triggered the Younger Dryas cooling at ∼12.9 ka. In support of this hypothesis, varying peak abundances of magnetic grains with iridium and magnetic microspherules have been reported at the Younger Dryas boundary (YDB). We show that bulk sediment a...
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| Auteurs principaux: | , , , , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
National Academy of Sciences
2013
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3780899/ https://ncbi.nlm.nih.gov/pubmed/24009337 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1304059110 |
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