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This paper explores the integration of chemical data with metric studies and spatial analyses of archaeological artifacts to investigate questions of specialization, standardization, and production organization behind large-scale technological enterprises. The main analytical focus is placed on the 40,000 bronze arrowheads recovered with the Terracotta Army in the First Emperor's Mausoleum, Xi'an, China. Based on the identification by portable X-ray fluorescence spectrometry of chemical clusters that correspond to individual metal batches, and combined with a study of their context in the tomb complex, we argue that the manufacture of arrows was organized via a cellular production model with various multi-skilled units rather than as a single production line. This system favored more adaptable and efficient logistical organization that facilitated dynamic cross-craft interaction while maintaining remarkable degrees of standardization. We discuss the use of 'the batch' as an analytical category and how our method might be applied to other studies of craft organization in complex societies and imperial systems. [ABSTRACT FROM AUTHOR]

In the southern Levant, the late fifth millennium to mid-fourth millennium BC--traditionally known as the Chalcolithic period--witnessed major cultural transformations in virtually all areas of society, most notably craft production, mortuary and ritual practices, settlement patterns, and iconographic and symbolic expression. A degree of regionalism is evident in material culture, but continuity in ceramic styles, iconographic motifs, and mortuary practices suggests a similar cultural outlook linking these sub-regions. Luxury items found in group mortuary caves provide good evidence for at least some inequality in access to exotic materials. The level of complexity in social organization, however, is still debated. Divergent interpretations of Chalcolithic socio-economic organization suggest that, with the large amount of new information now available, a reevaluation of the debate is due. In this article we synthesize the more recent evidence and weigh interpretations of processes that led to the widespread fundamental changes witnessed during the late fifth to early fourth millennium BC. [ABSTRACT FROM AUTHOR]

Stimulated by several important, recent empirical advances, California archaeologists are engaged in a series of lively debates. These advances include new discoveries about the early peopling of western North America and sustained occupation of the California coasts as early as 12–13,000 BP. There also have been significant new developments in the role of paleoenvironmental change in cultural evolution, the emergence of long-distance interaction spheres, the presence of intensive craft specializations, and the appearance of sociopolitically complex hunter–gatherers. This article addresses these issues—and several others—with a view to the general interests of scholars worldwide. The exceptional heterogeneity of California ecosystems (from deserts to dense redwood forests to bountiful offshore islands) and the remarkable cultural diversity exhibited by the dozens of major groups who made these lands their home combine to produce a complex indigenous sociopolitical picture. Current understandings reveal myriad trajectories of cultural change across nine major subregions of the state. [ABSTRACT FROM AUTHOR]