Browsing FAS Scholarly Articles by Author "Boaretto, E."
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Dating the Demise: Neandertal Extinction and the Establishment of Modern Humans in the Southern Caucasus
Adler, Daniel S.; Bar-Yosef, Ofer; Belfer-Cohen, Anna; Tushabramishvili, Nicholas; Boaretto, E.; Mercier, N.; Valladas, H.; Rink, W. J. (Elsevier, 2008)This paper considers the recent radiometric dating (14C-AMS, TL, ESR) of 76 late Middle and early Upper Paleolithic samples from Ortvale Klde Rockshelter, located in the Republic of Georgia. We present a critical evaluation ... -
Structural Characterization of Charcoal Exposed to High and Low pH: Implications for 14C Sample Preparation and Charcoal Preservation
Rebollo, N.; Cohen-Ofri, I.; Popovitz-Biro, R.; Bar-Yosef, Ofer; Meignen, L.; Goldberg, P.; Weiner, S.; Boaretto, E. (University of Arizona, 2008)Chemical and structural similarities between poorly preserved charcoal and its contaminants, as well as low radiocarbon concentrations in old samples, complicate 14C age determinations. Here, we characterize 4 fossil ...