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Recalibrated Chronological Framework For Texas Archaeology-Geoarchaeology, Ken L. Lawrence
Recalibrated Chronological Framework For Texas Archaeology-Geoarchaeology, Ken L. Lawrence
Index of Texas Archaeology: Open Access Gray Literature from the Lone Star State
Radiocarbon assays from select archaeological-geoarchaeological research projects within Texas river basins were compiled and recalibrated using the same calibration curve (i.e., INTCAL09). Chronometric data from investigations within the Nueces, San Antonio, Colorado, Brazos, and Trinity River basins were uniformly calibrated to construct a consistent chronological framework. Once calibrated, the analogous chronometric data were then used to compare drainage basins, paleoenvironmental data, and cultural chronologies across Texas and the region. These comparisons revealed four periods (Synchronous Events I–IV) in the Holocene that occurred simultaneously within all of the examined drainage basins. Synchronous Event I dating to 8,750–8,250 cal yr BP (~6800–6300 …