Spier C.A., Barros de Oliveira S.-M., Rosi?re C.A., Ardisson J.D. Mineralogy and trace-element geochemistry of the high-grade iron ores of the ?guas Claras Mine and comparison with the Cap?o Xavier and Tamandu? iron ore deposits, Quadril?tero Ferr?fe
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Appendix 2 (Continued)
Sample FSD9/
27.70m
FSD9/
28.70m
FSD11/
4.8m
FSD11/
5.70m
FSD11/
7.10m
FSD11/
10.50m
FSD11/
12.4m
FSD11/
13.4m
FSD11/
20.4m
FSD11/
25.7m
FSD11/
26.7m
Ore
Type
Wt%
SO SO SO SO SO SO SO SO SO SO SO
SiO
2
3.57 1.26 1.16 1.53 1.08 1.86 0.55 1.05 2.31 0.68 1.23
Al
2
O
3
1.89 0.39 0.38 0.3 0.21 0.81 0.14 0.18 1.5 0.10 0.12
Fe
2
O
3
87.66 94.62 95.90 93.18 96.15 92.22 98.11 96.48 91.35 97.63 95.52
Fe
TOT
87.72 94.68 95.96 93.24 96.21 92.28 98.22 96.54 91.47 97.69 0.05
FeO 0.05 0.05 0.05 0.05 0.05 0.05 0.10 0.05 0.11 0.05 0.05
MnO 1.48 0.56 0.49 0.67 0.76 1.01 0.39 0.62 1.00 0.59 0.55
MgO 2.04 0.75 0.75 0.78 0.33 0.96 0.12 0.21 0.27 0.33 0.48
CaO 0.24 0.48 0.54 0.6 0.15 0.15 0.05 0.12 0.12 0.12 0.39
Na
2
O 0.33 0.39 <0.01 0.27 0.42 0.45 0.15 0.3 0.45 0.11 0.42
K
2
O <0.01 0.12 <0.01 0.12 0.15 0.06 <0.01 0.12 0.09 <0.01 0.09
TiO
2
0.153 0.021 0.005 0.21 0.021 0.024 0.010 0.024 0.069 0.011 0.021
P
2
O
5
0.06 0.21 0.37 0.33 0.03 0.005 0.02 0.06 0.06 0.06 0.21
LOI 2.10 0.51 0.70 0.72 0.63 1.26 0.44 0.54 1.41 0.67 0.51
Total 99.54 99.36 100.37 98.58 99.96 98.91 100.08 99.81 98.73 100.37 99.63
ppm
Ba 32.2 24.3 11.0 22.6 24.5 13.6 16.1 24.5 21.7 14.4 16.4
Sr 29.3 12.7 14.2 15.5 8.1 29.5 4.0 4.2 10.6 19.2 12.1
Y 26.3 17.7 10.3 15.9 11.0 12.4 6.7 9.8 26.1 18.0 12.8
Sc 6.0 1.5 <3.0 0.5 0.5 0.5 <3.0 0.5 0.5 <3.0 0.5
Zr 40.1 5.2 5.4 10.4 14.3 13.7 4.1 3.8 19.0 5.4 12.3
Be 3.0 0.5 <3.0 0.5 0.5 3.0 <3.0 0.5 0.5 <3.0 0.5
V 63.6 91.2 65.5 131.6 34.1 96.4 9.1 23.5 40.4 39.3 9.9
Ni 89.9 10.1 25.4 15.6 13.1 20.2 <20.0 11.8 85.3 <20.0 0.5
Cu 9.0 10.1 <5.0 8.1 7.4 7.2 <5.0 7.2 10.5 <5.0 7.2
Zn 17.8 0.5 <30.0 0.5 0.5 0.5 <30.0 0.5 39.9 31.3 0.5
Ga 1.8 0.5 1.1 0.5 0.5 1.3 <1.0 0.5 3.0 <1.0 0.5
Ge 3.2 1.1 3.6 3.6 2.9 5.0 3.0 3.8 3.4 4.0 2.3
Rb 0.5 1.1 <1.0 0.5 0.5 0.5 <1.0 0.5 0.5 <1.0 0.5
