rocks	host basalt						wehrlite
sample nb.	132	132	132	132	132	132	132-1	132-1	132-1	132-1	132-1	132-1	132-1	132-1
description	ph,r	ph,c	ph,c	ph,c	ph,c	ph,r
SiO₂ (wt%)	37.02	37.09	37.07	37.15	36.62	37.98	38.27	37.43	38.39	38.99	38.86	37.31	36.36	36.74
Al₂O₃	0.10	0.06	0.00	0.00	0.11	0.04	0.01	0.02	0.00	0.07	0.09	0.05	0.00	0.00
FeO	27.25	24.15	24.50	23.99	24.69	25.29	18.58	19.22	19.46	15.09	15.71	15.95	22.86	23.62
MnO	0.92	0.58	0.60	0.60	0.40	0.57	0.37	0.20	0.42	0.05	0.17	0.21	0.53	0.51
MgO	32.93	36.18	36.33	36.51	36.52	35.87	41.84	41.33	41.78	44.54	44.73	44.81	37.83	37.30
CaO	0.30	0.41	0.39	0.38	0.36	0.43	0.30	0.29	0.32	0.15	0.17	0.15	0.36	0.39
NiO	0.09	0.16	0.12	0.09	0.04	0.11	0.04	0.05	0.15	0.17	0.11	0.19	0.00	0.08
Total	98.73	98.64	99.00	98.73	98.74	100.28	99.41	98.55	100.50	99.05	99.83	98.67	97.93	98.64
Si (apfu)	1.008	0.990	0.987	0.990	0.976	1.002	0.982	0.971	0.978	0.988	0.978	0.949	0.968	0.975
Al	0.003	0.002	0.000	0.000	0.003	0.001	0.000	0.001	0.000	0.002	0.003	0.001	0.000	0.000
Fe²⁺	0.620	0.522	0.518	0.513	0.505	0.558	0.364	0.359	0.371	0.297	0.289	0.237	0.444	0.475
Mn	0.021	0.013	0.013	0.014	0.009	0.013	0.008	0.004	0.009	0.001	0.004	0.004	0.012	0.011
Mg	1.337	1.440	1.441	1.450	1.451	1.411	1.601	1.598	1.587	1.682	1.678	1.699	1.501	1.476
Ca	0.009	0.012	0.011	0.011	0.010	0.012	0.008	0.008	0.009	0.004	0.005	0.004	0.010	0.011
Ni	0.002	0.003	0.002	0.002	0.001	0.002	0.001	0.001	0.003	0.003	0.002	0.004	0.000	0.002
Fo (%)	68	73	74	74	74	72	81	82	81	85	85	88	77	76
Fa	32	27	26	26	26	28	19	18	19	15	15	12	23	24
mg#	68.30	73.41	73.56	73.84	74.17	71.66	81.49	81.65	81.07	84.99	85.29	87.74	77.16	75.65