scholarly journals Provenance Study of Archaeological Ceramics from Syria Using XRF Multivariate Statistical Analysis and Thermoluminescence Dating

2014 ◽  
Vol 2014 ◽  
pp. 1-6
Author(s):  
Elias Hanna Bakraji ◽  
Rana Abboud ◽  
Haissm Issa

Thermoluminescence (TL) dating and multivariate statistical methods based on radioisotope X-ray fluorescence analysis have been utilized to date and classify Syrian archaeological ceramics fragment from Tel Jamous site. 54 samples were analyzed by radioisotope X-ray fluorescence; 51 of them come from Tel Jamous archaeological site in Sahel Akkar region, Syria, which fairly represent ceramics belonging to the Middle Bronze Age (2150 to 1600 B.C.) and the remaining three samples come from Mar-Takla archaeological site fairly representative of the Byzantine ceramics. We have selected four fragments from Tel Jamous site to determinate their age using thermoluminescence (TL) method; the results revealed that the date assigned by archaeologists was good. An annular 109Cd radioactive source was used to irradiate the samples in order to determine their chemical composition and the results were treated statistically using two methods, cluster and factor analysis. This treatment revealed two main groups; the first one contains only the three samples M52, M53, and M54 from Mar-Takla site, and the second one contains samples that belong to Tel Jamous site (local).

Author(s):  
Karen A. Katrinak ◽  
James R. Anderson ◽  
Peter R. Buseck

Aerosol samples were collected in Phoenix, Arizona on eleven dates between July 1989 and April 1990. Elemental compositions were determined for approximately 1000 particles per sample using an electron microprobe with an energy-dispersive x-ray spectrometer. Fine-fraction samples (particle cut size of 1 to 2 μm) were analyzed for each date; coarse-fraction samples were also analyzed for four of the dates.The data were reduced using multivariate statistical methods. Cluster analysis was first used to define 35 particle types. 81% of all fine-fraction particles and 84% of the coarse-fraction particles were assigned to these types, which include mineral, metal-rich, sulfur-rich, and salt categories. "Zero-count" particles, consisting entirely of elements lighter than Na, constitute an additional category and dominate the fine fraction, reflecting the importance of anthropogenic air pollutants such as those emitted by motor vehicles. Si- and Ca-rich mineral particles dominate the coarse fraction and are also numerous in the fine fraction.


1988 ◽  
Vol 42 (8) ◽  
pp. 1482-1487 ◽  
Author(s):  
J. J. Labrecque ◽  
J. E. Vaz ◽  
K. Tarble ◽  
P. A. Rosales

Radioisotope x-ray fluorescence analysis was performed to determine normalized elemental intensities for pre-Columbian sherds and roller stamps from different archaeological sites in the Middle Orinoco region of Venezuela. These normalized intensities were used to construct three-component (Triangle) graphs separating the sherds into three groups based on their known origin. The three-component graphs were: (Zn, Sr, Zr), (Rb, Sr, Zr), and ( A, Sr, Zr), where A = Cu + Zn + Pb normalized intensities. The total precision was shown to be better than 5% absolute for all cases studied. It was concluded that two of the roller stamps found at one site were probably manufactured in a different source area. This lends support to the notion that the roller stamps were a trade item in late pre-Columbian times (1000–1400 A.D.). The method applied in this study using a 109Cd (2 mCi) source seems to be appropriate for provenance studies of archaeological ceramics where many samples are processed, because it has the inherent advantages of being simple, economical, and rapid.


CATENA ◽  
2020 ◽  
Vol 189 ◽  
pp. 104506 ◽  
Author(s):  
Radu Gabriel Pîrnău ◽  
Cristian Valeriu Patriche ◽  
Bogdan Roşca ◽  
Ionuţ Vasiliniuc ◽  
Nicoleta Vornicu ◽  
...  

