Elements/Region

Elemental concentration (wt%)

Mg

Al

Si

Ca

Fe

Mn

Gross composition

3.25

6.87

15.24

21.15

29.44

24.05

A

-----

-----

10.16

9.14

20.30

60.40

B

-----

16.07

31.61

4.86

8.51

38.95

C

-----

17.35

30.51

7.47

-----

44.67

D

-----

-----

100

-----

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