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PALEODIET: Calibration and application of novel stable isotope (Ca, Sr and Zn) proxies for paleodietary reconstructions

Subject Area Prehistory and World Archaeology
Classical, Roman, Christian and Islamic Archaeology
Mineralogy, Petrology and Geochemistry
Term from 2017 to 2023
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 378496604
 
Final Report Year 2023

Final Report Abstract

The main outcomes of our research were the discoveries of: The preservation of diet-related Zn isotope ratios in fossil tooth enamel even in the absence of any collagen preservation, which is typically used for stable isotope analysis for diet reconstructions. - The trophic level assessment of two fossil hominins for which diet reconstruction was not possible otherwise in the absence of collagen preservation: one Homo sapiens of Tam Pa Ling (Late Pleistocene, Laos) and one Homo neanderthalensis of Gabasa (Middle Pleistocene, Spain). - The confirmation that hyenas systematically exhibit higher Zn isotope ratios compared to other sympatric carnivore species, probably because of bone consumption. - The absence of a systematical difference between grazers and browsers in their enamel Zn isotope ratios. - The fact that Zn isotope ratios can track the weaning age among human populations.

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