Chemical-technological research and radiocarbon AMS dating of wall painting fragments from the ruins of the XIIth-XIIIth centuries AD church from archaeological excavations in the city of Smolensk, Russia

Heritage Science

Table 1 AMS-radiocarbon dating of fragments of frescoes

Sample	Material	Laboratory number	δ13 C, %	Age¹⁴C
Sample	Material	Laboratory number	δ13 C, %	BP	BC/AD
(No 6/2) Wall painting fragment with blue pigment	Carbonates	UGAMS-16215	− 11, 9	880 ± 20	68.2% probability 1155AD (68.2%) 1212AD 95.4% probability 1048AD (17.9%) 1085AD 1123AD (4.5%) 1138AD 1151AD (73.0%) 1218AD
(No 4/8) Wall painting fragment with red pigment	Carbonates	UGAMS-16216	− 14, 9	880 ± 20	68.2% probability 1155AD (68.2%) 1212AD 95.4% probability 1048AD (17.9%) 1085AD 1123AD (4.5%) 1138AD 1151AD (73.0%) 1218AD
(No 1/10) Wall painting fragment with blue and red pigments	Carbonates	UGAMS-16217	− 13, 02	890 ± 20	68.2% probability 1053AD (24.7%) 1080AD 1153AD (37.7%) 1188AD 1199AD (5.8%) 1207AD 95.4% probability 1045AD (31.8%) 1095AD 1119AD (63.6%) 1215AD
(No 12/1) Wall painting fragment with blue and red pigments	Carbonates	UGAMS-12563	− 11, 8	740 ± 20	68.2% probability 1265AD (68.2%) 1280AD 95.4% probability 1240AD (1.2%) 1245AD 1251AD (94.2%) 1289AD