Journal of Lithic Studies最新文献

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Procurement and circulation of obsidian in the province of La Pampa, Argentina 阿根廷拉潘帕省黑曜石的采购和流通
IF 1
Journal of Lithic Studies Pub Date : 2018-12-15 DOI: 10.2218/JLS.2993
M. Berón, F. Páez, Manuel Pedro Carrera Aizpitarte, Martín Giesso, M. Glascock
{"title":"Procurement and circulation of obsidian in the province of La Pampa, Argentina","authors":"M. Berón, F. Páez, Manuel Pedro Carrera Aizpitarte, Martín Giesso, M. Glascock","doi":"10.2218/JLS.2993","DOIUrl":"https://doi.org/10.2218/JLS.2993","url":null,"abstract":"The goal of this study is to report the progress regarding the procurement and circulation of obsidian by hunter-gatherer populations during the Late Holocene in the province of La Pampa, Argentina. A total of 25 samples were analyzed in two stages; in the first stage neutron activation analysis (INAA) was used, while X-ray fluorescence (XRF) was employed in the second stage. This work adds nine archaeological samples from new sites and one from the Lihué Calel obsidian source. The results allow us to  take into account the sourcing of the obsidian which was found in archeological sites of four areas of study located in the south and east of the province. \u0000Both, the results generated in this new stage, and those previously obtained are integrated and discussed in relation to the information produced by other researchers from the region, which are consistent with the existing ones for La Pampa. They indicate that the obsidian recovered was procured from sources located in the Argentinian and Chilean Andes, as well as the pre-cordillera in the provinces of Neuquén and Mendoza. New data expands the spatial perspective of our interpretations to four new research areas: Curacó basin, Lihué Calel hills, Valles Transversales (Transversal Valleys) and Bajos sin Salida (Endorheic low areas).","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45404887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
LegioLit: Knappable material lithotheque in the Prehistory Laboratory at the University of León, Spain LegioLit:西班牙León大学史前史实验室的可拆卸材料石刻
IF 1
Journal of Lithic Studies Pub Date : 2018-12-15 DOI: 10.2218/JLS.2926
Diego Herrero-Alonso, M. N. Fuertes-Prieto, E. Fernández-Martínez, F. Gómez‐Fernández, E. Alonso-Herrero, Ana M. Matero-Pellitero
{"title":"LegioLit: Knappable material lithotheque in the Prehistory Laboratory at the University of León, Spain","authors":"Diego Herrero-Alonso, M. N. Fuertes-Prieto, E. Fernández-Martínez, F. Gómez‐Fernández, E. Alonso-Herrero, Ana M. Matero-Pellitero","doi":"10.2218/JLS.2926","DOIUrl":"https://doi.org/10.2218/JLS.2926","url":null,"abstract":"This work introduces a comparative collection located in the Prehistory Laboratory at the University of León (Spain) specialised in knappable raw materials, mainly comprising radiolarite and black chert (micro-crypto crystalline quartz), from the western Cantabrian Mountains (north of Iberian Peninsula). A standardised protocol of sample collection and data organisation was developed, which includes the use of several methodologies. First, Geographical Information Systems (GIS) for referencing lithic sources. Second, direct observation of the sample for the macroscopic characterization, both de visu and stereomicroscope. Third, petrographic microscopy for a description of main petrological, and palaeontological features, complemented with the identification of the different minerals that make up the samples by X-ray diffraction (XRD). Forth, X-Ray Fluorescence (XRF), Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) and Thermogravimetry – Differential Scanning Calorimetry (TG-DSC) for geochemical and thermal features of the samples. Finally, the results of these analyses were entered in a database. All this information is contributing towards the creation of a physical reference collection specialised in local Palaeozoic formations (mostly from Devonian to Carboniferous) that outcrop in the western Cantabrian Mountains, a region whose potential resource base was previously not very well known. This collection would allow to compare archaeological lithic remains from different sites inside and outside the Cantabrian Mountains.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43047379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Grand-Pressigny was not alone: Acquiring and sharing data about raw materials in the collective research project “Réseau de lithothèques en région Centre-Val de Loire” (France) 大pressigny并不孤单:在集体研究项目“卢瓦尔河谷中部和中部的<s:1>石质<s:1> <s:1>交换器”中获取和分享原材料数据(法国)
