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Isotopic Evidence for Long-Distance Mammal Procurement, Chaco Canyon, New Mexico, USA

Author(s): Deanna Grimstead ; Jay Quade ; Mary Stiner

Year: 2017

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Summary

Previous research on the prehistoric communities of Chaco Canyon, New Mexico (ca. A.D. 800 – 1250) provides evidence of an extensive procurement system of non-local food and economic goods. In this paper we use oxygen, carbon, and strontium isotope analyses to establish whether animal protein followed a similar pattern. We contextualized our analyses of the archaeofaunas from recent excavations at Pueblo Bonito with data on modern faunas across an area of ~100,000 km2 around the site. Our results show that most archaeological deer, rabbits, and prairie dogs were obtained from >40 km away from Pueblo Bonito with the latter two likely being garden hunted. The Chuska Mountains west of Chaco Canyon and more distant San Juan Mountains to the north were the main source areas. These results closely align with previous results on architectural wood, corn, and other resources. The importation of small game animals suggests that the local supplies could not meet the needs of the community. Long distance meat procurement may have been embedded within a more complex network of ritual-goods exchange or tribute that helped to offset the transport costs. Resource depletion may have contributed to the eventual abandonment of the region during the Medieval Warm Period.


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Isotopic Evidence for Long-Distance Mammal Procurement, Chaco Canyon, New Mexico, USA. Deanna Grimstead, Jay Quade, Mary Stiner. Presented at The 81st Annual Meeting of the Society for American Archaeology, Vancouver, British Columbia. 2017 ( tDAR id: 429925)


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Spatial Coverage

min long: -115.532; min lat: 30.676 ; max long: -102.349; max lat: 42.033 ;

Record Identifiers

Abstract Id(s): 13235

Arizona State University The Andrew W. Mellon Foundation National Science Foundation National Endowment for the Humanities Society for American Archaeology Archaeological Institute of America