C14 Radiocarbon Dating - Index - Birsay, Brough Road
| Lab Analysis ID | Material Dated | Uncalibrated date bp | Uncalibrated date bc/ad | Calibrated date |
|---|---|---|---|---|
| GU-1979 | bone, animal (n.i.) |
1215 bp +/-80 | ad 735 +/-80 | cal AD 660 to 980 |
| GU-1553 | bone, human (homo sapiens) |
1240 bp +/-85 | ad 710 +/-85 | cal AD 650 to 980 |
| GU-1554 | bone, human (homo sapiens) |
1705 bp +/-80 | ad 245 +/-80 | cal AD 130 to 540 |
| GU-1557 | bone, animal (red deer) |
3895 bp +/-60 | 1945 bc +/-60 | 2560 to 2200 cal BC |
| GU-1640 | antler (red deer) |
3570 bp +/-75 | 1620 bc +/-75 | 2140 to 1690 cal BC |
| GU-1956 | bone, animal (n.i.) |
1250 bp +/-55 | ad 700 +/-55 | cal AD 660 to 900 |
| GU-1957 | bone, animal (n.i.) |
1105 bp +/-55 | ad 845 +/-55 | cal AD 780 to 1030 |
