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Two major criteria for judging the validity of claims for early settlement of the Americas are solid dating by radiometric methods and evidence of stratigraphic integrity. Luminescence dating can provide information on both, not only producing a date but evaluating stratigraphic integrity by means of single-grain dating. Because of these qualities, luminescence has been applied to a large number of early sites. This paper reviews these applications, both for sites in which stratigraphic integrity has been shown and for sites where it has not. Two recent applications, at Parson’s Island in Maryland and at Bastos in Brazil, suggest settlement may have been as early as the Last Glacial Maximum.

The Contributions of Luminescence Dating of Sediments to Understanding the First Settlement of the Americas