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Progress in Earth and Planetary Science

Table 6 Compositions of near-solidus melts at 1, 3, and 7 GPa

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%

7 GPaa

3 GPab

1 GPac

SiO2

44.3

44.8

51.5

TiO2

1.9

2.5

1.5

Al2O3

4.3

12.7

19.1

Cr2O3

0.2

0.1

0.1

FeO

14.4

9.7

5.4

MnO

0.2

0.1

0.1

MgO

24.2

15.8

8.3

CaO

8.8

10.8

9.4

Na2O

1.3

2.5

4.4

K2O

0.2

1.0

–

P2O5

0.3

–

–

Total

100.1

100.0

99.6

Melt fraction

~0 %

~0 %

2.6 %

  1. aThis study
  2. bDavis et al. (2011)
  3. cFalloon et al. (2008)
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