IF 1
Journal of Lithic Studies Pub Date : 2018-12-15 DOI: 10.2218/JLS.2798
Vincent Delvigne, P. Fernandes, C. Tufféry, Raphaël Angevin, Harold Lethrosne, T. Aubry, J. Dépont, F. Bourdonnec, Audrey Lafarge, René Liabeuf, Xavier Mangado-Llach, M. Moncel, Michel Philippe, M. Piboule, Jérôme Primault, J. Raynal, Clément Recq, M. D. L. Torre, G. Teurquety, Christian Verjux
{"title":"Grand-Pressigny was not alone: Acquiring and sharing data about raw materials in the collective research project “Réseau de lithothèques en région Centre-Val de Loire” (France)","authors":"Vincent Delvigne, P. Fernandes, C. Tufféry, Raphaël Angevin, Harold Lethrosne, T. Aubry, J. Dépont, F. Bourdonnec, Audrey Lafarge, René Liabeuf, Xavier Mangado-Llach, M. Moncel, Michel Philippe, M. Piboule, Jérôme Primault, J. Raynal, Clément Recq, M. D. L. Torre, G. Teurquety, Christian Verjux","doi":"10.2218/JLS.2798","DOIUrl":"https://doi.org/10.2218/JLS.2798","url":null,"abstract":"In the wake of the discovery of numerous large blade workshops at Le Grand-Pressigny site (Indre-et-Loire, France), which initially aroused great interest, the mid-Loire Valley region became central to studies of flint diffusion. Despite the quality of the initial work, the widely shared view now is that the capacity for this concept to continue to provide useful archaeological modelling has diminished. Establishing real and actual correlations between archaeological objects and geological samples remains difficult, making it almost impossible to determine the source of certain materials represented in an archaeological series. In response to this problem, the French collective research project \"Réseau de lithothèque en région Centre-Val de Loire\" assembled about 30 amateur and professional researchers from various European institutions to work on three strategic missions: \u0000 \u0000Mission 1: establish a list of current lithotheques (“rock-libraries” or comparative collections), verify their contents and complete them if necessary; \u0000Mission 2: link the major types of depositional environments with the properties acquired by flint through its life; \u0000Mission 3: spread knowledge and information both within the project and to all interested persons. \u0000 \u0000The project is closely associated with similar French programs already in place in Auvergne-Rhône-Alpes and Aquitaine regions. The ultimate objective is to build a national and international community around a common project, bringing participants together regularly to share knowledge and technical expertise.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47916252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Cultural transmission and correlational selection in Late Period projectile points from the Puna of Salta, Argentina (CE 900 - 1500) 阿根廷萨尔塔普纳地区晚期抛射点的文化传播与相关选择(公元900 - 1500年)
IF 1
Journal of Lithic Studies Pub Date : 2018-12-15 DOI: 10.2218/jls.2784
Mariana Vardé, Hernán Juan Muscio
{"title":"Cultural transmission and correlational selection in Late Period projectile points from the Puna of Salta, Argentina (CE 900 - 1500)","authors":"Mariana Vardé, Hernán Juan Muscio","doi":"10.2218/jls.2784","DOIUrl":"https://doi.org/10.2218/jls.2784","url":null,"abstract":"This work proposes a methodology for documenting metric patterns of variation and trait correlation in Late Period (ca. CE 900-1500) projectile points from the Puna and pre-Puna of Salta, Argentina. In so doing, our main goal is to explain the patterns observed in terms of mechanisms of cultural evolution and selection over the design of the artefacts. We applied this methodology to assemblages of concave-based triangular projectile points from four archaeological sites whose chronologies are well established. As a result, we were able to document low degrees of variation, as well as high, positive, significant, Pearson co-variation and partial correlation coefficients between metrical traits. These results suggest a process of correlational selection that preserved an artefact design with a structure of highly integrated traits that maximised the edge-area in relation to the haft, turning these projectile points into very lethal weapons, even for potential use in interpersonal violence. This lends support to the hypothesis presented here, where replication of these projectile points occurred within a process of stabilizing cultural selection through biased transmission mechanisms that maintained the functional relations between the variables at the design scale, which in turn favoured the selection of artefacts suitable for effective weapons in a context where hunting was a strategy that optimized animal biomass acquisition, enhancing domestic herd viability.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45034912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Andesite and obsidian accessibility and distribution during the Holocene in north-west Santa Cruz province (south-central Patagonia), Argentina 阿根廷圣克鲁斯省西北部(巴塔哥尼亚中南部)全新世安德西岩和黑云母的可及性和分布
