Layer

number

Layer density, kg/m³

Melting point (in K) at 0.1 MPa,

Layer composition

1

2

4

6

9

11

13

15

16

<2500

2500 - 2600

2620 - 2660

2660 - 2690

2690 - 2720

2720 - 2760

2760 - 2900

3160 - 3280+

3222

1823 - 1986

T_m > 1391 - 1423

1400 < T_m < 1555

1460 < T_m < 1645

1555 < T_m < 1763

1645 < T_m < 1830

1830

2023 - 2073+

2163

SiO₂-rich layer

SiO₂ + K-Fsp + Ab-rich ± Olg

Olg + Qtz ± And-rich

And ± Lab-rich

Lab ± Byt-rich

Byt ± An-rich

An-rich (Anorthite layer)

Dun ± Chr

Fo-rich (forsterite layer)