Table 1 Results of AMS 14C analysis for the seven samples extracted from the charred wood (CW) embedded in the Campanian Ignimbrite Yellow Tuff (Fig. 1) performed after both ABA and ABOx–SC pre-treatment procedures.
Sample | Pre-treatment | 14C age 1 (yrs BP 2 ) | ±1σ (yrs) | δ13C (‰) 3 | ±1σ (‰) |
|---|---|---|---|---|---|
CW1 | ABA | 34564 | 339 | −25.7 | 1.1 |
ABOx | 34232 | 306 | −22.0 | 1.1 | |
CW2 | ABA | 34168 | 329 | −26.1 | 1.1 |
ABOx | 34352 | 313 | −23.7 | 1.1 | |
CW3 | ABA | 34232 | 329 | −23.7 | 1.1 |
ABOx | 34362 | 308 | −20.4 | 1.1 | |
CW4 | ABA | 34283 | 330 | −24.2 | 1.1 |
ABOx | 34188 | 307 | −24.3 | 1.1 | |
CW5 | ABA | 32825 | 279 | −25.2 | 1.1 |
ABOx | 34244 | 306 | −22.6 | 1.1 | |
CW6 | ABA | 33751 | 315 | −26.0 | 1.1 |
ABOx | 34343 | 312 | −23.9 | 1.1 | |
CW7 | ABA | 34386 | 337 | −25.6 | 1.1 |
ABOx | 34183 | 305 | −21.7 | 1.1 | |
Weighted mean 4 | 34290 | 90 |
