Petrographic and geochemical investigations of the late prehistoric ceramics from Sos Höyük,Erzurum (Eastern Anatolia)

Ceramics from the late prehistoric periods at Sos Höyük, in Eastern Anatolia, located along a thoroughfare that connects the Trans-Caucasus, Iran and central Anatolia, were subjected to petrographic and X-ray fluorescence analysis in order to characterise the clay groups, with a view to determining provenance and production patterns. Dominated by Kura-Araxes Ware, the data from the sequence at Sos Höyük were compared with the previous studies from the neighbouring regions to understand commonalities in pottery production. The analyses reveal a local production of vessels, most probably for household use. Although Sos Höyük potters shared similarities in the procurement pattern of raw clays and production technique with their neighbours, differences can be also recognized.     

STUDYING TECHNOLOGICAL PRACTICES AT A LOCAL LEVEL: NEUTRON ACTIVATION AND PETROGRAPHIC ANALYSES OF EARLY CERAMIC PERIOD POTTERY IN CENTRAL CHILE*

We discuss neutron activation and petrographic analyses of domestic ceramics and some raw materials from five archaeological sites in the Valdivia de Paine locality, in Central Chile. During the time period studied, the area was occupied by small‐scale horticultural groups with disperse and sedentary or semi‐sedentary settlement patterns. The analyses indicate that diverse local raw material sources were used in pottery production, and shared by members of different co‐residential units and between different cultural groups. The data indicate as many similarities as differences among the technological practices of pottery‐producing groups who lived in spatial proximity. The results have implications for the understanding of pottery‐producing communities at a local level, as well as small‐scale groups in general.     

The forest or the trees? Behavioral and methodological considerations for geochemical characterization of heavily-tempered ceramic pastes using NAA and LA-ICP-MS

In this paper, the utility of LA-ICP-MS for instrumentally separating clay and temper within pottery samples is examined through a well-known case study that has been previously characterized through NAA and petrography. Coarse Orange pottery is composed of kaolinitic clays heavily tempered within volcanic ash from the basalt-rich Tuxtla Mountains of southern Veracruz, Mexico. We attempt to address the following topics with analyses on this pottery: 1) can LA-ICP-MS replicate the same groups previously identified by NAA and petrography; 2) can instrumental isolation of the clay fraction within the pottery replicate known patterns in raw clay source geochemistry in the Tuxtla Mountains; 3) can data for both the clay and volcanic ash fractions of each pottery sherd be combined to simulate the bulk INAA data? The results demonstrate that the clay fraction of the pottery sherds can be isolated. Furthermore, the LA-ICP-MS data for the clay fractions display nearly identical chemistry to available NAA data for raw clay samples collected from geological contexts in the region. Instrumentally isolating the clay fraction in this case eliminates the homogenizing effects of adding a common temper and increases the chemical separation among groups making it easier to identify clay procurement strategies for each specimen. However, focusing only on the clay fraction ignores significant tempering variation. Attempts to simulate the bulk NAA by combining LA-ICP-MS data for clays and temper was reasonably successful in reestablishing the tempering variation lost by exclusive focus on clays, but such an approach could not replace the more precise data generated from NAA and petrography.     

MINERO‐PETROGRAPHIC STUDY OF COOKING WARE AND POMPEIAN RED WARE (ROSSO POMPEIANO) FROM CUMA (SOUTHERN ITALY)

Excavations carried out in Cuma by the Centre Jean Bérard archaeologists have uncovered a large quantity of pottery. This study is focused on cooking ware and on internal red‐slip cookware, also known as Pompeian Red Ware (Rosso Pompeiano), dated from the first century bc to the first century ad . A comparison with the minero‐petrographic composition of beach sands collected along the Bay of Naples coastline highlights the provenance of the temper from the Somma‐Vesuvius area, marked by leucite‐bearing scoriae and garnet. Petrochemical analyses allow us to distinguish two main groups of pottery characterized by different technological options based on the amount of temper and on the type of clay. X‐ray diffraction and scanning electron microscope data demonstrate improved accuracy in the production of Rosso Pompeiano, especially with regard to firing control, which was in a prevailing oxidizing atmosphere and in a narrow thermal range, between about 800 and 900°C.     

Archaeometric study of medieval pottery excavated at Stari (Old) Ras,Serbia

A combined study of a series of polychromatic and monochromatic glazed medieval pottery shards excavated from the archaeological area of Stari (Old) Ras in southern Serbia, including petrographic and chemical analysis, powder X-ray diffraction (PXRD) and Fourier transform infrared (FTIR) spectroscopy, allowed us to clearly distinguish between two groups of ceramics. Ras pottery, made of fine-grained well-cleaned clay and characterised by a rich mineral assemblage, was produced by firing in a temperature range between 800 and 900 °C. Reljina Gradina ceramics were produced at similar temperatures from materials which, with regard to mineralogical and chemical composition, show clear similarity with local clay, suggesting that these samples are of local origin and production. This work is the first systematic archaeometric study of medieval pottery excavated on the territory of Serbia.     

