Table 5 14C data for charcoal, wood fragments and chukanovite associated with Twannnberg meteorite finds
Sample | Coordinates | Site description | Lab code | Measurement | F14C | ± F14C | 14C age (y BP) | Calendar age (95% confidence interval) | Type of analyzed material |
|---|---|---|---|---|---|---|---|---|---|
TBP06 | 47° 7.830'N 7° 10.905'E | Les Prés de Macolin | BE-3649.1.1 | C150723SZS | 0.4467 | 0.0024 | 6473 ± 43 | 7464–7294 BP | Charcoal from soil, ~ 30 cm |
TBP15 | 47° 7.341'N 7° 10.631'E | Gruebmatt, Twannberg | BE-3650.1.1 | C150723SZS | 0.5611 | 0.0014 | 4641 ± 20 | 5454–5313 BP | Charcoal from soil, ~ 45 cm |
TBP16 | 47° 7.356'N 7° 10.548'E | Gruebmatt, Twannberg | BE-3651.1.1 | C150723SZS | 0.7762 | 0.0018 | 2036 ± 19 | 2048–1929 BP | Charcoal from soil, ~ 40 cm |
TW84_chuk | 47° 7.359'N 7° 10.630'E | Gruebmatt, Twannberg | BE-3652.1.1 | C150807SZS | 0.5570 | 0.0034 | 4701 ± 49 | 5582–5320 BP | Chukanovite, meteorite TW84 |
TW606 | 47° 7.405'N 7° 7.227'E | Mont Sujet west | BE-6944.1.1 | C170421SZS | 0.7886 | 0.0018 | 1908 ± 19 | 1892–1820 BP | Wood in meteorite oxide crust |
TW677 | 47° 8.081'N 7° 8.286'E | Mont Sujet center | BE-6945.1.1 | C170421SZS | 0.6180 | 0.0016 | 3874 ± 36 | 4417–4161 BP | Wood in meteorite oxide crust |
TW763 | 47° 8.408'N 7° 9.755'E | Mont Sujet east | BE-6946.1.1 | C170421SZS | 0.7079 | 0.0016 | 2775 ± 19 | 2943–2796 BP | Wood in meteorite oxide crust |
TW828 | 47° 7.220'N 7° 7.224'E | Mont Sujet west | BE-6947.1.1 | C170421SZS | 0.9815 | 0.0022 | 150 ± 18 | 281- -5 BP | Wood in meteorite oxide crust |
TW1655 | 47° 8.418'N 7° 8.658'E | Mont Sujet center | BE-17685.1.1 | C220318SZS | 0.7947 | 0.0037 | 1846 ± 39 | 1865–1626 BP | Wood in meteorite oxide crust |
TW1715 | 47° 8.804'N 7° 10.042'E | Mont Sujet northeast | BE-17686.1.1 | C220309GSG | 0.5634 | 0.0056 | 4610 ± 80 | 5575–5045 BP | Wood in meteorite oxide crust |