Archaeologists often use measurements of standardization in ceramics as evidence for specialized craft production. Analysis of fine-ware bowl kiln wasters from the urban center of Leilan, Syria (ca. 2300 B.C.) provides a rare opportunity to test the standardization hypothesis against the archaeological record of a single production event. Scanning-electron microscopy, xeroradiography, neutron activation, and metric analyses of the wasters show extreme uniformity in manufacturing technology, chemical composition, and vessel dimensions. However, when contrasted with sherds of the same bowl type from other contexts at Leilan, a higher degree of compositional and metric variability is observed. This "cumulative blurring" effect stems from the use of long-lived types from multiple workshops. Although "cumulative blurring" increases sample variability, it does not obscure the overall homogeneity of these ceramics. Our results suggest that standardization can be a reliable index of craft specialization only under conditions of close spatial and chronological control over the archaeological record.
Archaeologists often use measurements of standardization in ceramics as evidence for specialized craft production. Analysis of fine-ware bowl kiln wasters from the urban center of Leilan, Syria (ca. 2300 B.C.) provides a rare opportunity to test the standardization hypothesis against the archaeological record of a single production event. Scanning-electron microscopy, xeroradiography, neutron activation, and metric analyses of the wasters show extreme uniformity in manufacturing technology, chemical composition, and vessel dimensions. However, when contrasted with sherds of the same bowl type from other contexts at Leilan, a higher degree of compositional and metric variability is observed. This "cumulative blurring" effect stems from the use of long-lived types from multiple workshops. Although "cumulative blurring" increases sample variability, it does not obscure the overall homogeneity of these ceramics. Our results suggest that standardization can be a reliable index of craft specialization only under conditions of close spatial and chronological control over the archaeological record.
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The accumulated published database of stable lead isotope analyses of ore and slag specimens taken from Anatolian mining sites that parallel the Black Sea coast has been augmented with 22 additional analyses of such specimens carried out at the National Institute of Standards and Technology. Multivariate statistical analysis has been used to divide this composite database into five separate ore source groups. Evidence that most of these ore sources were exploited for the production of metal artefacts during the Bronze Age and Phrygian Period has been obtained by statistically comparing to them the isotope ratios of 184 analysed artefacts from nine archaeological sites situated within a few hundred kilometres of these mining sites. Also, Appendix B contains 36 new isotope analyses of ore specimens from Central Taurus mining sites that are compatible with and augment the four Central Taurus Ore Source Groups defined in Yener et al. (1991).
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