CHEMICAL CHARACTERIZATION AND STATISTICAL MULTIVARIATE ANALYSIS OF ANCIENT POTTERY FROM MESSINA,CATANIA, LENTINI AND SIRACUSA (SICILY)*

This paper presents the chemical characterization of 79 fragments of Archaic and Hellenistic fine‐grained pottery from archaeological sites in Messina, Catania, Lentini and Siracusa (Sicily). The sherds were classified as ‘calcidian’, ‘banded’, ‘unvarnished’ and ‘black varnished’ pottery. The major and trace elements identified by X‐ray fluorescence (XRF) were statistically elaborated using the method proposed by J. Aitchinson in 1986 for the analysis of compositional data. From cluster analyses using element/SiO₂ log‐ratios, it was possible to group the pottery found in Catania, Lentini and Siracusa into highly linked clusters. Conversely, the Messina pottery was divided into two clearly distinct groups. With the aim of identifying any possible mineralogical differences between the two Messina groups, Fourier transform infrared (FT–IR) absorption measurements were made, showing only quantitative differences in plagioclase and muscovite. The specific groups of pottery with restricted chemical compositions are considered to be of local production, also on the basis of archaeological and petrographic evidence.     

NEW PETROGRAPHIC EVIDENCE PERTAINING TO CERAMIC PRODUCTION AND IMPORTATION AT THE OLMEC SITE OF SAN LORENZO*

This paper reports the results of petrographic analyses of 41 new pottery thin sections from San Lorenzo. The resulting compositional data provide an important new context for evaluating the disputed status of carved vessels previously identified as imports to the site. By comparing local and Oaxaca highlands pottery, the disputed vessels are shown to be (a) compositionally distinct from San Lorenzo pottery and (b) similar to highland pottery. San Lorenzo was not just an exporter but also an importer of pottery vessels, a finding relevant to consideration of San Lorenzo's role in the production and exchange of ceramics in Early Formative Mesoamerica.     

Mycenaean pottery from the Argolid and Achaia—a mineralogical approach where chemistry leaves unanswered questions

The chemical classification of Mycenaean pottery from the Northern Peloponnese by neutron activation analysis (NAA) resulted in two groups with very similar chemical compositions assigned to production centres in the Argolid and in Achaia, respectively. The statistical separation of these two groups on the basis only of their chemical composition was difficult, and not clear‐cut for all of the examined samples. A complementary mineralogical examination by X‐ray diffraction (XRD) of some selected samples indicated differences in the mineralogical composition, which confirmed the determined chemical differences. Furthermore, a clay sample was examined, which showed a composition similar to that of the pottery.     

Chemical Variability in Clays and Pottery from a Traditional Cooking Pot Production Village: Testing Assumptions in Pereruela*

This paper explores analytically the contemporary pottery‐making community of Pereruela (north‐west Spain) that produces cooking pots from a mixture of red clay and kaolin. Analyses by different techniques (XRF, NAA, XRD, SEM and petrography) showed an extremely high variability for cooking ware pottery produced in a single production centre, by the same technology and using local clays. The main source of chemical variation is related to the use of different red clays and the presence of non‐normally distributed inclusions of monazite. These two factors induce a high chemical variability, not only in the output of a single production centre, but even in the paste of a single pot, to an extent to which chemical compositions from one ‘workshop’, or even one ‘pot’, could be classified as having different provenances. The implications for the chemical characterization and for provenance studies of archaeological ceramics are addressed.     

PETROGRAPHIC AND GEOCHEMICAL EVIDENCE FOR LONG‐STANDING SUPPLY OF RAW MATERIALS IN NEOLITHIC POTTERY (MENDANDIA SITE,SPAIN)

Pottery from the Neolithic Mendandia site has been studied. The radiocarbon dating of the site corresponds to a range of dates from 7488–7546 cal bc to 5283–5437 cal bc : the first occurrence of pottery is dated at 5968–6040 cal bc for the lower level III, and up to 5386–5560 cal bc for level II. The antiquity of the potsherds places them within the oldest pottery production sequences in the Iberian Peninsula, which adds to the interest of this study. Ten potsherds from level II and five from level III are analysed for their petrographic and chemical characterization. The petrographic data show two different methods of raw materials manufacture—intentionally tempered pottery (ITP), using calcite and/or limestone and grog, and naturally or non‐intentionally tempered pottery (NTP). According to the matrix paste features, on the basis of the amount, shape, and average or size range of the mineral inclusions, clayed (type A) and sandy (type B) paste types were established and related to two different source areas. The chemical features also indicate two raw material sources and are in agreement with the petrographic paste types. The absence of significant chemical and mineralogical differences between the pottery from levels II and III suggests two contrasting areas for raw materials supply that lasted for at least 600 years.     

