Table 2 Whole-rock starting compositions given in oxides based on terrestrial peridotite75, venusian basalt14,15, and terrestrial alkali basalt76

From: Metamorphism of Venus as driver of crustal thickness and recycling

Oxide (wt %)

Peridotite

Basalt

Alkali basalt

SiO2

44.84

48.7

47.9

TiO2

0.11

1.3

2.8

Al2O3

3.51

17.9

18.00

Fe2O3

0.3

0.98

1.07

FeO

7.93

7.92

8.64

MgO

39.52

8.1

3.3

CaO

3.07

10.3

7.7

Na2O

0.3

2.4

6.0

K2O

0.02

0.2

2.7