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Table 1
AMS radiocarbon dates, depth and dated material of Autrecourt-et-Pourron section 3–6 as indicated in Figure 2. The shaded line was not considered in in the age model.
| Autrecourt sample | Depth cm | Laboratory N° | Dated material | δ13C (‰) | Age 14C yr B.P. without d13C correction | Conventional Age 14C yr B.P. with d13C correction | Calibrated age (cal yr B.P. 2σ) INTCAL13 (95.4%) | Calibrated age (cal yr B.P. 2σ) INTCAL13 (68.2%) | Calibrated age (cal yr B.C. 2σ) INTCAL 13 (95.4%) |
|---|---|---|---|---|---|---|---|---|---|
| 2018-PR388-US333 | 210 | Poz-106329 | Waterlogged Eupatorium cannabinum seeds (174 fgt) | 9090 ± 50 | 10 396–10 182 | 10 271–10 200 | 8447–8233 | ||
| 2012-PR148-US333a | 215 | Beta-326918 | Waterlogged root | −29.3 | 4750 ± 40 | 4680 ± 40 | 5577–5315 | 5467–5323 | 3628–3366 |
| 2018-PR115-10-US332 | 240 | Poz-10386 | Waterlogged Hippuris vulgaris (4) + Carex (1) seeds | 10 160 ± 50 | 12 053–11 511 | 11 974–11 750 | 10 104–9562 | ||
| 2018-PR379-US331 | 255 | Poz-106360 | Waterlogged Thalictrum flavum seeds (20) | 9890 ± 50 | 11 597–11 202 | 11 336–11 230 | 9648–9253 | ||
| 2018-PR371-US330a | 270 | Poz-106318 | Waterlogged Thalictrum flavum seeds (20) | 9900 ± 50 | 11 600–11 208 | 11 385–11 236 | 9651–9259 | ||
| 2018-PR367-US329 | 290 | Poz-106317 | Waterlogged Carex rostrata seeds (30) | 9900 ± 50 | 11 600–11 208 | 11 385–11 236 | 9651–9259 | ||
| 2018-PR364-US328 | 305 | Poz-106387 | Waterlogged Carex seeds (20) | 9990 ± 50 | 11 705–11 263 | 11 603–11 322 | 9756–9314 | ||
| 2012-PR147-US327 | 330 | Beta-326917 | Charred wooden twigs | −28.2 | 10 030 ± 40 | 9980 ± 40 | 11 620–11 264 | 11 620–11 398 | 9671–9315 |
| 2017-PR354-US326 | 355 | Beta-469433 | Waterlogged Linum alpinum seeds (3) | −26.0 | 9810 ± 50 | 9790 ± 50 | 11 287–11 126 | 11 242–11 191 | 9338–9177 |
| 2012-PR406-US326a | 360 | Beta-460229 | Waterlogged wooden twigs | −27.6 | 10 140 ± 30 | 11 998–11 626 | 11 941–11 715 | 10 049–9 977 | |
| 2012-PR353-US303 | 400 | Beta-460231 | Waterlogged wooden twigs | −27.9 | 10 310 ± 30 | 12 377–11 962 | 12 156–12 011 | 10 428–10 013 |
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