Radiocarbon dates

Showing 350190 radiocarbon dates.

Site Lab ID Context Material Taxon Method Uncalibrated age Calibrated age References
Dates from unknown sites Beta-77991 WOOD Weir stake NA 70±60 BP 276–8 cal BP Oregon database Bird et al. 2022
Millington Site Beta-221015 CHARCOAL NA NA 70±40 BP 267–21 cal BP UWyo2021 Bird et al. 2022
Mustang Springs Beta-178758 BONE Bison AMS 70±50 BP 270–10 cal BP Byerly and Meltzer 2005 Bird et al. 2022
Komkanetkwa Beta-124304 charcoal; charbon de bois NA NA 70±70 BP 279–6 cal BP Peacock 1998 Bird et al. 2022
Dates from unknown sites Beta-273111 CHARCOAL Quercus alba NA 70±40 BP 267–21 cal BP Trader 2013-Site 12Da1007: Interpreting 9000 years of occupation… Bird et al. 2022
Medicine Lodge Creek AA-6540 OTHER Organic matter in rock art varnish AMS 70±60 BP 276–8 cal BP Francis et al. 1993-AMS Radiocarbon Dand Catio-Ratio Dating…. Bird et al. 2022
Sil Ver Lake Beta-88094 CHARCOAL NA AMS 70±40 BP 267–21 cal BP Hawley Museum Archaeology program dates database Bird et al. 2022
Billown Quarry OxA-10128 grain Triticum turgidum dicoccum NA 70±45 BP 268–13 cal BP Kneisel, Hinz, and Rinne 2014
Dates from unknown sites Beta-273110 CHARCOAL Sycamore NA 70±40 BP 267–21 cal BP Trader 2013-Site 12Da1007: Interpreting 9000 years of occupation… Bird et al. 2022
Dates from unknown sites UGaMS-33881 CHARCOAL NA AMS 70±20 BP 255–34 cal BP Harvey David 2019 personal communication Bird et al. 2022
MRB-61 Beta-120896 CHARCOAL NA NA 70±60 BP 276–8 cal BP UWyo2021 Bird et al. 2022
Salton Sea Test Base Beta-103145 CHARCOAL NA NA 70±70 BP 279–6 cal BP Cleland 1999 From Paleoindian to Protohistoric… Bird et al. 2022
Bancroft Springs Beta-225734 CHARCOAL NA NA 70±40 BP 267–21 cal BP Idaho State University 2007; Lohse 2013:15 Bird et al. 2022
Virginia Lake Stake Alignment D-AMS-32093 WOOD Stake AMS 72±27 BP 257–32 cal BP North 2020-Ecosystem Engineering in the Backwater Wetlands of the Lower Columbia Bird et al. 2022
Rathmorrissy UBA-16990 NA NA 72±29 BP 257–32 cal BP Bolger, Jones, et al. 2015, 108 Chapple 2019
Ash Springs PRI-14-123-HP2.B SEEDS Poaceae AMS 72±22 BP 255–34 cal BP Kovacik and Cummings 2014- PRI report 2014-123 Bird et al. 2022
Tyi-Jo Erl-13869 Seed NA NA 73±51 BP 273–9 cal BP Ozainne S. Mayor A. Huysecom E. (in press). Chronology of human occupation during the Holocene in West Africa: The Dogon Country radiocarbon record. In A. Mercuri C. D’Andrea R. Fornaciari A. Höhn (Eds.) Plants and People in the African Past: Progress in African Archaeobotany. Springer 1-18. Bird et al. 2022
Tom's Point D-AMS-20840 BONE NA AMS 73±32 BP 259–30 cal BP Apodaca 2018 Exploring Clam Bed Tending at CA-MRN-202… Bird et al. 2022
Stedten MAMS-111822 Grab, Fleischbeigabe, Bef. 35400 collagen, bone Animalia NA 75±18 BP 255–34 cal BP Becker et al. 2015, 727-745 (Anhang) Kneisel, Hinz, and Rinne 2014
Ringen T-13102 Wood NA NA 75±25 BP 257–32 cal BP Solheim_Norway Bird et al. 2022