Unglazed pottery from the masjed-i jom’e of Isfahan (Iran): technology and provenance

Bonis, Alberto De; D'Angelo, María Carmela; Guarino, Vincenza; Massa, Serena; Anaraki, Faribah Saiedi; Genito, Bruno; Morra, Vincenzo

doi:10.1007/s12520-016-0407-z

Cited by 21 publications

(6 citation statements)

References 40 publications

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“…(g) Ternary diagram showing the composition of melilites. Reference analyses are from Dondi et al (1998), Melluso et al (2010), and De Bonis et al (2014); De Bonis, D'Angelo, et al (2017). (h) Ternary diagram of fassaite‐diopside‐Ca‐tschermakite‐esseneite (Cosca & Peacor, 1987).…”

Section: Resultsmentioning

confidence: 99%

Minero‐petrographic characterization of fine ware from Cales (South Italy)

et al. 2023

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Abstract79 samples of black glazed pottery, Terra sigillata, fine common ware, and production indicators were recovered in the archaeological site of Cales and investigated via a multi‐analytical program (polarized light microscopy, thermal analyses, XRPD, XRF, FESEM, FESEM‐EDS). Among the materials, finds of important production indicators, represented by welded pieces of black glazed pottery and spacers, attest a local production.Polarized light microscopy shows that the inclusions consist of feldspar, quartz, mica, calcite, and lithic fragments of both volcanic and sedimentary nature. Additional information about the mineralogical assemblage comes from the XRPD that revealed the presence of neoformed Ca‐silicates, indicating equivalent firing temperatures ranging from 750 to 1050°C.All the samples show a Ca‐rich character and an extreme compositional homogeneity, including the production indicators. The comparison with some Ca‐rich Campanian clay raw materials shows a greater affinity with the Mio‐Pliocene marine clay sediments of the Apennine sector, which include local clays. This allowed us to formulate the first hypotheses about clay sources used to produce fine pottery during the third century BCE to the early imperial period in Cales.

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Section: Resultsmentioning

confidence: 99%

Minero‐petrographic characterization of fine ware from Cales (South Italy)

et al. 2023

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“…Figure 4b shows that the amount of calcium oxide in the rst group changes between 1.6-3.1wt%, in the second group changes between 4.2-4.7wt%, and the third group varies between 0.9-2.3wt%. However, it is observed that the weight percentage of calcium oxide in these samples is very low, which indicates that non-calcareous silica resources have been used (Holakooei, et al, 2013, De Bonis, et al, 2017. In addition, Fig.…”

Section: 2: Micro-pixe Analysismentioning

confidence: 90%

Elemental analysis of pottery obtained from the historical site of Kohneh Gorab Amlash using Micro-PIXE technique: classification and provenance study

Raof

Raiygani

Agha-Aligol

2022

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The study and measurement of elemental compositions of historical pottery have particular importance. Only by knowing the elemental composition of these historical artifacts can precious information be obtained in various fields such as technology and manufacturing technique, determination of raw materials used in manufacturing and their diversity, the study of trade and exchange, and provenance study of these historical objects. In this article, 14 pieces of glazed artifacts, including the remaining nine dishes and five tiles belonging to the middle of the Islamic period, have been analyzed and examined using the micro-PIXE technique.The pottery studied in this article have been obtained from the second season of archaeological excavation in the ancient site of Kohneh Gorab Amlash in Gilan province in 2021. In the present study, the elemental compositions of the main body, the base glaze, and the surface decorations used in these pieces have been measured using the micro-PIXE analysis for the first time.This study uses elemental analysis to find appropriate answers to related questions. What raw materials have been used to manufacture the main body and glaze of these objects, whether the same raw materials used in the main body and base glaze? What is the resource of the raw materials used as flux or melting materials? Determining the colorant agents and identifying the elements that are responsible for different colors is another question that can be considered as another goal of this research work.Based on the results obtained from the elemental compositions of the main body of the pottery, it can be concluded that different sources of silica have been used in the making of the pottery of Kohneh Gorab Amlash. Elemental analysis depicted three different types of raw materials used in the main body of this pottery to supply silica raw materials. The first group used stonepaste as silica raw materials, and the second and third groups were used clay to silica resources. Also, the results of elemental analysis of the base glaze show that three types of alkali glaze, lead glaze and lead-tin-alkali glaze, can be identified in these studied objects. In addition, the results shows that the flux used in alkaline glazes was prepared from plant ashes.

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“…Additional important information related to firing technology was obtained by means of XRPD and SEM analyses on the nine specimens included in the program of analysis and selected for one or more readily apparent production defects that point to irregular firing. We refer to equivalent firing temperature (EFT) as mineralogical and microstructural transformations occurring upon firing, depending not only on maximum firing temperature but also on time and redox conditions of the kiln atmosphere (De Bonis et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

Multianalytical investigation of wasters from the Tower 8/Porta di Nola refuse middens in Pompeii: Sr–Nd isotopic, chemical, petrographic, and mineralogical analyses

et al. 2021

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A total of nine representative pottery fragments belonging to ferruginous, carbonate, and thin‐walled wares were recovered in refuse middens outside the fortification wall of Pompeii and subjected to a program of multianalytical operations (thermal ionization mass spectrometry, X‐ray fluorescence, X‐ray powder diffraction analysis, scanning electron microscopy–energy‐dispersive spectrometry techniques, optical microscopy). The fragments bear manufacturing defects, indicating their local production in workshops located somewhere at Pompeii. These three groups display a similar volcanic coarse component that exhibits distinct chemical compositions. The volcanic component consists of alkali feldspar, clinopyroxene, plagioclase, minor garnet, and rock fragments (with primarily plagioclase and leucite), pointing to an origin from the Somma‐Vesuvius. The fingerprint of the Sr–Nd isotopes of carbonate ware suggests an affinity with high‐CaO clays from Rufoli, a subdivision of Salerno. Sr–Nd isotopes also suggest that clays from the Sorrentine Peninsula were used: A clay mixture of different argillified pyroclastic materials was employed for the low‐CaO ferruginous ware, whereas the low‐CaO thin‐walled ware was manufactured with a marine varicolored clay. The distribution of materials likely occurred by sea via the port at Salernum and Surrentum. The combination of different types of complementary data obtained through this program of analysis illustrates the importance of combining both quantitative petrographic and chemical characterization in the evaluation of archaeological pottery.

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Unglazed pottery from the masjed-i jom’e of Isfahan (Iran): technology and provenance

Cited by 21 publications

References 40 publications

Minero‐petrographic characterization of fine ware from Cales (South Italy)

Minero‐petrographic characterization of fine ware from Cales (South Italy)

Elemental analysis of pottery obtained from the historical site of Kohneh Gorab Amlash using Micro-PIXE technique: classification and provenance study

Multianalytical investigation of wasters from the Tower 8/Porta di Nola refuse middens in Pompeii: Sr–Nd isotopic, chemical, petrographic, and mineralogical analyses

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