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Stable Isotope Dietary Analysis of Bison Bone Samples from the Hudson-Meng Bonebed: Effects of Paleotopography

Jahren, A.H ; Todd, L.C ; Amundson, R.G

Journal of archaeological science, May 1998, Vol.25(5), pp.465-475 [Periódico revisado por pares]

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  • Título:
    Stable Isotope Dietary Analysis of Bison Bone Samples from the Hudson-Meng Bonebed: Effects of Paleotopography
  • Autor: Jahren, A.H ; Todd, L.C ; Amundson, R.G
  • Assuntos: Hudson-Meng Bison Bonebed ; Stable Isotopes In Bone ; Hudson-Meng Bison Bonebed ; Stable Isotopes In Bone ; History & Archaeology
  • É parte de: Journal of archaeological science, May 1998, Vol.25(5), pp.465-475
  • Descrição: Selected fossil bison rib bones from the Hudson-Meng bonebed (early Holocene age) were studied in order to assess possible sources of isotopic variability along a north-south transect which spans large variations in paleotopography and resulting hydrological conditions. Analyses performed on the specimens included microscopic examination in thin-section, determination of δ13C values in collagen, and determination of δ13C and δ18O values in bone carbonate. Explanations for spatial trends in isotopic data centre around the effects of pre-burial topography upon deposition and preservation of skeletal samples, arguing for enhanced analysis and consideration to be given to site paleosurface characteristics during the selection of specimens for paleodietary and paleoclimate analysis. All enamel and bone carbonate data suggest a diet δ13C value between ∼−19 and ∼−20‰ for these early Holocene animals, while most collagen values predict dietary δ13C values ranging from ∼−21 to ∼24·5‰....
  • Idioma: Inglês

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