Paleoenvironment, the stone age. Рубрика в журнале - Archaeology, Ethnology & Anthropology of Eurasia
Origin of Neanderthals. Neanderthals of the Altai: myth or reality?
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Some 3 mln years ago, the genus Homo originated from australopithecines in Africa. In the Pleistocene, in the course of subsequent evolutionary processes such as natural selection, hybridization, and adaptation to changing environments, in the 200–100 ka BP interval, anatomically modern humans emerged in Africa, H. sapiens neanderthalensis in Europe, and H. sapiens denisovan in Central and Northern Asia. The origin of these taxa has been discussed in various publications and at many symposia. In the course of debates, several hypotheses were advanced—African Eve, multiregional evolution, evolution with hybridization, etc. All of them proceed from the assumption that the earliest anatomically modern humans originated in Africa. The main disagreement between the experts concerns the role of native Eurasians in the origin of H. sapiens sapiens following the migration of anatomically modern humans from Africa to Eurasia. In several publications of mine, a scenario of the phylogenetic history of the genus Homo, somewhat different from the currently discussed hypotheses, was proposed. The analysis of the genetic legacy of anatomically modern humans, H. sapiens neanderthalensis, and H. sapiens denisovan has shown that those hominins were able to hybridize and that the hybrids were fertile. This means that hybridization and assimilation proceeded not between separate species but within a single species, whose populations were open genetic systems. Consequently, if, at the final stage of the phylogenetic history of Homo, 200–100 ka BP, three taxa capable of hybridization emerged on various continents in the process of a long evolution, then all previous Early and Middle Pleistocene taxa in Africa, Europe, and Asia, established by the analysis of fossils, had likewise open genetic systems. This means that over a nearly 3 mln year long evolution of the genus Homo, resulting in progressive sapienization, three key factors—natural selection, hybridization, and adaptation to changing environments of the Pleistocene—have shaped both morphology and genetics of that genus. The article addresses the origin of a single basal species in Africa, ancestral to all anatomically modern humans, their spread to Eurasia, and role in the origin of H. sapiens neanderthalensis in Europe.
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Ornaments Made from Unio Shells in a Neolithic Burial at Ust-Aleika-5, Barnaul, Southwestern Siberia
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The search for a Mongolian era cemetery at Ust-Aleika, Kalmansky District, Altai Territory, in 1982 revealed a Neolithic child burial, which was excavated. The funerary items included over 300 artifacts made of organic and inorganic materials, among them more than a hundred pendants made from fossil Pleistocene shells of Unio mollusks, which do not occur in the Ob basin at present. These thick-walled shells had been procured from the Kalistratikha I exposure on the left bank of the Ob. The pendants had been made according to a hitherto unknown technique: they are irregularly ellipsoid with segment-shaped longitudinal and transverse sections. The thickness of the shells allowed the artisans to use relief, which is diffi cult or impossible with shells of modern bivalves from the Upper Ob basin. Burial 2 at Ust-Aleika-2 dates to the middle or late 4th millennium BC. It belongs to the same cultural and chronological group as burials 1 and 5–9 at Solontsy-5, and a double burial at Bolshoi Mys (Itkul), excavated by V.I. Molodin in 1976.
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We explore the environments of the Sibiryachikha Neanderthals, who had migrated to the Altai at the end of MIS 4. Given that the territory was already populated by Denisovans, the key question is whether the choice of habitat was random (i.e., the immigrants occupied vacant ecological niches) or motivated by other factors. On the basis of published results relating to the study of small-mammal fauna and pollen analysis, the environments of Chagyrskaya and Okladnikov Caves during the Neanderthal habitation are reconstructed. Species of small mammals are viewed as biome members. To reconstruct the episodic transfer of mammalian remains between stratigraphic units, we used ordination statistics and compared the results with those of micromorphological and stratigraphic analyses of Chagyrskaya Cave. It was found that late Neanderthals of the Altai lived in similar environments, dominated by steppe and forest steppe landscapes. The choice of caves for habitation depended on several factors, the key ones being the availability of game and high-quality raw material for manufacturing tools. On the basis of the statistical analysis of small-mammal fauna and the stratigraphic and micromorphological analyses, we conclude that post-sedimentation processes in caves can include vertical transfer of animal remains, affecting environmental reconstructions.
