Radiocarbon dates

Showing 350190 radiocarbon dates.

Site Lab ID Context Material Taxon Method Uncalibrated age Calibrated age References
KaGwebu 2631CB21a Pta-8079 charcoal NA conventional 14C 80±40 BP 268–13 cal BP ohinata2001auf
KaGwebu 2631CB20 Pta-8085 charcoal NA conventional 14C 80±50 BP 273–9 cal BP ohinata2001auf
Dates from unknown sites Beta-154731 CHARCOAL NA NA 80±50 BP 273–9 cal BP Basgall et al. 2002 Bird et al. 2022
Dates from unknown sites Beta-132713 CHARCOAL NA NA 80±50 BP 273–9 cal BP Blair et al. 2000 Bird et al. 2022
Dates from unknown sites Beta-458024 OTHER pine needles AMS 80±30 BP 259–30 cal BP M. Zweifel pers comm 2017 Bird et al. 2022
Bernard Beta-88720 charcoal; charbon de bois NA NA 80±60 BP 277–7 cal BP Blair 1997; CMC files Bird et al. 2022
Horatio-Nellis AA-6426 SEEDS Zea mays AMS 80±55 BP 276–8 cal BP Snow 1995 Bird et al. 2022
South Warner Cave AA-6482 TEXTILE willow coiled basket AMS 80±55 BP 276–8 cal BP Eiselt1997 Bird et al. 2022
Mask Beta-508350 WOOD NA AMS 80±30 BP 259–30 cal BP Miller et al 2019 Landscapes of Stone and Paint Bird et al. 2022
Kgopolwe (Phalaborwa) Pta-339 NA conventional 14C 80±45 BP 270–10 cal BP evers1987cpn
Jinmium Rockshelter OZA-303 C1/II/21 Charcoal NA Radiocarbon 80±50 BP 273–9 cal BP Roberts, et al., 1998 Williams et al. 2014
Dates from unknown sites Beta-132864 CHARCOAL NA NA 80±50 BP 273–9 cal BP Birnie 2001 Elko BLM report 1-2159 Bird et al. 2022
Olson UGa-11670 CHARCOAL NA RADIOMETRIC 80±25 BP 257–32 cal BP LaBelle and Pelton 2013 Bird et al. 2022
Lake Duluti Ua-37667 bulk sediment NA NA 80±35 BP 265–22 cal BP Öberg Helena Elin Norström Maria Malmström Ryner Karin Holmgren Lars-Ove Westerberg Jan Risberg Sigrún Dögg Eddudóttir Thorbjørn J. Andersen and Alfred Muzuka. Environmental variability in northern Tanzania from AD 1000 to 1800 as inferred from diatoms and pollen in Lake Duluti. Palaeogeography Palaeoclimatology Palaeoecology 374 (2013): 230-241. Bird et al. 2022
SAN-19 Beta-120906 CHARCOAL NA NA 80±50 BP 273–9 cal BP UWyo2021 Bird et al. 2022
Dates from unknown sites Beta-102479 CHARCOAL NA NA 80±50 BP 273–9 cal BP McGuire Gilreath 1998 Bird et al. 2022
Blinkklipkop Pta-2841 Layer 3b plant remains NA conventional 14C 80±35 BP 265–22 cal BP humphreys1983ggl
Darci Grazziotin (RS-AN-03) Beta-166586 Pit house village with 4 structures, including a very large pit with 18 m diameter. Excavations at the large structure uncovered a semi-circle of hearths around central post holes. A smaller structured contained a large central fire pit with a surrounding bench and domestic debris. Wood NA NA 80±50 BP 273–9 cal BP Copé 2006
Jinmium Rockshelter OZA-303 Charcoal NA NA 80±50 BP 273–9 cal BP Roberts et al. 1998 Bird et al. 2022
Pah Rah Uplands Beta-214090 CHARCOAL NA NA 80±40 BP 268–13 cal BP McGuire Kelly R. et al. 2008: Archaeological Investigations along the Tracy/Silver Lake 120kV Transmission Line: evaluation and Data Recovery. FWARG. Bird et al. 2022