C14 Radiocarbon Dating - Sample - GU-1186

Human bone from a stone infill IS76SF80 of chambered tomb with stalls, side chambers and Unstan Ware. 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-1186

Material Dated bone, human (homo sapiens)

Sponsor HS

Uncalibrated date bp +/- error 4045 bp +/-100

Uncalibrated date ad/bc +/- error 2095 bc +/-100

Delta -19.8

Calibration program used No

Calibration curve used No