C14 Radiocarbon Dating - Sample - SUERC-9170

Sample 025 Context 466 Block 4 [466] was a shell rich midden in a black greasy matrix. It sealed a compact layer of intact and crushed oysters in a browny-black matrix [436] and was sealed by a thin deposit of black greasy loam [413] that contained oysters and mussels. The bone was found in a crushed state within the midden deposit. It is likely that little time pased betweendeath and the bone's incorporation into the midden

Canmore ID 274115

Map Number HU31SE

Site type Midden (Period Unassigned)

Site number 102

NGR 439200 1111000

Council 360

County 29

Parish DUNROSSNESS

Lab Analysis ID SUERC-9170

Lab Preparation Code GU-13836

Material Dated Bone (Large ungulate rib)

Researcher Dr. N. D. Melton

Uncalibrated date bp +/- error 4850 bp +/-35

Uncalibrated date ad/bc +/- error 2900 bc +/-35

Delta -21.9

Delta15N relative to air  4.7

C/N ratio (Molar)  3.3

Lab Certificate