Foreign ceramic tradition,local clays: the Handmade Burnished Ware of Tell Kazel (Syria)

Late Bronze Age Handmade Burnished Ware (HMBW) from Tell Kazel was studied by thin-section petrography and neutron activation analysis in order to investigate its manufacturing technology and origin of production. Results show that the majority of the HMBW fabric groups point to a local area of production while a few petrographic loners might have been produced elsewhere in the Akkar Plain or imported. The manufacturing technique, in terms of clay paste recipe, forming and finishing techniques, is however new in the Tell Kazel pottery assemblage, hinting at the work of foreigners present at the site. The historical and archaeological contexts further suggest that these foreigners were some of the Sea Peoples and the stylistic and analytical data further reinforce the link between the northern Levant and the western Mediterranean.     

Archaeometric Investigation of Medieval Pottery from Excavations at Novo Brdo,Serbia

Medieval pottery from excavations at Novo Brdo, Serbia, an important mining and trading centre during the 14th and 15th centuries, was investigated by a combination of optical microscopy, inductively coupled plasma – optical emission spectrometry, Fourier transform infrared, micro‐Raman and energy‐dispersive X‐ray fluorescence spectroscopy and X‐ray powder diffraction methods in order to determine its composition and firing temperature. The samples investigated were made of medium‐ to coarse‐grained, non‐calcareous clay, by a relatively well‐controlled firing procedure in an oxidizing atmosphere. The firing temperature was estimated to be 850–950°C. The similarity between the chemical composition of the investigated pottery and the local raw clay, combined with the outward appearance and the archaeological findings, indicate domestic production. The pottery is covered with the transparent lead‐rich glaze. Iron and copper were used as colourants.     

A northern Neolithic? Clay work,cultivation and cultural transformations in the boreal zone of north‐eastern Europe,c.5300–3000 bc

The adoption of pottery in eastern Fennoscandia in the later sixth millennium BC has traditionally been understood in straightforward technological and practical terms, and as a development that did not mark other significant changes in local culture or ways of life. Recent research in the region, combined with new ideas about Neolithization in Eurasia more generally, nonetheless suggests that the adoption of pottery was associated with more fundamental cultural and environmental transformations than has previously been thought. This article brings together diverse old and new data from north‐eastern Europe and discusses the character and dynamics of cultural and human‐induced environmental change following the adoption of pottery. The aim is to provide a scenario of long‐term cultural changes and, in particular, to consider the significance and broader implications of the very practices of clay use and cultivation, as well as their links to wider cultural and environmental phenomena.     

河曲坪头遗址龙山时期陶器及其制陶原料的化学成分分析

为了对山西省忻州市河曲坪头遗址出土的龙山时期的陶器以及制陶原料中的粘土原料的种类和来源进行相关探讨,利用ICP-OES对出土的陶器、坯料,以及遗址附近采集的土样进行了化学成分测试,并使用SPSS软件对分析结果进行了降维处理和主成分分析。结果显示:坪头遗址不同质地的陶器陶土原料相同,只是在钙含量方面存在细微差异。制作陶器所用的粘土原料很可能取自附近的红色古土壤层。该遗址是古人在当地制作陶器的一个场所。     

Neutron Activation Analysis of Late Sixth Century bce Pottery from the Pointe Lequin 1A Shipwreck and Massalia,and Comparison with the Cala Sant Vicenç Shipwreck and Emporion

This paper presents the results of neutron activation analyses of pottery samples from four late sixth century bce sites in the Western Mediterranean: the Pointe Lequin 1A shipwreck, the Bourse site in Marseilles, the Greek colony of Emporion and the Cala Sant Vicenç shipwreck, with the goal of locating the production of a commonly found cup type, the so‐called ‘Ionian’ cup, type B2. The NAA results show three distinct compositional groups, although the location of production could not be determined with certainty. The results also show that submarine diagenesis of pottery samples does not necessarily render them incomparable with samples from terrestrial sites.     

Variability of Ceramic Production and Consumption on the Greek Mainland During the Middle Stages of the Late Bronze Age: The Waterpots from the Menelaion,Sparta

The article examines pottery groups manufactured in non‐Mycenaean traditions from the site of the Menelaion in Laconia (southern Peloponnese, Greece) during the middle stages of the Late Bronze Age. Pottery traditions are first defined using macroscopic study of surface and break features. Two distinct handmade traditions, and another one employing the wheel but with some links to traditional handmade pottery manufactured on the island of Aegina, were recognized and subjected to petrographic analysis. Its results confirmed that potters’ choices regarding clay preparation were different in the case of each identified tradition, being most distinct for the largest group of handmade undecorated water jars. The study highlights survival of pottery traditions with roots in the Middle Helladic period well into the Late Bronze Age, a fact that has not received appropriate attention in the scholarly discourse. It captures the very last stage of their existence, as just a few decades later the production and consumption are entirely dominated by Mycenaean pottery.     

