Electron microprobe data
DataSet/Point	BO1-ol-1	BO1-ol-2	BO1-ol-3	BO1-ol-4	BO1-ol-5
SiO2 (wt%)	40.06	39.90	39.96	40.40	40.03
TiO2	0.00	0.00	0.01	0.05	0.00
AI2O3	0.00	0.00	0.00	0.03	0.00
Cr2O3	0.00	0.00	0.01	0.01	0.00
FeO	14.70	14.36	14.77	14.66	14.56
MnO	0.25	0.22	0.20	0.26	0.26
MgO	46.54	46.31	46.68	46.18	47.02
CaO	0.00	0.00	0.00	0.00	0.00
Na2O	0.01	0.00	0.01	0.03	0.02
K2O	0.01	0.00	0.01	0.00	0.01
NiO	0.07	0.09	0.14	0.11	0.20
P2O5	n.d.	n.d.	n.d.	n.d.	n.d.
CI	0.01	0.00	0.00	0.00	0.00
TotaI	101.66	100.89	101.79	101.74	102.10
Mg-number	84.9	85.2	84.9	84.9	85.2
Laser Ablation ICP-MS data
GLITTER!: Trace Element Concentrations MDL filtered.
EIement	BO1-ol-1	BO1-ol-2	BO1-ol-3	BO1-ol-4	BO1-ol-5
Li7 (ppm)	5.04	6.94	5.96	7.31	6.13
Be9	<0.0205	<0.0140	0.02	<0.0232	0.03
B11	5.45	4.74	4.33	5.03	4.88
Al27	3.09	5.04	6.28	4.41	9.89
Si29	197618	201029	186392	200171	203488
P31	65.6	102	88.9	107	75.4
Ca42	<37.83	<36.64	47.3	<41.75	<38.94
Ca43	<24.24	33.5	22.2	<28.24	<28.08
Sc45	5.36	5.42	5.22	5.35	5.38
Ti49	8.33	9.71	16.4	8.15	9.22
V51	0.27	0.32	0.32	0.23	0.36
Cr53	2.07	2.01	1.82	1.06	3.32
Mn55	2069	1984	1963	2047	2143
Fe57	71798	71567	71127	74112	75654
Co59	82.1	83.8	73.7	84.3	92.7
Ni60	897	1071	776	1027	1104
Ni62	892	1049	805	1002	1091
Cu63	<0.088	<0.079	<0.043	0.66	<0.077
Cu65	<0.120	<0.119	0.08	0.62	0.26
Zn66	33.16	33.36	17.41	27.10	37.16
Ga69	<0.0112	0.02	0.03	<0.0127	<0.0132
Ga71	<0.0121	<0.0221	0.02	0.02	<0.022
Ge72	2.50	2.32	2.18	2.13	2.44
Y89	0.01	0.01	0.01	0.01	0.00
Zr90	0.10	0.02	0.06	0.02	0.03
Nb93	0.01	0.00	<0.00269	0.00	0.00
Mo95	<0.0059	0.01	<0.0027	<0.0086	0.01
Hf178	0.00	0.00	<0.00	<0.0077	0.00
Ta181	<0.00274	0.00	<0.00	0.00	0.00