Table 3 Major composition of run products (in wt.%).

From: Partitioning of REE between calcite and carbonatitic melt containing P, S, Si at 650–900 °C and 100 MPa

Run #

Mixture

Phase

Na2O

CaO

SiO2

P2O5

SO3

F

Cl

(Cl + F2) = –O

Total

1

NCFP-1

Melt (3)

12 (2)

48 (2)

–

12 (3)

–

9.7 (9)

–

4.10

77.00

Calcite (5)

0.06 (3)

57 (1)

–

–

–

–

–

–

57.06

2

NCFP-3

Melt (6)

6 (1)

54 (1)

–

11 (2)

–

11 (1)

–

4.50

77.00

Calcite (4)

0.09 (3)

56.1 (0)

–

–

–

–

–

–

56.20

3

NCFP-4

Melt (19)

20 (2)

35.9 (4)

–

0.6 (1)

–

10.4 (2)

–

–

67.00

Calcite (16)

–

54.5 (3)

–

–

–

–

–

–

54.60

4

NCP-1

Fluorite (17)

–

71.6 (4)

–

1 (1)

–

48.4 (7)

–

20.40

100.00

Melt (9)

20.5 (17)

35.9 (4)

–

0.6 (1)

–

10.4 (2)

–

–

67.40

Calcite (10)

–

53.4 (6)

–

–

–

–

–

–

53.40

5

NCPS-1

Melt (12)

20 (2)

35 (2)

–

6 (4)

0.8 (3)

0.63 (9)

0.3 (2)

0.40

62.86

Calcite (7)

–

54 (0)

–

–

–

–

–

–

54.00

6

NCP-1

Melt (9)

22.2 (7)

32 (1)

–

6 (1)

–

0.66 (7)

0.42 (8)

0.47

60.81

Calcite (11)

–

54 (0)

–

–

–

–

–

–

54.00

7

NCPSi-1

Melt (2)

23 (2)

31 (2)

2 (3)

2 (2)

–

0.6 (4)

0.4 (1)

0.43

58.82

Calcite (7)

–

54 (0)

–

–

–

–

–

–

54.00

8

NCPS-1

Melt (17)

23 (2)

31 (2)

–

4 (4)

1 (0)

0.66 (8)

0.17 (2)

0.36

59.92

Calcite (8)

–

53.3 (5)

–

–

–

–

–

–

53.30

9

NCP-3

Melt (10)

25.6 (9)

30.6 (9)

–

3 (2)

–

–

0.18 (1)

0.08

58.92

Calcite (8)

0.4 (3)

54.7 (2)

–

–

–

–

–

–

55.10

10

NCPSi-3

Melt (11)

21 (3)

30.7 (7)

1.9 (6)

–

–

–

0.03 (4)

0.01

53.99

Calcite (4)

–

54.6 (3)

–

–

–

–

–

–

54.60

11

NCPS-3

Melt (16)

25 (2)

31 (2)

–

3 (4)

0.7 (1)

0.45 (1)

0.07 (2)

0.22

58.97

Calcite (9)

0.27 (6)

54.6 (7)

–

–

–

–

–

–

54.80

12

NCPSi-4

Melt (8)

26 (2)

29.8 (4)

–

2 (3)

–

–

0.06 (0)

0.03

56.97

Calcite (6)

–

53.7 (4)

–

–

–

–

–

–

53.70

  1. The numbers in the parentheses next to the phase name indicates the number of analyzes. The numbers in the parentheses next to the analyzes are the standard deviation and reported as the least unit cited. For example, 55.50 (64) should be read as 55.50 ± 0.64 wt.%.
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