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General Taphonomy and Diagenesis of a Submerged Pleistocene Skeleton from the Cenote of Hoyo Negro, Tulum, Quintana Roo, Mexico: Preliminary Results

Author(s): Vera Tiesler ; PATRICIA QUINTANA ; Dominique Rissolo ; Diana Arano ; James Chatters

Year: 2015

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Summary

This paper examines the macroscopic taphonomy and the diagenesis of a partially lifted preceramic skeleton of a female juvenile (called "Naia"), dated approximately between 13,000 and 12,000 yrs. AP. Naia was recovered at 41 meters below sea level in a submerged karstic cave. Despite the good general preservation of Naia’s remains, the bone segments are brittle, showing changes attributable to time, weathering, changing salinity and micro-organisms. The external bone layer is only loosely attached to the subjacent bony core. Our present research aims to understand the fluctuating postmortem conditions of Naia, to prospect the analytical possibilities for conducting molecular research, and assisting mid and long term stabilization measures of the dental and bony remains. The study combines macroscopic taphonomy with X-Ray Diffraction Raman Spectroscopy, SEM, histology of undecalcified bone, and ICP analyses of associated water and sediments. Our results show diagenetic substitution of the inorganic substrate with exogenous calcareous minerals and moderate preservation of histological structure. This study was financed by theSubdirección de Arqueología Subacuática of the Instituto Nacional de Antropología e Historia, CONACYT-152105 (2012-2015), the Laboratorio Nacional de Nano y Biotecnología (FOMIX LAB-108160, CONACyT-123913).

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General Taphonomy and Diagenesis of a Submerged Pleistocene Skeleton from the Cenote of Hoyo Negro, Tulum, Quintana Roo, Mexico: Preliminary Results. PATRICIA QUINTANA, Vera Tiesler, Diana Arano, Dominique Rissolo, James Chatters. Presented at The 80th Annual Meeting of the Society for American Archaeology, San Francisco, California. 2015 ( tDAR id: 396532)


Keywords

Geographic Keywords
Mesoamerica


Spatial Coverage

min long: -107.271; min lat: 12.383 ; max long: -86.353; max lat: 23.08 ;

Arizona State University The Andrew W. Mellon Foundation National Science Foundation National Endowment for the Humanities Society for American Archaeology Archaeological Institute of America