Table 2.

Results of radiocarbon dating and ⁸⁷Sr/⁸⁶Sr, δ¹⁸O_carbonate and δ¹³C_carbonate analysis of individuals from Penywyrlod (Talgarth)

Museum accessionnumber	Location/context	Age category/age at death	Tooth	Laboratory number (SUERC)	δ13C ‰ VPDB collagen	Radiocarbon age (BP)	Calibrated date range (cal BC, 95% confidence)	Sr ppm (mg/kg)	87Sr/86Sr	δ13Ccarbonate ‰ VPDB enamel	δ18Ocarbonate ‰ VPDB	δ18Ocarbonate ‰ VSMOW	δ18Ophosphate ‰ VSMOW
74.23H/9.18/P20	Cist in forecourt	Child (4 years)	LDM2					53	0.71583	−16.0	−2.7	28.2	19.4
74.23H/9.23/P21	NE chamber II	Adult	LM2					58	0.71459	−15.1	−3.6	27.2	18.4
			LM3					41	0.71480	−15.0	−3.7	27.1	18.2
74.23H/9.23/P22	NE chamber II	Adult	LM2					64	0.71501	−15.9	−4.4	26.4	17.5
			LM3					43	0.71390	−16.4	−4.3	26.5	17.7
74.23H/9.5.11/P23	NE chamber II, half way along chamber on south side	Sub‐adult (> 12 years)	LM2					52	0.71406	−15.8	−4.8	26.0	17.1
74.23H/9.2.3/P23	NE chamber II, north‐east end of north‐west side	Adult	LM2	SUERC‐63414 (GU38967)	−20.6	4888 ± 37	3770–3630	78	0.71702	−15.3	−4.3	26.5	17.7
			LM3					62	0.71653	−15.8	−4.9	25.9	17.0
74.23H/9.5.1/P24	NE chamber II	Adult	LM2					89	0.71473	−16.0	−4.0	26.8	17.9
			LM3					42	0.71335	−16.5	−4.2	26.6	17.8
74.23H/9.7/P25	NE chamber III	Child (2 years)	LDM2					97	0.71323	−18.0	−3.3	27.5	18.7
74.23H/9.7/P26	NE chamber III	Sub‐adult (> 12 years)	LM2					41	0.71441	−15.2	−4.1	26.7	17.9
74.23H/9.7/P27	NE chamber III	Sub‐adult (> 12 years)	LM3					86	0.71508	−17.1	−3.6	27.2	18.4
74.23H/9.5.19/P27	NE chamber II	Adult	RM3					34	0.71417	−16.1	−4.6	26.2	17.4
74.23H/9.16/P27	NE chamber II, west end of chamber, south side of paving slab	Adult	RM3					65	0.71472	−16.2	−4.8	26.0	17.1

All teeth sampled derive from mandibular dentition: L = left; R= right; DM2 = deciduous second molar; M2 = permanent second molar; M3 = permanent third molar. Location and context of specimens is as stated on documentation associated with the collection held by the National Museum Wales.