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1.
The Upper Palaeolithic site of the Abri Pataud (Dordogne, France) has been the subject of numerous14C age determinations which cover the period from 20,400±450 years (OXA-373) to 34,250±675 years (Grn-4507). The racemization ratios of aspartic acid have been determined in 26 fossil bones. The bones are present in two different sedimentary surroundings: levels (fine deposits with numerous artefacts and fossil bones) and “éboulis” (coarse deposits derived from the neighbouring limestone cliff). Racemization ratios for total aspartic acid have a poor correlation with14C ages (respectivelyr2=0·59 and 0·82 for the two environments) but apparent racemization rates are clearly dependent on the type of deposits (levels: K=4·4×10−6year−1; éboulis: K=9×10−6year−1).Racemization ratios of aspartic acid in a high molecular weight protein fraction (>10,000 Da) correlate much better with14C ages (r2=0·999) for the samples from the levels (k=2·1×10−5year−1). From this regression line we estimate ages for two Aurignacian levels: level 6≈29,560 years and level 9≈30,440 years .It is noteworthy that none of the regression lines intercepts the origin. Racemization of aspartic acid appears to occur only after a delay of many thousands of years. This phenomenon could be the result of a coupling between the degradation of proteins and the racemization of amino acids.  相似文献   

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We present the results of an exercise in Middle Palaeolithic palimpsest analysis geared toward the identification of human occupation episodes. It is based on a combined reading of the archaeosedimentary deposit and the archaeological record of Stratigraphic Unit IV from Abric del Pastor (Alcoy, Alicante, Spain), chronologically framed within MIS 4–5. A study of site formation processes coupled with archaeostratigraphic analysis of the lithic record incorporating Raw Material Units (RMU) and refits, as well as with combustion features and faunal remains enabled identification a minimum of 4 and a maximum of 6 human occupation episodes within lithostratigraphic units IVa, IVb and IVc. Through our data it reaches a high resolution temporal frame close to the ethnographic time scale, which constitutes a significant contribution for the knowledge of human occupations types and landscape use in the Mediterranean rim of the Iberian Peninsula during Middle Palaeolithic.  相似文献   

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Abstract

From ca. 1500 B.C. through A.D. 300, small indigenous communities in southeastern Ohio incrementally increased their population size, adopted a more sedentary lifeway within recognized territories, formalized the burial of select individuals in mounds, and supplemented their hunting and gathering economy with gardening. Data from the Taber Well site (33HO611) are presented, from which we infer that surplus lithic production was taking place at the site. We suggest that surplus production of utilitarian goods was part of the economy of this and other local communities, especially within an environment of uneven resource distribution. This observation is contextualized within models of Middle Woodland exchange and specialization.  相似文献   

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Data regarding major human prey from Franco-Cantabrian Palaeolithic sites have been gained through skeletochronological analyses. Trends gleaned from these data suggest temporal shifts in mobility, territoriality, and subsistence strategies. Compilation of control samples of teeth of recent animals (e.g., Cervus, Rangifer, Equus, Capreolus, Bos) of known-age and date-of-death has been requisite to these growth-increment studies. These methods have now been applied to modern Bennett's wallaby (Macropus rufogriseus) populations from Tasmania in order to expand the potential of skeletochronological study for Australia's Palaeolithic-aged marsupial archaeofaunas.  相似文献   

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African Archaeological Review - The emergence of socio-political differentiation is a core theme in world prehistory, and the West African archaeological record offers unique insights into the...  相似文献   

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This study presents the results of integrated mineralogical, petrographic and chemical analyses of different ceramic assemblages and local sediments from Sai Island, northern Sudan, dating to between the seventh and the third millennium bc , and highlights a significant variability in the raw materials and technology of these productions. Although archaeometric analyses of ceramics are widely employed in many parts of the world, a lamentable scientific gap exists for African pottery, which this paper aims to bridge with new and compelling results.  相似文献   