The Hellenistic and Roman Syracuse (Sicily) Fine Pottery Production Explored by Chemical and Petrographic Analysis

The chemical composition and petrographic features of 51 samples of fine pottery selected from the archaeological site of Syracuse have been established by means of optical microscopy and X‐ray fluorescence spectrometry, with the aim of creating a reference group for the ceramics produced in this important Greek colony during the Hellenistic–Roman period. This reference group is constrained by the analysis of six kiln wasters and of raw materials outcropping in the studied area. Among the studied findings, the main part is assignable imputably to local production, while some specimens probably come from Greece and other colonies (Messina and Gela). The Syracuse fine pottery is characterized by inclusions formed mainly by quartz and micaceous and fossiliferous groundmass. The used pastes were more or less purified through the removal of the sandy‐to‐coarse silty granulometric fraction. The multivariate statistical analysis of chemical data permits the identification of production at Syracuse on the basis of comparison with the kiln wasters and the Plio‐Pleistocene clays.     

PLAIN POTTERY AND SOCIAL LANDSCAPES: REINTERPRETING THE SIGNIFICANCE OF CERAMIC PROVENANCE IN THE NEOLITHIC

This paper focuses on plain, stylistically unvaried pottery from three Late Neolithic sites from the Mondego Plateau, Portugal, and investigates ceramic production and exchange among small‐scale prehistoric societies by means of thin‐section petrography and chemical analysis (INAA). The results show that the majority of the pottery was made with widely available, granite‐derived sedimentary clays, but petrographic differences between fabrics indicate collection at multiple locations within these deposits. Variation in chemical composition is consistent with site‐specific sourcing areas, while comparison with data from earlier sites in the Mondego and surrounding mountains suggests that such sources were geographically restricted within the plateau. In contrast, the small percentage of vessels produced with residual clays of metamorphic and intermediate igneous origin, which outcrop over 10 km and 30 km from the archaeological sites, demonstrates that plain pottery did circulate during the Neolithic beyond the funerary sphere. This is the product of the routines of mobility and social networks of Neolithic groups across the wider landscape, which involved the exchange of ‘mundane’ vessels. Finally, the study demonstrates that micro‐regional provenance studies can provide significant insights into prehistoric social landscapes if the data are interrogated beyond simplistic classifications of local and non‐local.     

NEUTRON ACTIVATION PATTERNING OF ARCHAEOLOGICAL MATERIALS AT THE NATIONAL CENTER FOR SCIENTIFIC RESEARCH ‘DEMOKRITOS’: THE CASE OF BLACK‐ON‐RED NEOLITHIC POTTERY FROM MACEDONIA,GREECE

A short history of the application of NAA in the characterization of archaeological materials at the National Center for Scientific Research ‘Demokritos’, Athens, is presented. NAA was first applied in archaeology in 1974 at the Radioanalytical Laboratory, and since 1989 has been one of the primary analytical techniques of the ‘Demokritos’ archaeometry programme. A case study is also presented, concerning chemical patterning of the black‐on‐red Neolithic pottery class from Macedonia. Four chemical groups were identified, each corresponding to a different area of production. It is shown that this standardized concept of pottery technology and style was spread out within at least eastern Macedonia.     

1500 Years of Pottery: Neutron Activation Analysis of Northern Chilean Domestic Ceramics from Caleta Vitor and Clay Samples from Nearby Valley,Coast and Highland Contexts

This paper presents the findings arising from neutron activation analysis (NAA) of northern Chilean domestic ceramic samples from Caleta Vitor (n = 38) and clay samples (n = 15) from nearby valley, coast and highland contexts. This study presents the first NAA data set of ceramics spanning a temporal period of 1500 years (c.2000 to c.476 bp ) from the Vitor Valley as well as the first attempt to use NAA to characterize potential clay sources in the region. On the basis of this study, we argue that the majority of domestic ceramics from Caleta Vitor share compositional similarities with clay samples collected from nearby valleys, allowing us to infer that the Caleta Vitor populations primarily procured their clay for domestic ceramics from local sources throughout a 1500‐year period. Thus, despite the fact that there were inter‐regional interactions during this period that included the influence of powerful Andean polities, it would appear that domestic ceramics continued to be produced locally, and by implication it can be argued that such interactions did not substantially affect this sphere of material culture production. Further, the apparent continuities in domestic ceramic production allow us to reflect on local decision‐making processes throughout the cultural phases considered in this research.