IF 1
Journal of Lithic Studies Pub Date : 2018-12-15 DOI: 10.2218/jls.2800
M. Sacchi, Damián L. Bozzuto, A. Guraieb, M. T. Civalero, Nicolás Maveroff
{"title":"Andesite and obsidian accessibility and distribution during the Holocene in north-west Santa Cruz province (south-central Patagonia), Argentina","authors":"M. Sacchi, Damián L. Bozzuto, A. Guraieb, M. T. Civalero, Nicolás Maveroff","doi":"10.2218/jls.2800","DOIUrl":"https://doi.org/10.2218/jls.2800","url":null,"abstract":"This paper discusses different aspects related to the andesite and obsidian availability and circulation routes in different moments of the occupation sequence in the Pueyrredón-Posadas-Salitroso (PPS) Lake Basin in the north, and the Burmeister-Belgrano (BB) Lake Basin to the south (north-west Santa Cruz province, Argentinian Patagonia). \u0000The distribution of raw materials - both in space and time - allows us to assert that potential regional circulation routes would have been affected differentially by the palaeolakes present from the Pleistocene up until the mid-Holocene. We are taking into account three sites: Cueva Milodón Norte 1 (CMN1), located in the northeast coast of the Pueyrredón Lake, Cerro de los Indios 1 (CI1) (central portion of the PPS Basin), and Cerro Casa de Piedra 7 (CCP7) (near to the Burmeister Lake). This investigation considers six periods, based on the calibrated ranges from 73 radiocarbon dates: 17 from CI1, 14 from CMN1, and 42 radiocarbon dates from CCP7. \u0000As a result of this analysis we can conclude that, in sites with a higher density of occupation such as CI1 and CCP7, the use of obsidian (non-local rock) and andesite or basalt did not vary over time. In the case of CMN1, access to the sources of these raw materials varied according to the presence of large bodies of water, although it does not seem to have influenced the procurement of these rocks.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44075087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Technological change during final Mid-Holocene and early Late Holocene (ca. 5000-2000 years BP) in Barrancas (Jujuy province, Argentina) 阿根廷胡胡伊省Barrancas地区中全新世末期和晚全新世早期(约5000-2000年前)的技术变化
IF 1
Journal of Lithic Studies Pub Date : 2018-12-15 DOI: 10.2218/JLS.2801
Rodolphe Hoguin, P. Kohan
{"title":"Technological change during final Mid-Holocene and early Late Holocene (ca. 5000-2000 years BP) in Barrancas (Jujuy province, Argentina)","authors":"Rodolphe Hoguin, P. Kohan","doi":"10.2218/JLS.2801","DOIUrl":"https://doi.org/10.2218/JLS.2801","url":null,"abstract":"The archaeological evidence from the end of the Middle Holocene and the beginning of the Late Holocene (ca. 5000-2000 years BP) shows a period of great changes. These appear to be the main result of low residential mobility occupations and subsistence strategies based in the specialized hunting of camelids, their domestication and further herding. Even though there is no consensus over the relative importance of each adopted strategy (hunting vs. herding) during this temporal sequence, several and relevant changes can be observed, related to many social spheres. In this paper, we present the particular changes over lithic technology during the temporal sequence proposed through two sites analysed from Barrancas: Laguna Media 7 and Morro Blanco. First, we will clarify the concept of technical system and describe the operative chains observed in both sites. This context is suitable for the topic addressed in this paper, since the chronological difference between both sites (ca. 3400-3200 years BP) is almost contemporary with the appearance in the region of the domesticated camelid Lama glama. Thus, we explain the changes in lithic technology and their relation with the other raw materials used in different technologies from a qualitative characterization. Afterwards this change is characterized by performing separate Chi square analysis from the quantification between both sites of: transformative and prehensile techno-units, shaping and knapping methods. We detect some continuities related to the operative chains, but some changes as well, with the disappearance of blade knapping. Finally, we conclude that the changes during this time period are mainly related with the prehensile and hafting system, associated to a broader regional technological change, influenced by the circulation and exchange of goods, knowledge and people.