Ceramic technology. How to reconstruct the firing process

Gliozzo, Elisabetta

doi:10.1007/s12520-020-01133-y

Cited by 95 publications

(46 citation statements)

References 221 publications

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“…the processing (Eramo 2020) and modelling (Thér 2020) of clays; surface finishing (Ionescu and Hoeck 2020) and ceramic firing (Gliozzo 2020b); the investigation of different coatings such as black glass-ceramic (Aloupi-Siotis 2020), terra sigillata (Sciau et al 2020) and glazes (Pradell and Molera 2020); the isotopic study of particular types of products such as Chinese ceramics (this paper); the identification of postburial transformations (Maritan 2020); the dating of ceramics (Galli et al 2020); and the restoration and musealisation of ceramics (de Lapérouse 2020). This Topical Collection concludes with a tutorial on statistical data processing (Papageorgiou 2020).…”

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confidence: 99%

Isotopic investigations of Chinese ceramics

Henderson

Cui

et al. 2020

Archaeol Anthropol Sci

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This chapter provides insights into Chinese ceramic technologies of both bodies and glazes as well as provenance by using isotopes applied to a number of case studies. The use of Sr isotopes to investigate Chinese high-fired Celadon wares and blueand-white Jingdezhen porcelain (Jiangxi province) has revealed a clear distinction associated with the fluxes used in the glazes: plant ash in celadons and limestone in Jingdezhen glazes, something that is not clear from major element analysis. Furthermore, the technique is able to suggest by implication the nature of the silica source used in the glazes-normally weathered granitic rocks or metamorphic rocks (porcelain stone) which also contains Sr. This leads to an isotopic mixing line of the 2 Sr-rich components and is proof that 2 Sr-rich components were mixed in the manufacture of limestone glaze. This is not the case for plant ash glazes. Eventually, the technique may be used in provenance studies. Like Sr isotope analysis, lead isotope analysis relies on there being a lack of or a minimal change in the isotope ratios when the raw materials are heated. Lead isotope analysis links the use of lead in glazes to the original metal ore and if a kiln uses a distinctive lead source in its glazes, it can provide a provenance for the pottery. This has been very successful in distinguishing Chinese Tang sancai wares made in the Huangye, Huangbao, Liquanfang and Qionglai kilns.

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confidence: 99%

Isotopic investigations of Chinese ceramics

Henderson

Cui

et al. 2020

Archaeol Anthropol Sci

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“…Lithic fragments were also recognized as common constituents or, more frequently, sporadic to rare, being mainly composed of acid crystalline rocks and (subordinately) chert. The calcareous component is well represented (from abundant to common), consisting of microfossils or micrite clots which are the result of (partial/total) transformation of microfossils after the firing process at temperatures higher than 800 °C (Cau Ontiveros et al 2002;Gliozzo 2020;Maritan 2020). The groundmass (fine plastic matrix) is more often optically inactive and characterized by common lumps.…”

Section: Ceramic Tiles Tile Waste and Experimental Clay Briquettesmentioning

confidence: 99%

Archaeometric analysis of building ceramics and ‘dolia defossa’ from the Roman imperial estate of Vagnari (Gravina in Puglia, Italy)

Montana

Randazzo

Barca

et al. 2021

Journal of Archaeological Science: Reports

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This paper concerns the archaeometric analysis of ceramic finds dating to the Roman Imperial period, brought to light during the excavation campaigns conducted at Vagnari (Puglia) in south-east Italy. On the site of the central village ( vicus ) of this imperial estate, established by the Roman Emperor in the early 1 st century A.D., large dolia (wine vats) sunk into the floor of a winery of the 2 nd century A.D. recently were brought to light. Other discoveries include kilns for the production of ceramic roof tiles and also kiln waste such as misfired tiles. The purpose of the analytical approach was therefore twofold: 1) to establish the composition of local ceramic products and of raw clay resources available nearby; 2) to prove that the dolia were imported and not produced locally (as macroscopic observations of the ceramic vessels would suggest) and to offer a hypothesis concerning their provenance through petrographic observations and chemical analysis. The results show that roof tiles for the settlement were manufactured locally from readily available clay deposits, but the dolia were imported, by sea and/or land, from distant workshops in volcanic zones on the west coast of Italy around Rome or south of Rome near Minturno on the Campanian border.Highlights (for review) Archaeometric analysis of building ceramics and 'dolia defossa' from the Roman Imperial estate of Vagnari

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“…Wollastonite was the new phase that appeared in PT pieces, specifically in PT019. This mineral is a high-temperature secondary phase, which crystallizes from Ca-rich clays [52].…”

Section: Mineralogymentioning

confidence: 99%

Alterations and Contaminations in Ceramics Deposited in Underwater Environments: An Experimental Approach

2021

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Ancient ceramics recovered after a long burial period have probably undergone several alterations and contaminations, introducing a chemical variability, affecting the ceramic’s natural variability. That is, the chemical and the mineralogical compositions of the ceramic pastes after their deposition will not be the same as they originally were. Therefore, it is known that the alteration and contamination processes, and the discrimination of some elements, should be considered when studying the ceramics to avoid incorrect interpretations about their provenance, technology and the use of the artefact, as well as its proper preservation. In the present work, the authors performed an experimental approach in order to study the alterations and contaminations that occurred in 60 ceramic cylinders buried in two different underwater environments. Once the pieces were taken out from the water environments, they were characterized by a multi-analytical approach. For this purpose, inductively coupled plasma mass spectrometry (ICP-MS), X-ray diffraction (XRD), scanning electron microscopy–energy dispersive spectrometry (SEM–EDS) and Raman spectroscopy were used. Newly formed minerals of different forms have been identified, with different crystallization grades. Some examples are the needles, flakes, sponges and long and short prisms composed of several elements such as Ca, F, S and O.

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Ceramic technology. How to reconstruct the firing process

Cited by 95 publications

References 221 publications

Isotopic investigations of Chinese ceramics

Isotopic investigations of Chinese ceramics

Archaeometric analysis of building ceramics and ‘dolia defossa’ from the Roman imperial estate of Vagnari (Gravina in Puglia, Italy)

Alterations and Contaminations in Ceramics Deposited in Underwater Environments: An Experimental Approach

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