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While surface collection constitutes an important component of field research at the site and regional levels, the association between surface and sub-surface materials needs to be examined through independent lines of evidence. This study employed manual bucket auger probing and soil geochemistry at the Formative site of Tlalancaleca, Central Mexico (800 b.c.a.d. 250), to evaluate the results of surface collection and to understand the formation process of the anthropogenic landscape. The combined results at one of the largest architectural complexes at Tlalancaleca indicate that it was built during the Late Formative period (500–100 b.c.) and rebuilt during the subsequent Terminal Formative period (100 b.c.a.d. 250), which is corroborated by radiocarbon dates. Moreover, the results suggest segregated uses of space such as cooking/storage, waste disposal, and craft production areas within the complex. Overall results demonstrate the effectiveness of this multi-method approach for reconstructing occupational history and activity areas.  相似文献   

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There is widespread use of information and communications technology (ICT) in the Middle East and North African countries. Blogging and social media have played an important role in the recent calls for reform and change. Using these new communication systems and devices, citizens have been venting their anger and frustration with their autocratic governments and rulers. Most recently, the venting has turned into action, as shown by the eradication of the old regimes in Tunisia, Egypt, Libya, and Yemen, as well as the ongoing struggle in Syria. The most notable issues include lack of individual freedoms, deteriorating economic conditions, high unemployment, increased corruption, and violent treatment of citizens at the hands of security forces. The Arab Spring, or Awakening, and the events that have since followed have, in part, been promoted by ICT and other means of modern communications. Along with the popular Arab traditions of oral communication as well as Friday and Sunday sermons at mosques and churches, social media were used by organizers of the Arab Spring to call for and coordinate demonstrations against the regimes. Access to this newer media has circumvented the established and government‐controlled media such as printed press, radio, and television—outlets bent on appeasing the rulers and misinforming the masses. Arab authoritarian systems have discovered that they cannot simply flip a big red switch to stop the flow of information that they would rather keep hidden from the masses. Further discussed are digital democracies that are currently emerging because of the growing population of netizens, bloggers, and social media political activists throughout the Arab world and the many attempts to silence them.  相似文献   

10.
The first lithic refit studies were carried out at the end of 19th century, but the method was not considered an area of real interest to archaeology until quite recently. Today, lithic refitting is applied in a multitude of areas of enquiry including lithic technology, intra-site and inter-site spatial distribution, archaeostratigraphy and formation processes. In this paper, we present a refit study of the lithic materials recovered in the base of the NW sector of level TD10 at the site of Gran Dolina (Sierra de Atapuerca, Spain). We aim to provide information about spatial distribution through identifying activity areas and the internal connections between those areas. Our work resulted in various refits whose connections reveal the movements of the pieces and/or knappers that once occupied the site. Our results also show the importance of studying the set of materials as a whole and the bias involved in analyzing only a small sample. The refits, connections and directions of movement allow us to infer areas in which an activity took place, but these results must be confirmed in future works covering the entire lithic assemblage of TD10.  相似文献   

11.
The fuel used in hearths in the Upper Palaeolithic period and the management of this fuel have long given rise to questions on intentional or opportunistic human comportment. To understand how fuel was managed during the Aurignacian and Gravettian cultures, hearth samples from the French site of Abri Pataud (ca. 34–20 kyr BP) were collected. An image analysis method for the automated quantification of burnt particles from macroscopic-to-microscopic sediment fractions was developed, and the results obtained using this method were compared with the palaeoenvironmental data available close to the site. At Abri Pataud, the use of bones was dominant during the Pleniglacial, suggesting an intentional practice. However, environmental pressures could have influenced the fuel management practices of the hunter-gatherers, even if the dualistic relationship between the availability of firewood and the use of bone in hearths must be considered. Thus, burnt particle quantification provides more than just an observation of burnt macroremains in hearths: it relates to fundamental information on human behavior.  相似文献   

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Recent decolonizing scholarship examines how Indigenous ways of knowing can transform archaeology. This article discusses community-based research undertaken with a Muskogee tribal town in North Florida, focusing on the archaeology of the Lake Jackson site (1100–1500 A.D.). Centering on the historical narratives circulated in this community illuminates gaps in the dominant archaeological discourse, or what Trouillot (Silencing the Past: Power and the Production of History, 1995) calls the silences of history. Examples such as iconographic representations of “genderless” moths and possibilities of “invisible” mound structures render the limits of colonial imagination visible. Archaeology can move beyond these constraints by bridging the center and margins of archaeological production.  相似文献   

