Luminescence dating of sand deposits related to late Pleistocene human occupation at the Cactus Hill Site, Virginia, USA
Optically stimulated luminescence (OSL) ages, obtained primarily using single grains, are reported for 13 sediment samples from the Cactus Hill site, a culturally stratified sand dune in Virginia. The site has drawn interest because of a blade level, potentially representing an early occupation of humans in North America, a few centimeters below a Clovis artifact layer. Pre-Clovis occupation in North America is disputed. Most of the ages are drawn from quartz grains, but the quartz at this site...[Show more]
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