2017 ◽  
Vol 3 (1) ◽  
Author(s):  
Davide Tanasi ◽  
Robert H. Tykot ◽  
Frederick Pirone ◽  
Erin McKendry

AbstractThe 1964 archaeological exploration of the Ognina islet near Syracuse, Sicily, has provided evidence suggesting a long-term prehistoric occupation from the Neolithic to the Middle Bronze Age. Maltese style ceramics were found in Early and Middle Bronze Age layers. A small group of imports belonging to the Thermi Ware culture was found in connection with the local Castelluccian Ware (EBA), and Maltese style Borġ in-Nadur wares were recovered with local Thapsos ceramics (MBA). During fieldwork in 2012, large amounts of ceramics were recovered including new examples of Thermi and Borġ in-Nadur wares as well as large amounts of Castelluccian and Thapsos pottery. In order to ascertain whether the Maltese type pottery was imported from Malta, a program of archaeometric analyses was established. Diagnostic samples belonging to both Maltese-like and Sicilian pottery classes were analyzed with destructive thin sectioning and X-ray fluorescence spectrometry (XRF) and subsequently analyzed with non-destructive portable X-ray fluorescence spectrometry (pXRF) together with a sample of Sicilian clay taken from a clay source close to the islet. The analyses demonstrated that the two Thermi Ware samples were locally produced and three out of four Borġ in-Nadur pieces had a Maltese provenance while one of the four being produced in Sicily.


2021 ◽  
Vol 15 (3) ◽  
pp. 108-121
Author(s):  
Ozge Ozer Atakoglu ◽  
Mustafa Gurhan Yalcin

Purpose.The purpose is to determine geological and geochemical characteristics of the Sutlegen (Antalya, Turkey) bauxites, to identify the elements that played a major role in their formation. Methods. X-ray diffraction (XRD) mineral phase analysis, X-ray fluorescence (XRF) elemental analysis, plasma-mass spectrometry (ICP-MS), the petrographic and mineralogical analyses, and multivariate statistical methods were used. Findings. The major element content of the ore was determined as Al2O3 (60-35.2 wt%), SiO2 (39.5-0.2 wt%), Fe2O3 (48.4-19.5 wt%), TiO2 (36.9-16 wt%), and P2O5 (0.5-0.1 wt%). The Sutlegen region, which shows epirogenetic action with the uplift of the earth's crust, is generally rich in neritic carbonates. It was revealed that the bauxite ores have undergone moderate and strong laterization as a result of the deferruginization in the environment, and they were classified into four groups as lateritic, ferritic, kaolinitic, and bauxite. The increase in the aluminosilicate minerals, which were formed during the formation of bauxite in the environment was found to be directly proportional to the laterization processes. In this context, it was considered that the lateritic material that was firstly formed in the environment filled the cavities and pores of the karst-type limestones and sedimentary units in the region by superficial transfer phenomena. The bivariate diagrams of Log Cr vs. Log Ni revealed that the bauxite that formed in the region had an ultrabasic source. Originality. In literature, no scientific studies have been found on bauxite mineralization in the Sutlegen deposits that have been operated for a long period. Practical implications. In this context, the geochemical characteristics of bauxites revealed that the source of the laterization process in the region was the ultrabasic igneous rocks. The lateritic material moved by superficial transfer was accumulated on sandstone, claystone, siltstone, and limestone and in karstic cavities; then, it formed karstic bauxite (kaolinitic and bauxite) of different classifications due to the effect of metamorphism.


