Bone diagenesis study of the burials from the Pedra do Alexandre archaeological site, Carnaúba dos Dantas, RN
Henry Socrates Lavalle Sullasi, André Luiz Campelo Santos, S. F. D. Da Silva
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95% confidenceInternational MES research in heritage with focus on cultural-heritage. The Pedra do Alexandre archaeological site was a target of several archaeological campaigns, the bone remains from at le...
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Abstract
The Pedra do Alexandre archaeological site was a target of several archaeological campaigns, the bone remains from at least 36 human individuals, and charcoal fragments associated to these burials were among the archaeological findings of the campaigns. The radiocarbon dating provided values between 9400±90 BP and 2620±60 BP. However, attempts to dating the bone remain proved fruitless due to the loss of collagen caused by taphonomic processes. From that finding, this research was initiated to assess the degree of diagenetic alteration of the bone remains from the Pedra do Alexandre archaeological site. FTIR and XRD analyses conducted on 6 random human bone samples from the Site and pH measurements in correlated sediments has enabled us to conclude that all the analyzed bone remains were extensively degraded by microbial activity, although in different degrees of alteration.
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Identifiers
- Journal
- Cadernos do LEPAARQ (UFPEL)
- Year
- 2018