Progress in Earth and Planetary Science

Table 3 Compositions of minerals at the solidus

From: Major element composition of an Early Enriched Reservoir: constraints from ¹⁴²Nd/¹⁴⁴Nd isotope systematics in the early Earth and high-pressure melting experiments of a primitive peridotite

wt%	ol (n = 15)	s.d.^a	cpx (n = 15)	s.d.	grt (n = 15)	s.d.
SiO₂	41.6	0.3	56.9	0.3	44.6	0.5
TiO₂	0.0	0.0	0.0	0.0	0.2	0.0
Al₂O₃	0.2	0.0	2.5	0.1	20.8	0.7
Cr₂O₃	0.1	0.1	0.3	0.1	1.8	0.8
FeO	10.2	0.4	5.2	0.2	6.6	0.3
MnO	0.1	0.0	0.1	0.0	0.2	0.0
MgO	48.9	0.4	25.2	0.9	22.6	0.4
CaO	0.3	0.1	9.4	1.0	4.8	0.4
Na₂O	0.1	0.0	0.9	0.0	0.1	0.0
K₂O	0.0	0.0	0.1	0.0	0.0	0.0
P₂O₅	0.0	0.0	0.0	0.0	0.1	0.0
Total	101.6	0.6	100.6	0.4	101.6	0.5
Mg#	89.5		89.6		86.0

^aStandard deviation (s.d.) is 1σ

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