Mineralogical composition (%)

Rutile

Goethite

Illite

Kaolinite

Quartz

TOTAL

LBF

1.06

2.34

9.73

66.79

17.06

96.98

LJPF

1.0

3.97

6.44

65.02

21.87

98.3

LRF

1.13

4.48

9.66

67.98

14.77

98.02

LVF

1.12

4.92

4.74

83.61

4.3

98.69

LMF

1.10

4.25

8.38

57.06

25.96

96.75

LJFF

1.0

26.02

5.28

41.86

20.67

94.83

LNF

1.03

2.23

8.11

56.77

26.71

94.85