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Showing 2 results for Type of Study: Technical Paper
Technology of Three Samples of Black-Glazed and Turquoise-Glazed Pottery from Ancient Jorjan
Arman Razm, Hossein Ahmadi, Abbas Abed Esfahani ,
Volume 1, Issue 2 (10-2017)
Abstract
Many artifacts found in the places where ancient communities lived in Jurjan indicate the antiquity of life in this region. Much evidence of Jurjan's importance in historical periods, including the Achaemenid, Sassanid, and Seleucid periods, can be found in inscriptions from that period. During the Seljuk period, Jurjan was the cradle of science, literature, art, and industry in northern Iran, and was one of the country's important centers for glassmaking, pottery, and metalworking, and the use of glazes on pottery. The use of black patterns and turquoise glazes is abundant in pottery objects excavated in Jurjan. In this study, three samples of pottery with this type of glaze in the Jurjan region were examined in terms of technology, and the manufacturing method and materials used in them were studied. In this regard, the glazes were identified using digital microscopy, polarizing optical microscopy, scanning electron microscopy, and X-ray diffraction analysis. According to microscopic images of the cross-sections of the samples, the glazing method is underglaze and three layers are visible to create the glaze. First, a milky layer called engobe is created on the surface of the pottery, then black patterns are applied on it, and finally a layer of transparent turquoise glaze covers the entire surface.

Technical Report Conservation-Restoration Practices in Trench 12 Excavations at Qara Tepe Sagzabad, Qazvin Plain (2018)
Ramin Mohammadi Sefidkhani, Mostafa Dehpahlavan,
Volume 7, Issue 3 (11-2024)
Abstract
Conservation in archaeological excavations involves creative and rapid methods aimed at minimal intervention and maximum preservation of findings until their transfer to well-equipped and specialized laboratories. Given that the first professional interaction with discovered artifacts falls within the realm of conservation and restoration, and considering that all related actions, including comprehensive and scientific sampling, ensure the preservation of both hidden and visible data, it is essential to focus on expanding methods and practices in this field. The lack of reports on practical conservation measures in archaeological excavations, and occasionally the absence of specialists on-site or acceptable specialized actions, highlights the necessity of paying greater attention to this area. This article aims to document the conservation and restoration measures undertaken in Trench 12 of the Qareh Tepe Segaabad cemetery in the Qazvin Plain, detailing the processes of grave block-lifting, ceramic bandaging, stabilization and consolidation of ceramic, metal, and bone artifacts, and their retrieval. The tools used in the conservation and restoration of the mentioned trench include transparent adhesive tape, aluminum foil, various brushes, tweezers, cotton, polyester fibers, banana crates, injection syringes, jute sacks, wooden skewers, scalpel blades, and pipettes. The chemical materials used for joining, stabilization, and consolidation include alcohol, acetone, toluene, transparent epoxy adhesive (Ghaffari brand), Paraloid B72 resin, polyurethane resin, and plaster. Conservation in archaeological excavations involves creative and rapid methods aimed at minimal intervention and maximum preservation of findings until their transfer to well-equipped and specialized laboratories. Given that the first professional interaction with discovered artifacts falls within the realm of conservation and restoration, and considering that all related actions, including comprehensive and scientific sampling, ensure the preservation of both hidden and visible data, it is essential to focus on expanding methods and practices in this field. The lack of reports on practical conservation measures in archaeological excavations, and occasionally the absence of specialists on-site or acceptable specialized actions, highlights the necessity of paying greater attention to this area. This article aims to document the conservation and restoration measures undertaken in Trench 12 of the Qareh Tepe Segaabad cemetery in the Qazvin Plain, detailing the processes of grave block-lifting, ceramic bandaging, stabilization and consolidation of ceramic, metal, and bone artifacts, and their retrieval. The tools used in the conservation and restoration of the mentioned trench include transparent adhesive tape, aluminum foil, various brushes, tweezers, cotton, polyester fibers, banana crates, injection syringes, jute sacks, wooden skewers, scalpel blades, and pipettes. The chemical materials used for joining, stabilization, and consolidation include alcohol, acetone, toluene, transparent epoxy adhesive (Ghaffari brand), Paraloid B72 resin, polyurethane resin, and plaster.

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