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Table 3 Radiocarbon ages and calibrated calendar ages for wood samples taken from two qeros

From: The occurrence of a titanium dioxide/silica white pigment on wooden Andean qeros: a cultural and chronological marker

Qero Lab sample ID δ13C Radiocarbon age (± 1σ) 2σ calendar ages and relative areas
MMA 1994.35.12 AA90151 − 22.9 643 ± 34 years BP 1281–1330 AD [0.44]; 1338–1397 AD [0.56]
MMA 1994.35.14 AA90150 − 23.1 492 ± 34 years BP 1330–1338 AD [0.01]; 1397–1453 AD [0.99]