Abstract
Intervenções realizadas no Sítio Arqueológico Pedra do Alexandre resultaram na exumação de vestígios ósseos. No entanto, tentativas de uma datação direta mostraram-se infrutíferas pelas perdas de colágeno provocadas por processos diagenéticos. A partir desta constatação deu-se início à investigação para saber o que ocasionou tais processos ao mesmo tempo em que foi experimentada a datação direta através do uso da espectroscopia de RPE. A partir das análises realiadas é possível concluir que todo o conjunto de vestígios ósseos do referido sítio deve ter sido diageneticamente alterado. A RPE por sua vez mostra-se capaz de datar dentes provenientes dos indivíduos exumados.BONE DIAGENESIS STUDY AND DIRECT DATING EXPERIMENT OF THE BURIALS FROM THE PEDRA DO ALEXANDRE ARCHAEOLOGICAL SITE - RNABSTRACTArchaeological interventions in the Pedra do Alexandre Archaeological Site resulted in the exhumation of skeletal remains. However, attempts to direct date the individuals proved fruitless due to the loss of collagen caused by diagenetic processes. From that finding, this research was initiated to know what caused these processes at the same time that was tried the direct dating using EPR spectroscopy. From these sample analyses we conclude that the entire set of skeletal remains of the said site must have been diagenetically altered. The EPR spectroscopy in turn proves to be able to fully date teeth from the exhumed individuals.Keywords: Pedra do Alexandre; Diagenesis; EPR spectroscopy; Archaeometry
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