C14 Radiocarbon Dating - Sample - GU-1190

Animal bone from back-fill IS76SF83 behind hornwork of chambered tomb with stalls, side chambers and Unstan Ware. See also Q3018 (4285+/- 45 BP). Fungal DNA in some bones from Isbister suggests that there may be contamination with carbon of a later date than the death of the person.

Canmore ID 9554

Map Number ND48SE

Site type Animal Burial(S) (Neolithic), Chambered Cairn (Neolithic), Cist (Bronze Age), Inhumation(S) (Neolithic), Necklace (Shell)(Neolithic), Necklace (Bone)(Neolithic), Pin(S) (Bone)(Neolithic), Unidentified Pottery (Neolithic)

Site number 1

NGR 347040 984490

Council 330

County 22

Parish SOUTH RONALDSAY

Lab Analysis ID GU-1190

Material Dated bone, animal (n.i.)

Sponsor HS

Uncalibrated date bp +/- error 4260 bp +/-55

Uncalibrated date ad/bc +/- error 2310 bc +/-55

Delta -20.7

Calibration program used No

Calibration curve used No