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Peculiarities of using 2D electrical resistivity tomography in caves
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The effi cienc y of archaeological studies inside caves could be greatly enhanced by geophysical methods because of their potential for examining deposit structure and features. Application of those methods in caves entails a number of problems caused by limited space for measurements and the complexity of the surrounding medium’s structure as compared to above-ground measurements. In 2017, Selungur Cave in the Fergana Valley, Kyrgyzstan, was examined using electrical resistivity tomography. Because of the above concerns, in the course of the work the question of the reliability of the results arose. To clarify the issue, a numerical experiment was performed to assess the effect of the three-dimensional cave geometry on the results of a two-dimensional inversion. It was found that variations of cave geometry parameters result in unexpected false anomalies, and considerable errors in bedrock location and resistivity can occur. In the case of downward diverging cave walls, an accurate resistivity section can be obtained by using the inversion based on a two-dimensional model. Therefore, electrical resistivity tomography in caves with similar geometry can yield reliable resu lts concerning the shape of bedrock surface, the thickness of sedimentary layers, and size and position of inclusions such as fallen fragments of roof therein.
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Percussive-abrasive stone tools from Chagyrskaya cave: results of functional analysis
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This article presents a comprehensive study of percussive-abrasive active stone tools from Chagyrskaya Cave, using experimental use-wear and statistical methods, supplemented by 3D-modeling. Experiments combined with use- wear analysis allowed us to determine the functions of these tools by comparing the working surfaces and use-wear traces in the Chagyrskaya samples with those in the reference samples. As a result, we identified 19 retouchers, four hammerstones for processing mineral raw materials, and one hammer for splitting bone, which indicates the dominance of secondary processing over primary knapping in the Chagyrskaya lithic assemblage. Using statistical analysis, we traced the differences in the dimensions of the manuports and lithics under study. These artifacts are a promising and underestimated source of information for identifying working operations associated with stone- and bone-processing; moreover, they can provide new data on the functional attribution of sites and the mobility of early hominins.
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An especially noteworthy part of the Firsovo archaeological area is a group of early burials at the fl at-grave cemeteries Novoaltaisk-Razvilka, Firsovo XI, and Firsovo XIV. Nine radiocarbon dates have been generated for those cemeteries at various laboratories: two by the liquid-scintillation (LSC) method and seven using the accelerator mass spectrometry (AMS) method. The dates were calibrated using OxCal version 3.10 software. Dates for the Chalcolithic Bolshoy Mys culture burials at Novoaltaisk-Razvilka and Tuzovskiye Bugry-1 burial 7 match the previously suggested ones (around 3000 BC). Certain Neolithic burials in the Altai differ from others in the position of the bodies (fl exed on the side). They were dated to the late 5th to the early 4th millennia BC by the AMS method. Burials belonging to the “cultural core” of Firsovo XI, then, fall within the Early Neolithic (68 % interval, 5710–5460 BC; 95 % interval, 5740–5360 BC). The date 9106 ± 80 BP (GV-02889), obtained for Firsovo XI burial 18, may be somewhat accurate, pointing to the Final Mesolithic or Early Neolithic. Both the date and the cultural characteristics of this burial (sitting position, abundant ocher) are accompanied by the craniometric distinctness of the male cranium (huge total size).
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This article presents the results of a study of ceramics associated with the Valdivia and San Pedro complexes at the Real Alto site, southwestern Ecuador. The test sample, studied in 2022, includes fragments of vessels from two morphological and functional groups, relating to the first two phases of the Valdivia culture (bowls and pots) and those representing the San Pedro complex (vessels with necks and a bowl). A comparative analysis was based on identified technological indicators marking various stages of pottery manufacture. Certain differences are seen in the composition of paste and in the hand-shaping of the vessels. Significant differences were revealed in surface treatment and decoration. This is evidenced by the use of colored and plain coating, high-quality solid or matte striped polishing, and complexity of decoration. Distinctive features of firing include the use of different kilns and various atmospheric modes. Parallels include broadly similar firing temperatures. The technological difference between the two morphological and functional groups of the Valdivia complex is that bowls were manufactured with more complex and labor-consuming techniques, whereas pots are technologically somewhat similar to those from San Pedro. Radiocarbon dates (4640–4450 BP) suggest that the two traditions coexisted. Differences may reflect their cultural distinctness.
