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AN ENERGY-DISPERSIVE X-RAY FLUORESCENCE ANALYSIS OF AN OBSIDIAN CORE FRAGMENT FROM LA44517 SOUTHERN NEW MEXICO

Abstract

The source provenance of the "lonely" bipolar core fragment is Cerro Toledo Rhyolite, and between the waterwom coftex and typical procurement in that par1 of New Mexico was likely procured lrom Rio Grande Quaternary alluvium where Cerro Toledo Rhyolite obsidian is the most commonlyrecovered secondarily deposited obsidian in the Rio Grande gravels at least as far as Las Cruces (Church 2000; Shackley 2005, 2020

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