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The region of western Georgia (Imereti) in the Southern Caucasus has been a major geographic corridor for human migrations during the Middle and Upper Paleolithic. Data of recent research and excavations in this region display its importance as a possible route for the dispersal of anatomically modern humans (AMH) into northern Eurasia. Nevertheless, within the local research context, bone-working and personal ornaments have yet contributed but little to the Upper Palaeolithic (UP) regional sequence's characterization. Here we present an archaeozoological, technological and use-wear study of pendants from two local UP assemblages, originating in the Dzudzuana Cave and Satsurblia Cave. The ornaments were made mostly of perforated teeth, though some specimens were made on bone. Both the manufacturing marks made during preparation and use-wear traces indicate that they were personal ornaments, used as pendants or attached to garments. Detailed comparison between ornament assemblages from northern and southern Caucasus reveal that they are quite similar, supporting the observation of cultural bonds between the two regions, demonstrated previously through lithic techno-typological affinities. Furthermore, our study highlights the importance attributed to red deer (Cervus elaphus) by the UP societies of the Caucasus in sharing aesthetic values and/or a symbolic sphere. [ABSTRACT FROM AUTHOR]

The MIS 3/2 transition (Denekamp interstadial and beginning of the LGM) is a crucial point in time for understanding adaptation of modern humans to climate. The Southern Caucasus is a unique place to study human ecology within this time period because it served as a refugium during the Last Glacial Maximum (LGM) and thus allows us to study how human populations responded to the climatic shifts during the Last Glacial. This study presents the results of the paleoecological analysis of Dzudzuana cave during the MIS 3/2 transition using small mammal community structure as a proxy for paleoenvironment. Of the four units in Dzudzuana (Units A through D), Unit C, divided into subunits C5 to C1, has been dated to 27–24 ka cal BP and the MIS 3/2 transition. Thus, Unit C allows for a diachronic analysis throughout this important time period. Small mammals were found primarily in subunit C2 and C1. Analysis of the small mammal assemblages of Dzudzuana subunits C2 and C1 confirm the paleoecological reconstruction obtained from macrobotanical remains, and suggest a refugium habitat during the last phase of MIS 3 and the onset of the LGM. Comparison with a contemporaneous site in the region (Satsurblia) suggests a high spatial-temporal mosaic habitat in the region. Small refugium areas within the Rioni River valley and its tributaries that enjoyed ameliorated climatic conditions and proximity to water resources may have promoted local human habitation. Furthermore, results suggest that the small mammal assemblages of Dzudzuana are non-analogue communities typical of European Denekamp assemblages, and provide a new datum point for the faunal remains during this time period. [ABSTRACT FROM AUTHOR]

Abstract: 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 of each date based on its stratigraphic and archaeological context, its pretreatment and contamination history, and its resulting accuracy and precision, the goal being to establish a sound chronology for the site. Only by systematically identifying aberrant dates within a data set and isolating them from further analysis can we hope to understand cultural and biological phenomena on an accurate temporal scale. Based on the strict discard protocol outlined here, we omit 25% of the dated samples from the analysis. The remaining data speak to the lengthy tenure of Neandertals in the region, but also to their relatively rapid demise and the establishment of modern human populations ∼38–34ka 14C BP (42–39kacalBPHulu). We compare these chronometric data with those from the neighboring sites of Bronze and Dzudzuana caves, as well as Mezmaiskaya Cave, located in the northern Caucasus. While the lack of key contextual information limit our ability to subject these other data sets to the same critical evaluation procedure, they provide the first interregional temporal assessment of the Middle to Upper Paleolithic “transition,” the results of which suggest an initial expansion of modern humans into the southern Caucasus followed by expansion along the Black Sea coast and into the northern Caucasus. [Copyright &y& Elsevier]

Over the past several decades a variety of models have been proposed to explain perceived behavioral and cognitive differences between Neanderthals and modern humans. A key element in many of these models and one often used as a proxy for behavioral ‘modernity’ is the frequency and nature of hunting among Palaeolithic populations. Here new archaeological data from Ortvale Klde, a late Middle–early Upper Palaeolithic rockshelter in the Georgian Republic, are considered, and zooarchaeological methods are applied to the study of faunal acquisition patterns to test whether they changed significantly from the Middle to the Upper Palaeolithic. The analyses demonstrate that Neanderthals and modern humans practiced largely identical hunting tactics and that the two populations were equally and independently capable of acquiring and exploiting critical biogeographical information pertaining to resource availability and animal behavior. Like lithic techno-typological traditions, hunting behaviors are poor proxies for major behavioral differences between Neanderthals and modern humans, a conclusion that has important implications for debates surrounding the Middle–Upper Palaeolithic transition and what features constitute ‘modern’ behavior. The proposition is advanced that developments in the social realm of Upper Palaeolithic societies allowed the replacement of Neanderthals in the Caucasus with little temporal or spatial overlap and that this process was widespread beyond traditional topographic and biogeographical barriers to Neanderthal mobility. [ABSTRACT FROM AUTHOR]