3,170 research outputs found
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SOURCE PROVENANCE OF OBSIDIAN ARTIFACTS FROM ARCHAEOLOGICAL SITES IN THE EAST RANKIN VALLEY, BARRY M. GOLDWATER AIR FORCE RANGE, SOUTHWESTERN ARIZONA
No full textThe analysis here of 18 obsidian artifacts from various sites in the east Rankin Valley on the Barry Goldwater Air Force Range (BMGR) yields a source provenance typical of various periods on the range, dominated by one of the two chemical groups of Sauceda Mountains, with Los Vidrios, and Los Sitios del Agua present in the minority (Martynec et al. 2011; Shackley 2005, 2012, 2014; Shackley and Tucker 2001)
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AN ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS OF OBSIDIAN ARTIFACTS FROM AZ AA:12:85 (ASM), CENTRAL, ARZIZONA
No full textThe one piece of obsidian debitage was produced from the Sand Tanks source located in western Maricopa County, Arizona (Shackley 2005, Shackley and Tucker 2001). This source is relatively uncommon in archaeological contexts, but has occurred in central Arizona sites (Shackley and Tucker 2001)
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AN ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS OF OBSIDIAN ARTIFACTS FROM PINTOCANYON RANCH, AND SAN ESTEBAN ROCKSHELTER, SOUTHWESTERN TEXAS
No full textThe mix of sources is similar to the previous study (Shackley 2019a) with none of the sourcesto the west of the Sierra Madre ridgeline in Sonora (see Table 1 and Figure 1; Kibler et al. 2014; Shackley 2005). The TX UnknownA type is also present as well as Mount Taylorobsidian(Grants Ridge) the latter most likely procured from Rio Grande Quaternary alluvium, and two Chihuahuan sources(Lago Fredrico and Lago Barreal) the latter present in the previous study(Church 2000; Shackley 2012).See previous study for a more extensive discussion of sources and regional geology (Shackley 2019b)
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AN ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS OF OBSIDIAN ARTIFACTS FROM PINTO CANYON RANCH, SOUTHWESTERN TEXAS
No full textThe mix of sources is similar to the previous study (Shackley 2019) with the addition of sources to the west of the Sierra Madre ridgeline in Sonora (see Table 1 and Figure 1; Kibler et al. 2014; Shackley 2005). The TX Unknown A type is also present as well as Jemez Mountains obsidian most likely procured from Rio Grande Quaternary alluvium, and the two Chihuahuan source present in the previous study (Church 2000; Shackley 2012). The assignment to Lago Barreal is not confident with some elements outside the range of the source standards and that there are only eight source standards known from that source (Shackley 2005). See previous study for a more extensive discussion of sources and regional geology (Shackley 2019
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SOURCE PROVENANCE OF OBSIDIAN ARTIFACTS FROM PIEDRAS MARCADAS PUEBLO RUIN (LA 290), MIDDLE RIO GRANDE VALLEY, NEW MEXICO
No full textThe analysis here of 195 obsidian artifacts from the surface and subsurface of Piedras Marcadas Pueblo ruin (LA 290) in the middle Rio Grande River valley indicates a source provenance similar to previous analyses of surface and subsurface contexts dominated by sources from the Jemez Mountains, both pre-and-post caldera, (Shackley 2009, 2013a, 2014a, 2014b). All these sources are present in the Rio Grande alluvium as far south as Albuquerque, although the Valles Rhyolite (Cerro del Medio) nodules are very small, probably too small to produce the one projectile point made from this source (Sample 1911; Shackley 2021). Mount Taylor is not available in Rio Grande Quaternary sediments this far north (Shackley 2021). Refer to Shackley (2021) for a thorough discussion of the sources and secondary distribution.Most unique and important for the history of the site, and indeed the Coronado presence in the Middle Rio Grande valley is the occurrence of two polyhedral blade fragments produced from the Zinapecuaro obsidian source near the town of the same name in