C14 Radiocarbon Dating - Sample - GU-1183

Human bone from a deposit IS76SF77 under shelf in stall 5 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-1183

Material Dated bone, human (homo sapiens)

Sponsor HS

Uncalibrated date bp +/- error 3920 bp +/-80

Uncalibrated date ad/bc +/- error 1970 bc +/-80

Delta -19.4

Calibration program used No

Calibration curve used No