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A systems approach to the study of the geographical aspects of production and the management of production is proposed. Areal (geographic) systems are viewed as a form of organization of production and an object of control. The areal system may range in scale from a microsystem (an individual large farm) to a global system. Geographical information plays an important role in the organization and control of areal systems. Geographic models, particularly maps, are a useful tool in the analysis and design of systems. The systems approach to areal complexes is not intended to replace the regional method, but supplements the regional approach by providing a better understanding of the region as a complex dynamic system. Further research in the geography of the control of production from the systems standpoint is recommended.  相似文献   

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The lithic assemblage from the Middle Palaeolithic site of Payre (Rhone Valley, France) contains a large number of convergent tools and pointed tools of various shapes, sizes and retouch types. These were excavated from several archaeological units, dating from marine isotopic stages 8–5, which also yielded human skeletal remains. Consideration of this large tool kit has led to an improved analysis of Middle Palaeolithic tools with two retouched convergent edges. The 350 tools were not described within the classical typological framework, but, rather, from a lithic technological perspective in relation to a discoid debitage. In addition, an initial macroscopic use-wear analysis aided in establishing whether they were used according to their technical and/or morphological features. The Middle Palaeolithic convergent tools from Payre are shown to be quite diversified, and the question of the significance of the retouch and the definition of the various types is addressed. Initial functional results indicate that a clear relationship between shape and function cannot be easily established, and that these tools were used as hand tools. This study contributes to the debate on the use of stone tip spears in the Early European Middle Palaeolithic.  相似文献   

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Almost all of the obsidian used to craft stone tools in the Near East from the Palaeolithic onward originated from volcanoes in two geographic regions: Central Anatolia and Eastern Anatolia. Five decades of obsidian sourcing has led to the view that Central Anatolian obsidians largely followed the Mediterranean coast and rarely reached farther east than the Middle Euphrates, whereas Eastern Anatolian sources almost exclusively supplied sites east of the Euphrates. This paper discusses the identification of Central Anatolian obsidian artefacts at the Bronze-Age site of Tell Mozan (Urkesh) in northeastern Syria. Most of the obsidians at Tell Mozan (97%) came from the Eastern Anatolian sources, as expected from established distribution models. Artefacts of Central Anatolian obsidian, however, were excavated from one well-constrained context: the deposits on a palace courtyard that date to the height of the Akkadian empire's influence at this third-millennium Hurrian religious and political centre. In particular, the obsidian came from the Kömürcü source of Göllü Da?. Potential explanations for this exotic obsidian are discussed. This obsidian might have “piggybacked” on the distribution of Central Anatolian metals or arrived at this city as royal gifts or prestige items. Other discussed mechanisms include Akkadian-linked changes in either territoriality involving pastoral nomads responsible for the arrival of Eastern Anatolian obsidians or identity construction of elites based on involvement in Central Anatolian economic and political networks.  相似文献   

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Field portable/hand-held x-ray fluorescence (pXRF) analyzers have been characterized as potentially useful for archaeological site prospection, but little has been published on the parameters of their use in this manner. The purpose of this study is to explore whether the variability of surface geochemistry as characterized with a pXRF analyzer corresponds with subsurface archaeological features at a site subsequently excavated, and what conditions influence the success of this endeavor, including feature depths, soil moisture, and sample processing. A 520 m2 within-site area was systematically surveyed on a 2 m interval, within which several types of archaeological features were excavated (chimney bases, wall trenches, and a bonebed of faunal waste), taking readings in situ and collecting samples for ex situ testing (undried, dried but not powdered, and dried/powdered). The four different tests of each grid location, analyzed through univariate and multivariate tests, showed that the pXRF surface data does correspond with some types of subsurface features when those features are very shallow (within 5 cm of surface level) and are associated with clayey fills. Further, the data from the subsurface samples provides excellent distinction of feature fills from other sediments, regardless of sample preparation. In situ surface survey with pXRF analyzers may however be adequate for sites with a thorough baseline geochemical database.  相似文献   

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