northeastern Michoacan state of west central Mexico (see discussion below). This blade fragments from a source thousands of kilometers south into Mexico was most likely transported to the site during the siege of Piedras Marcadas by Coronado in 1540 by one or more of the West Mexican Indians traveling with Coronado. This source has never been recovered in the U.S. portion of the Southwest to my knowledge, and blade production after the Paleoindian period in North America was not practiced by native artisans (Bradley et al. 2010; Collins 1999). The only other obsidian Mexican artifacts recovered from Arizona and New Mexico are blades and blade fragments produced from one of the Sierra de Pachuca sources from Hidalgo state, Mexico, and no documented obsidian has been recovered in the Southwest from central Mexican or sources south of central Mexico other than these here and the four blades produced from Pachuca sources (Dolan and Shackley 2021)
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AN ENERGY.DISPERSIVE X.RAY FLUORESCENCE ANALYSIS OFOBSIDIAN ARTIFACTS FROM LA 1 87467 AND LA 190067, LORDSBURGMESA, SOUTHWESTERN NEI'V MEXIGO
No full textAll the artifacts were produced from two of the sources in the Mule Creek Obsidian Complex, Mogollon-Datil volcanic province, western New Mexico (Antelope Creek and Mule Mountains), although obsidian from these sources are also available as secondary deposits in San Francisco and Gila River Quaternary alluvium in eastern Arizona (Shackley 1992. 1998; Shackley et al. 2018; Table 1, Figure 1, and cover image herein). The cortex on sample #12 fnmLA 187467 appears to be typical of the secondary deposit obsidian in Gila River alluvium (Shackley 1992,1998)
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AN ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS OF OBSIDIAN ARTIFACTS FROM FOUR ARCHAEOLOGICAL SITES IN SOUTHEASTER NNEW MEXICO
No full textThe source provenance of the artifacts is dominated by Jemez Mountains sources(Table 1and Figure1; see Shackley 2016). Cerro Toledo Rhyolite obsidianis available as secondary deposits in Rio Grande Quaternary alluviumat least to Las Cruces, but Valles Rhyolite (Cerro del Medio) has not been found south of Albuquerque, and only as a few small diameter samples(Church 2000; Shackley 2005, 2013, 2020)
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AN ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS OF OBSIDIAN ARTIFACTS FROM SITES CA-INY-5728, INY-9839, AND X3JA03, NAVAL WEAPONS STATION CHINA LAKE, INYO COUNTY, CALIFORNIA
No full textAs before, I have taken the liberty of sending a letter report in the interest of time. All the artifacts were produced from the West Sugarloaf dome in the Coso Volcanic Field (Table 1, Figure 1; see Shackley 2016). I refer you to the previous report for more detailed discussion of sources and source assignment (Shackley 2016)
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SOURCE PROVENANCE OF ARCHAEOLOGICAL OBSIDIAN FROM MESA GRANDE (AZ U:9:25 ASM), MESA,ARIZONA
No full textThe analysis here of 23 obsidian artifacts from Mesa Grande (AZ U:9:25 ASM), central Arizona displays a typical Classic Period Hohokam obsidian artifact assemblage (Table 1 and Figure 1; Mills et al. 2013; Shackley 2005). The assemblage is completely dominated by SonoranDesert sources including Sauceda Mountains and Tank Mountains in western Arizona, and Los Vidrios in northern Sonora (Shackley 1988, 1989, 1991, 1995, 2005)
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SOURCE PROVENANCE OF OBSIDIAN ARTIFACTS FROM FROM THE STEWARD SITE (41PT519), NORTH TEXAS
No full textThe analysis here of five obsidian artifacts from 41PT501 in north Texas indicates that all the artifacts were produced from the Cerro Toledo Rhyolite obsidian source in the Jemez Mountains of northern New Mexico (Table 1 and Figure 1). Cerro Toledo Rhyolite obsidian along with Valles Rhyolite (Cerro del Medio) obsidian was the most commonly procured from the Jemez Mountains sources (Shackley 2005; Shackley et al. 2016)
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