Author(s):  
Daniel Ferreira Fidalgo ◽  
Eduardo Porfírio ◽  
Ana Maria Silva

O presente trabalho incide sobre a análise antropológica do espólio ósseo humano recuperado de 21 hipogeus do arqueossítio de Torre Velha 3 (TV3; São Salvador, Serpa), datados entre os meados e a segunda metade do II milénio a.C.. Dezasseis hipogeus são individuais, três duplos (uma inumação in situ com uma redução associada) e um triplo (enterramento duplo com uma redução associada) e dois contextos funerários inconclusivos. Todos os restos ósseos humanos foram recuperados da câmara funerária. Para além destes, um hipogeu continha um enterramento com uma redução associada na câmara e uma inumação primária na antecâmara. Destes sepulcros foram exumados 28 indivíduos, 22 adultos (11 do sexo feminino, nove do masculino e dois casos indeterminados), cinco não adultos e um em que não foi possível atribuir uma faixa etária. Nas inumações primárias e individuais, as oferendas cárneas encontram-se associadas a adultos de ambos os sexos. Por sua vez as cerâmicas e punções surgem somente em enterramentos do sexo feminino, com a excepção de um punção associado ao adulto do sexo masculino [2007]. Recorrendo à análise estatística de componentes principais, foi possível observar que as diferenças na morfologia dentária de TV3 em comparação com outras amostras da Pré-História recente Peninsular são mínimas, e podem ser explicadas por mudanças genéticas associadas a possíveis contactos e interações interregionais. Foram ainda identificados padrões de desgaste dentário atípico que sugerem o uso parafuncional do sistema mastigatório de adultos do sexo feminino. Relativamente à patologia oral, a incidência de lesões cariogénicas na amostra é de 5,85% (29/495), e afecta cerca de 57% dos indivíduos analisados (n=21). Estes valores são superiores à maioria das amostras comparadas do Neolítico Final/Calcolítico do actual território Português, mas semelhantes aos registados para outras comunidades da Idade do Bronze. New data on the Middle Bronze Age hypogea of Torre Velha 3 (Serpa): burial contexts and the study of the human osteological remains - The present work focuses on the anthropological analysis of the human remains exhumed from 21 hypogea of the archaeological site of Torre Velha 3 (TV3; São Salvador, Serpa), which is dated between the middle and second half of the II millennium B.C. Sixteen hypogea were individual, three double (one in situ burial with an associated reduction) and one triple (double burial with associated reduction) and two inconclusive funerary contexts. The human remains were collected unearthed from the chambers of the tombs. Besides these, one hypogeum displayed an in situ burial with an associated reduction in the chamber and other in situ burial in theantechamber. From these tombs were exhumed 28 individuals, 22 adults (11 females, nine males and 2 inconclusive), five non adults and one unknown. In primary and individual burials, meat offering were found in association with adults from both sexes. Ceramic vessels and awls are found only in female burials, with the exception of one awl found in association with the male adult [2007]. Using a principal component analyses, it was possible to observe that the differences in dental morphological traits found in TV3, in comparison with other samples from the Iberian Peninsula’s recent pre-history, are minimal and can be explained by genetic changes derived from possible inter-regional contacts and interactions. Some atypical dental wear patterns were also identified, mostly in adult females, and these suggest the parafunctional use of the masticatory system. Finally, the incidence of cariogenic lesions found is 5.85% (29/495), affecting around 57% of the individuals analysed (n=21). These values are higher than Late Neolithic/Chalcolithic samples from nowadays Portugal, but similar to the values found in Bronze Age samples.


Author(s):  
Ruben Davtyan

Archaeological Site: Lori Berd (Northern Armenia); cemetery, dating from Middle Bronze Age till Achaemenid period.Tomb No. 106: stone chamber. Ceramic and part of the finds date to Achaemenid period. Also a pinkish chalcedony cylinder seal with gold caps on gold pin. Iconography: standing figure, seizing two upstanding caprids surrounded by symbolic fillings.Dating: a Neo-Babylonian cylinder seal of late 8th till 7th century BC.Similar example: usage of Neo-Assyrian/Babylonian cylinder seal by Irtashduna (wife of Darius I) around 500 BC.Interpretation: suitable for reciprocity of gifts in prestige-goods system of Achaemenid period. Perhaps a gift from satrap to local chief.


2021 ◽  
Vol 25 (1) ◽  
pp. 20-33
Author(s):  
G. V. Pashkova ◽  
◽  
M. M. Mukhamedova ◽  
V. M. Chubarov ◽  
A. S. Maltsev ◽  
...  

Wavelength-dispersive X-ray fluorescence analysis (WDXRF) and total-reflection X-ray fluorescence (TXRF) analysis were applied to study the elemental composition of the Late Neolithic ancient ceramics collected at the Popovsky Lug burial site (Kachug, Upper Lena river, Russia). Semi-quantitative non-destructive analysis of ceramic pieces showed that measurements of the upper and lower sides of the ceramic are less informative than the measurement of its cut. Various sample preparation techniques for the low quantity of crushed ceramics such as fusion, pressing and preparation of suspensions were compared to preserve the material. Samples were prepared as 150 mg fused beads and 250 mg pressed pellets for WDXRF, and as suspensions of 20 mg sample based on the aqueous solution of the Triton X-100 surfactant for TXRF. Certified methods were used to validate the obtained contents of rock-forming oxides and inductively coupled plasma mass spectrometry was used to confirm the results of trace elements determination. Based on the carried-out studies, a combination of the wavelength-dispersive X-ray fluorescence analysis (glass) and total-reflection X-ray fluorescence analysis (suspension) methods was chosen to obtain the data on the elemental bulk composition of archaeological ceramics. The proposed combination allowed the quantitative determination of Na, Mg, Al, Si, P, K, Ca, Ti, Mn, Fe, V, Cr, Ni, Cu, Zn, Ga, Rb, Sr, Y, Zr, Pb, and Ba from the sample of crushed ceramics weighing only about 170 mg.


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