Table 1 AMS Absolute dates of four samples from level C4 at Cova del Frare.

From: The earliest Baltic amber in Western Europe

ID

Laboratory code

Sample

Radiocarbon age (BP)

Calibrate date 2σ

cal BC

Sector

CF-Y34-C4-388

Beta-579371

Animal bone

4690 ± 30

(63.5%) 3475–3371

(22.2%) 3527–3485

(9.8%) 3627–3595

4

CF-Y34-C4-373

Beta-530817

Human proximal phalanx

4680 ± 30

(90.9%) 3523–3370

(4.5%) 3623–3606

4

CF-X30-C4-134

CNA 4843.1.1

Human fibula

4650 ± 30

3518–3393 cal BC (95%)

3

CF-S19-C4R-56

SUERC-97043 (GU57066)

Human left tibia

4766 ± 22

3634–3521 cal BC (95.4%)

1

  1. Radiocarbon dates were calibrated using the internationally agreed atmospheric curve47, and the OxCal v4.4.4 program48. All dates mentioned in the text are calibrated to 2σ (95% confidence).
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