. 2023 Oct 27;13(44):31292–31302. doi: 10.1039/d3ra06367d

Isotope results for the pilot study^a.

	ME 02	ME 03	ME 04	Ful 01	Ful 09	Ful 14	Ful 19	WA 10
Iron
δ⁵⁶Fe (‰)	−0.083	−0.050	−0.059	0.110	−0.183	0.004	0.048	−0.037
2SE	0.052	0.062	0.048	0.137	0.085	0.049	0.033	0.062
δ⁵⁷Fe (‰)	−0.139	−0.078	−0.076	0.125	−0.269	0.004	0.040	−0.052
2SE	0.162	0.117	0.104	0.179	0.195	0.108	0.077	0.116

Strontium
Total Sr (μg g⁻¹)	5.48	1.72	0.4	0.61	1.87	0.85	0.30	0.40
⁸⁷Sr/⁸⁶Sr	0.71005	0.71414	0.70911	0.71178	0.71534	0.71311	0.71407	0.70966
2SE	0.00002	0.00002	0.00001	0.00002	0.00003	0.00003	0.00002	0.00007

Lead
²⁰⁶Pb/²⁰⁴Pb	18.1804	18.3478	18.3858	18.2732	18.4563	18.3146	18.5429	18.4030
2SD	0.0007	0.0007	0.0009	0.0016	0.0011	0.0009	0.0011	0.0009
²⁰⁷Pb/²⁰⁴Pb	15.6247	15.6400	15.6401	15.6248	15.6354	15.6250	15.6294	15.6495
2SD	0.0016	0.0008	0.0008	0.0016	0.0011	0.0009	0.0011	0.0008
²⁰⁸Pb/²⁰⁴Pb	38.1918	38.4099	38.4276	38.2565	38.4692	38.3401	38.5723	38.4616
2SD	0.0008	0.0008	0.0008	0.0008	0.0008	0.0008	0.0008	0.0008
²⁰⁷Pb/²⁰⁶Pb	0.85942	0.85241	0.85066	0.85507	0.84716	0.85314	0.84286	0.85038
2SD	0.00006	0.00006	0.00006	0.00009	0.00007	0.00006	0.00008	0.00006
²⁰⁸Pb/²⁰⁶Pb	2.10078	2.09348	2.09011	2.09365	2.08441	2.09350	2.08017	2.09001
2SD	0.00006	0.00006	0.00006	0.00008	0.00006	0.00006	0.00006	0.00006
T (Ma)	417	322	294	349	241	318	166	298
μ = ²³⁸U/²⁰⁴Pb	9.764	9.784	9.773	9.741	9.757	9.732	9.718	9.807

SE: standard error; SD: standard deviation. T is the ‘Model Age’ parameter (in millions of years).³⁵

Isotope results for the pilot studya.