Major Oxide (wt.%)

CaO

Al₂O₃

Fe₂O₃

MgO

P₂O₅

SO₃

TiO₂

22.2

2.8

1.3

2.0

4.1

5.9

0.1

Trace Element (ppm)

Cr

Cu

Mn

Ni

Sr

V

Zn

289

60

45

111

641

248

519