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SOURCE PROVENANCE OF OBSIDIAN ARTIFACTS FROM THREE EXCAVATED SITES FROM THE UNIVERSITY OF TEXAS, SAN ANTONIO 2016 FIELD SCHOOL PROJECT IN EASTERN ARIZONA

  • Author(s): Shackley, M. Steven
  • et al.
Creative Commons 'BY-SA' version 4.0 license
Abstract

The analysis here of 109 artifacts from three excavated sites from the University of Texas, San Antonio field school, indicates procurement of four of the regional obsidian sources from the Mogollon-Datil Volcanic Province in western New Mexico and eastern Arizona, a similar distribution to the surface collections from these and other sites in the project area (see Shackley 2015; Shackley et al. 2016a). The assemblage overall is dominated by obsidian from the Antelope Creek West locality at Mule Creek, New Mexico, followed by the North Sawmill Creek group, and two artifacts produced from the Mule Mountains source at Mule Creek. All of the four sources are present in San Francisco and Gila River Quaternary alluvium, but there are reasons to infer that at least some of the artifacts were produced from obsidian procured from the primary sources to the north and east (see discussion).

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