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Rock Art of the Ana Zaga Cave Shelter in the Archaeological Landscape of Gobustan, Azerbaijan
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The Agisoft and 3D Studio Max software was used to study the petroglyphs of the Ana Zaga rock shelter, the largest in Gobustan. Stylistic features typical of various periods are described, and radiocarbon estimates for various cultural layers are given. Chronological stages in the evolution of rock art are defined. On the basis of geological data concerning transgressions and regressions of the Caspian Sea, the date of the first human settlement of the Ana Zaga shelter is estimated. The species composition of extinct faunas represented in rock art is assessed. It is concluded that in the Neolithic and Chalcolithic, following the rise of the sea level, the rock shelter became the principal habitat. In the Bronze Age, after the sea level had fallen, the middle and lower terraces became suitable for living. As new landscapes were settled, the themes of petroglyphs changed.
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Rocks and Their Sources in the Upper Paleolithic of the Altai: Relevance to Bifacial Technologies
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On the basis of the analysis of thin leaf-shaped bifacial points, which are very elaborate and sensitive to the quality of rocks, we reconstruct the adaptive strategies of humans at the early stages of the Upper Paleolithic. Mineral raw materials and their exploitation relating to different resource bases of the central (the Ursul River basin) and northwestern (the Anuy River basin) parts of the Altai region are analyzed. To attribute the rock sources for bifaces, we have compiled a comparative database of petrographic and petrochemical characteristics of artifacts and pebbles from nearby rivers. Chemical criteria were proposed for differentiating rocks, including those that are hard to distinguish, and non-destructive techniques were applied to assess the chemical composition of rocks using a portable XRF spectrometer. Findings suggest that rocks available in the Anuy and Ursul basins met the conditions for biface manufacture. Bifaces from the Ursul valley were made of local fine-grained rocks—felsic volcanic tuff and ignimbrite; those from the Anuy valley were also of local rocks, but of lower quality—hornfels transformed (meta-sedimentary) siltstone and finegrained sandstone or felsic volcanic rocks. In the Anuy valley, scarcity of quality raw material was compensated for by imported high silica jasper-like rocks. Results suggest that the Early Upper Paleolithic inhabitants of the region, when implementing technical skills, showed stable behavioral and technological stereotypes despite habitat change and deterioration of the resource base.
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Sanctuary with “Kalguty” style images in northwestern Mongolia (preliminary data)
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This article presents the first results of a detailed study of a key rock art site with the earliest petroglyphs in the Mongolian Altai—Baga-Oigur-5 (Right Bank). Basic data on its location, the surrounding environment, etc. are provided. The main groups of petroglyphs are characterized and attributed. The most numerous group, that of the "Kalguty" style, is examined in detail. This style was previously attributed by the current authors to the Final Upper Paleolithic. Bronze Age and medieval petroglyphs are also present at the site. The most informative panels show single horses, bulls, sheep, and deer rendered in the "Kalguty" style, as well as compositions including these animals. Among the earliest local rock art, for the first time, a nonfigurative sign has been found, resembling a grid, connected with the figure of a horse in a manner that is typical of prehistoric art. The analysis of a multilayered composition—one of the most important—confirms the hypothesis that "Kalguty" style petroglyphs predate the Bronze Age. The unusual natural context of Baga-Oigur-5 (Right Bank) is addressed in detail: a restricted area with available flat rock surfaces standing out against a background landscape with convex boulders. The arrangement of rock carvings within the site is unusual: animal figures on various surfaces combine in a nearly compositional manner. A tentative conclusion is made that the site was a sanctuary.