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47450192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The introduction of the bow and arrow in the Argentine Andes (29–34º S): A preliminary metric approximation 在阿根廷安第斯山脉(29-34ºS)引入弓箭:初步度量近似
IF 1
Journal of Lithic Studies Pub Date : 2018-12-15 DOI: 10.2218/JLS.2969
S. Castro, Lucía Yebra, Erik J. Marsh, Valeria Cortegoso, Gustavo Lucero
{"title":"The introduction of the bow and arrow in the Argentine Andes (29–34º S): A preliminary metric approximation","authors":"S. Castro, Lucía Yebra, Erik J. Marsh, Valeria Cortegoso, Gustavo Lucero","doi":"10.2218/JLS.2969","DOIUrl":"https://doi.org/10.2218/JLS.2969","url":null,"abstract":"The study size patterns in projectile points (n=39) from six sites in the Argentine Andes (29–34°S) associated with 17 radiocarbon dates with medians spanning 3080–470 cal BP. This is the region’s first attempt to metrically distinguish arrows and darts, which is based on shoulder or maximum width, following Shott. The northern part of the study area (29°S) includes the earliest arrow point, slightly after 3080 cal BP. This suggests a rapid spread of this technology from the central Andes 16–26°S, where early arrows are dated ~3500–3000 cal BP. However, at 32 and 34°S, arrows are not clearly present until 1280 cal BP. For 1280–400 cal BP (European contact), 96% of points were identified as arrows, suggesting the bow and arrow replaced spear-based weapon systems. A single late dart from 34°S may reflect a late use of this space by hunter-gatherers. The predominance of arrows beginning at 1280 cal BP is associated with broader changes such as demographic growth, reduced mobility, low-level food production, and herding economies, following similar trends in other regions.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49495169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Terminal Pleistocene lithic variability in the Western Negev (Israel): Is there any evidence for contacts with the Nile Valley? 内盖夫西部更新世晚期石器时代的变化(以色列):有任何证据表明与尼罗河流域有接触吗?
IF 1
Journal of Lithic Studies Pub Date : 2018-03-15 DOI: 10.2218/JLS.2614
A. Leplongeon, A. N. Goring-Morris
{"title":"Terminal Pleistocene lithic variability in the Western Negev (Israel): Is there any evidence for contacts with the Nile Valley?","authors":"A. Leplongeon, A. N. Goring-Morris","doi":"10.2218/JLS.2614","DOIUrl":"https://doi.org/10.2218/JLS.2614","url":null,"abstract":"At the end of the Pleistocene (25,000-15,000 BP), there is a shift to more arid conditions in the Negev and the Sinai corresponding to the Last Glacial Maximum. For the Nile Valley and the Levant, the lowering of the Mediterranean sea level, the expansion of the Sahara and the desiccation of some major eastern African lakes had important consequences on: (1) the general behaviour of the River Nile; (2) the landscape around the Nile Delta; and (3) sand dune mobilisation. Despite this shift to more arid conditions, there is abundant evidence for human occupation in the Egyptian Nile Valley and in the arid zone of the Southern Levant at this time. In addition, contacts between these two regions have sometimes been suggested, mainly by genetic studies, including early ‘Back-to-Africa’ dispersals. \u0000This paper focuses on the analysis of six terminal Pleistocene (ca. 25,000-15,000 BP) lithic assemblages from the western Negev Desert dunes in Israel, attributed to the Early and Middle Epipalaeolithic. The analysis relies on the chaine operatoire approach combined with attribute analysis that enables quantification of typo-technological differences. Results of this analysis allows comparisons with assemblages from the Egyptian Nile Valley analysed in the same way previously. This comparative analysis is then used to discuss hypotheses of potential technical diffusions between these two regions. Current archaeological evidence therefore does not support any contacts between populations between the Levant and the Nile Valley at the end of the Pleistocene.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48001586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
