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Tree-Ring Dates for Charcoal from Ancient Indian Ruin Bolster Tucson Basin Archaeology
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To find the location, the researchers used an aerial lidar survey, which uses a remote-sensing technique called light detection and ranging to create a digital elevation model of the bare-surface terrain that is hidden by trees in dense forest areas. The area included a foot high artificial plateau more than 4,feet in length with nine expansive causeways. The age was estimated with Bayesian analysis radiocarbon dating.
Contact Information David J. Street streety ltrr. Dean jdean ltrr. University of Arizona tree-ring scientists have used charcoal collected between and to date a Hohokam Indian site called University Indian Ruin. Dating the prehistoric site is a major breakthrough in desert archaeology.