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Any overview of prehispanic society in the Americas would identify its obsidian core-blade production as a unique and highly inventive technology. Normally termed prismatic blades, these long, parallel-sided flakes are among the sharpest cutting tools ever produced by humans. Their standardized form permitted interchangeable use, and such blades became the cutting tool of choice throughout Mesoamerica between 600–800 B.C. Because considerable production skill is required, increased demand may have stimulated the appearance of craft specialists who played an integral role in Mesoamerican society. Some investigators have argued that control over obsidian also had a significant effect on the development and organization of chiefdom and state-level societies.

While researchers have long recognized the potential of obsidian studies, recent work has focused primarily on compositional analysis to reconstruct trade and distribution networks. Study of blade production has received much less attention, and many aspects of this highly evolved craft are still lost.

This volume seeks to identify current research questions in Mesoamerican lithic technology and to demonstrate that replication studies coupled with experimental research design are valuable analytical approaches to such questions.

When the Spanish conquistadors first encountered the great commercial markets of central Mexico they were amazed by the richness and the diversity of products, as well as the level of organization. Ruling elites nurtured and supervised these markets, which were based on a complex division of labor within society, including a diversity of highly skilled craft specialists.

The appearance of such craft specialists—who produced large quantities of goods for other households—represented a significant and fundamental change in the structure of prehistoric economies. In central Mexico one particularly important craft specialty was the making of obsidian prismatic blades, the cutting tools of choice.

Unlike most other craft activities, obsidian craft production can be studied using archaeological techniques. Obsidian Craft Production in Ancient Central Mexico examines the obsidian craft industry found at the site of Xochicalco, Morelos, between A.D. 650 and 900, the Gobernador or Epiclassic period when independent city-states appeared throughout central Mexico to fill the political vacuum left by the decline of Teotihuacan. Because the demand for obsidian tools remained constant, author Kenneth Hirth contends that obsidian can serve as a general model for discussing craft production and economic organization on a broader theoretical level.

Departing from the political economy perspective taken by the vast majority of volumes devoted to Mesoamerican obsidian, Obsidian Reflections is an examination of obsidian's sociocultural dimensions—particularly in regard to Mesoamerican world view, religion, and belief systems.

Exploring the materiality of this volcanic glass rather than only its functionality, this book considers the interplay among people, obsidian, and meaning and how these relationships shaped patterns of procurement, exchange, and use. An international group of scholars hailing from Belize, France, Japan, Mexico, and the United States provides a variety of case studies from Mexico, Guatemala, Belize, and Honduras. The authors draw on archaeological, iconographic, ethnographic, and ethnohistoric data to examine obsidian as a touchstone for cultural meaning, including references to sacrificial precepts, powerful deities, landscape, warfare, social relations, and fertility.

Obsidian Reflections underscores the necessity of understanding obsidian from within its cultural context—the perspective of the indigenous people of Mesoamerica. It will be of great interest to Mesoamericanists as well as students and scholars of lithic studies and material culture.

Obsidian was long valued by ancient peoples as a raw material for producing stone tools, and archaeologists have increasingly come to view obsidian studies as a crucial aid in understanding the past. Steven Shackley now shows how the geochemical and contextual analyses of archaeological obsidian can be applied to the interpretation of social and economic organization in the ancient Southwest. This book, the capstone of decades of investigation, integrates a wealth of obsidian research in one volume. It covers advances in analytical chemistry and field petrology that have enhanced our understanding of obsidian source heterogeneity, presents the most recent data on and interpretations of archaeological obsidian sources in the Southwest, and explores the ethnohistorical and contemporary background for obsidian use in indigenous societies. Shackley provides a thorough examination of the geological origin of obsidian in the region and the methods used to collect raw material and determine its chemical composition, and descriptions of obsidian sources throughout the Southwest. He then describes the occurrence of obsidian artifacts and shows how their geochemical fingerprints allow archaeologists to make conclusions regarding the procurement of obsidian. The book presents three groundbreaking applications of obsidian source studies. It first discusses an application to early Preceramic groups, showing how obsidian sources can reflect the range they inhabited over time as well as their social relationships during the Archaic period. It then offers an examination of the Late Classic Salado in Arizona’s Tonto Basin, where obsidian data, along with ceramic and architectural evidence, suggest that Mogollon migrants lived in economic and social harmony with the Hohokam, all the while maintaining relationships with their homeland. Finally, it provides an intensive look at social identity and gender differences in the Preclassic Hohokam of central Arizona, where obsidian source provenance and projectile point styles suggest that male Hohokam sought to create a stylistically defined identity in at least three areas of the Hohokam core area. These male “sodalities” were organized quite differently from female ceramic production groups. Today, obsidian research in the American Southwest enjoys an equal standing with ceramic, faunal, and floral studies as a method of revealing social process and change in prehistory. Shackley’s book discusses the ways in which archaeologists should approach obsidian research, no matter what the region, offering a thorough survey of archaeological obsidian studies that will have methodological and theoretical applications worldwide. The volume includes an extensive glossary created specifically for archaeologists.