New evidence for the Palaeolithic in Attica, Greece 希腊阿提卡旧石器时代的新证据
IF 1
Journal of Lithic Studies Pub Date : 2018-03-15 DOI: 10.2218/JLS.2665
J. Holcomb, Curtis N. Runnels, Duncan S. Howitt-Marshall, Evangelos Sachperoglou
{"title":"New evidence for the Palaeolithic in Attica, Greece","authors":"J. Holcomb, Curtis N. Runnels, Duncan S. Howitt-Marshall, Evangelos Sachperoglou","doi":"10.2218/JLS.2665","DOIUrl":"https://doi.org/10.2218/JLS.2665","url":null,"abstract":"Despite Greece’s key geographic position between southeast Europe and southwest Asia, and its potential for documenting hominin dispersals, Lower and Middle Palaeolithic sites are rare. This suggests the need for research to identify deposits that may contain Palaeolithic artefacts. Here we describe 165 quartz and quartzite artefacts with Palaeolithic characteristics (based on technical and morphotypological definitions) from a private collection that was made from erosional lag deposits on the southeastern slopes of Mt. Pendeli and the northern edge of the Spata polje (a large karstic depression filled with terra rossas) in northeast Attica. Artefacts of the same type occur in the region of Ano Souli, another karstic depression. These karstic depressions are of interest because they resemble artefact-bearing deposits found at similar features such as Kokkinopilos in Epirus that have provided datable geologic contexts for Lower and Middle Palaeolithic artefacts. Our study suggests that Attica was frequented by hominins in the Lower and Middle Palaeolithic and that Pleistocene deposits in karstic depressions in Attica may preserve datable contexts for documenting early human activity. The lithic collection described here provides a glimpse of the potential of the region, and we recommend continued archaeological efforts in Attica to investigate the likelihood for buried Palaeolithic sites.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41941109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differential etching after lithic heat treatment: First results of an experimental study 晶片热处理后的微分蚀刻:实验研究的初步结果
IF 1
Journal of Lithic Studies Pub Date : 2018-03-15 DOI: 10.2218/jls.1456
L. Kiers
{"title":"Differential etching after lithic heat treatment: First results of an experimental study","authors":"L. Kiers","doi":"10.2218/jls.1456","DOIUrl":"https://doi.org/10.2218/jls.1456","url":null,"abstract":"The practice of lithic heat treatment creates a combination of initial dull flake scars and subsequent smooth flake scars when the implement is finished after heating. Experiments were done to test the susceptibility of dull and smooth flake scars to etching. The points were etched in 40% hydrofluoric acid for either 40 or 60 seconds. In the 40 seconds experiment, the smooth flake scars of 9 (out of 25) heated points showed less etching than the dull flake scars or no etching at all. These artefacts formed a weathering pattern that is similar to double patina in reworked flints. Ten unheated control samples did not form differential weathering between different generations of flake scars. In the 60 seconds experiment 4 (out of 25) heated points showed some parts of the smooth surface to be less affected. Ten unheated control samples did not form differential weathering. The experiments show that sometimes smooth flake scars are more resistant to etching initially. In Scanning Electron Microscopy, flint artefacts are sometimes pre-treated with hydrofluoric acid. Heat treated flints are susceptible to differential weathering by hydrofluoric acid. Thus, pretreatment with hydrofluoric acid of heat treated SEM samples can lead to surfaces that are etched to a different extent. The chemical etching in this study does not replicate any natural patination process. How heat treated lithics respond to natural weathering processes cannot be predicted. Further studies should produce natural patination and test selected artefacts in contexts of intentional heat treatment for signs of heating.","PeriodicalId":44072,"journal":{"name":"Journal of Lithic Studies","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2018-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47125322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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