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We present the findings of a multidisciplinary study of burial 2 at Ust-Aleyka-5 on the Upper Ob. In 1982, an upright burial of a child with abundant funerary offerings (lithic artifacts, ornaments made of bones and teeth of mammals, shells of Unio bivalves) was unearthed. We focus on a find unique in the region—the shell of a sea snail Tritia nitida, a gastropod, which, at present, lives in the Mediterranean, Black, and Azov seas. The Raman spectroscopy analysis of a mineral pigment detected on the shell allowed us to identify it as red ocher. Similar traces were found on dropshaped pendants made of bone, antler or deer teeth, and on fossil shells of Unio aff. tumidus. On the basis of AMS analysis, burial 2 dates to the mid- or late 4th millennium BC. The T. nitida shell indicates ties (likely indirect ones) of the Barnaul stretch of the Ob to the Black Sea region.
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Shulbinka Paleolithic site, Eastern Kazakhstan, revisited
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This study revises the cultural and chronological attribution of the Shulbinka site, Eastern Kazakhstan, with reference to recent ideas of the Early Upper Paleolithic in northern Central Asia, including new sites dating to that stage (Tolbor-21, Ushbulak, etc.) and a representative series of absolute dates relevant to the site’s chronology. We describe the discovery of the site and principal fi ndings of excavations carried out more than 20 years ago, focusing on the comprehensive analysis of artifacts from Shulbinka, conducted in 2019. We demonstrate that the estimated age and the cultural attribution of the site disagree with earlier interpretations. Earlier claims about the presence of Levallois and Mousterian components in the primary reduction system appear poorly supported. The idea that artifacts from the site resemble those of the Early Upper Paleolithic is subjected to a critical inquiry. As it turns out, the closest parallels to this assemblage are found among the Final Upper Paleolithic industries of southern and central Siberia. Important traits include the combination of large cores for making fl akes, blades with edge-faceted and wedge-shaped microcores, and the predominance of end-scrapers and chisel-like tools. Few parallels can be found with industries of different cultural and chronological periods. Based on these analyses, we conclude that the site of Shulbinka dates to the Final Paleolithic. The absence of Final Middle Paleolithic or Early Upper Paleolithic markers makes the site irrelevant to debates around the origin of the Upper Paleolithic in the region.
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We describe 27 parallel, narrow-faced, and burin-cores for small blades and bladelets from Kulbulak layer 23, Western Tien Shan, excavated in 2016 and 2017. In terms of typology, flat-faced (longitudinal and transverse), prismatic (carinated, subconical, and subcylindrical), and narrow-faced cores (including burin[1]cores) were identified. Scar pattern analysis suggests that regardless of the typological affiliation of cores, a uniform technological scheme was used—staggered sequence of blanks. This Middle Paleolithic non-prismatic pattern probably indicates the initial steps in the formation of a technology that would subsequently influence the Middle Paleolithic blade industries in western Central Asia and become one of the sources for the regional Upper Paleolithic in the second half of MIS 3. It is concluded that small blade technology emerged within Middle Paleolithic industries of western Central Asia at the turn of MIS 7 and 6. In the Obi-Rakhmat industry (MIS 5a), this technology is represented in its fully developed form.
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Stages in the late Pleistocene and Holocene peopling of lake Bolshoye Ushkovskoye shore, Kamchatka
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Stoilo—A Paleolithic Site in the Southern Angara Region, Siberia
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On the basis of findings of the autumn 2021 field season, we present the first information on the Paleolithic site of Stoilo (Usolsky District of the Irkutsk Region). The site, located on the left bank of the Angara River, belongs to the Belaya geoarchaeological region. The complex is enclosed in pre-Holocene sediments relating to the residual gruspebble crust, which overlies the soliflucion layer tentatively dating to the Late Karga–Early Sartan period. The analysis of the lithics, mostly made on siliceous rocks, indicates prismatic reduction resulting in small blades. The toolkit consists of small pieces, including various types of spurred tools, burins, knives on naturally backed blades, retouched blades and flakes with use-wear, and a heavy-duty pebble tool. A specific feature of the complex is that most artifacts reveal superficial traces of minor corrasion—a weak surface gloss. This and the fact that the material relates to the gruspebble layer might be viewed as formal indicators of the “Makarovo Horizon”. However, the totality of typological and technological features and the structure of the sediments suggest that Stoilo represents the middle stage of the Upper Paleolithic, dating to the Early Sartan stage. To confirm this assumption, further excavations are needed in order to augment the collection and obtain more environmental data.
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