Nb 1.5 0.3 0.3 0.2 0.4 0.5 0.3 0.1 0.6 0.3 0.1
Mo 1.0 1.0 <2.0 1.0 1.0 1.0 <2.0 1.0 1.0 <2.0 1.0
Ag 0.4 0.2 <0.5 0.2 0.2 0.2 <0.5 0.2 0.2 <0.5 0.2
In 0.1 0.1 <0.1 0.1 0.1 0.1 <0.1 0.1 0.1 <0.1 0.1
Sn 1.2 0.5 <1.0 0.5 0.5 0.5 <1.0 0.5 0.5 <1.0 0.5
Cs 0.1 0.1 <0.1 0.1 0.1 0.1 <0.1 0.1 0.1 <0.1 0.1
∑REE
33.5 21.0 13.5 16.1 17.6 17.6 9.3 13.2 28.4 15.2 10.6
Hf 0.6 0.1 <0.1 0.1 0.1 0.1 <0.1 0.1 0.3 <0.1 0.1
Tl 0.0 0.0 <0.1 0.0 0.0 0.0 <0.1 0.0 0.0 1.8 0.0
Pb 1.5 1.5 <5.0 1.5 1.5 1.5 <5.0 1.5 1.5 <5.0 1.5
Bi 1.0 1.0 <0.1 1.0 1.0 1.0 <0.1 1.0 1.0 <0.1 1.0
Th 1.0 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.7 0.20 0.1
U 7.0 6.1 2.6 3.1 1.7 1.7 1.2 1.9 2.8 4.0 1.0
Au 1.0 1.0 <2.0 1.0 1.0 1.0 <2.0 1.0 1.0 <2.0 1.0
As 16.6 16.2 9.0 8.8 6.5 6.5 <5.0 5.8 7.2 6.0 7.5
Br 0.3 0.3 <0.5 0.3 0.3 0.3 <0.5 0.3 0.3 <0.5 0.3
Cr 56.0 16.0 89.0 61.0 25.0 25.0 25.0 24.0 28.0 64.0 17.0
Ir 2.5 2.5 <5.0 2.5 2.5 2.5 <5.0 2.5 2.5 <5.0 2.5
Sb 3.4 3.9 2.3 2.6 2.2 2.2 1.6 2.0 2.1 1.7 1.6
Sc 2.7 0.4 0.5 0.6 0.8 0.8 0.5 0.5 1.7 0.5 0.4
Se 1.5 1.5 <3.0 1.5 1.5 1.5 <3.0 1.5 1.5 <3.0 1.5
Fe# 1.0 1.0 0.998 1.0 1.0 1.0 0.999 1.0 1.0 0.999 1.0
HO = hard ore; SO = Soft ore; MB = Massive band of the soft ore; PB = Porous band. Fe
TOT
expressed as Fe
2
O
3
. Fe# =
(Fe
3+
/(Fe
3+
+
Fe
2+
), na = not analyzed
Appendix 2 (Continued)
Sample FSD11/
28.3m
MAC14A MAC59H MAC126A MAC127A MAC128A MAC129A MAC3A MAC14B
Ore
Type
Wt%
SO MB MB MB MB MB MB PB PB
SiO
2
1.2 0.51 0.30 0.43 0.15 0.26 0.44 3.17 4.74
Al
2
O
3
0.12 0.09 0.12 0.06 0.04 0.03 0.16 3.25 0.39
Fe
2
O
3
94.32 96.84 97.90 99.15 98.68 97.99 98.89 86.96 87.69
Fe
TOT
0.05 98.34 97.90 99.27 98.80 98.15 99.01 87.22 86.95
FeO 0.05 1.35 na 0.11 0.11 0.14 0.11 0.23 0.23
MnO 0.53 0.29 0.03 0.05 0.07 0.11 0.02 2.55 1.93
MgO 0.45 0.09 0.10 0.08 0.09 0.02 0.11 0.30 2.29
CaO 0.84 0.06 0.06 0.03 0.38 0.03 0.05 0.08 0.11
Na
2
O 0.42 <0.01 <0.01 <0.01 <0.01 0.15 <0.01 0.01 <0.01
K
2
O <0.01 <0.01 0.04 <0.01 <0.01 <0.01 0.03 0.07 <0.01
TiO
2
0.024 0.009 0.010 0.005 <0.001 0.005 0.005 0.223 0.022
P
2
O
5
0.45 <0.03 0.04 0.01 0.27 0.01 0.04 0.25 0.05
LOI 0.54 0.45 0.38 0.23 0.27 0.39 0.19 2.97 2.54
Total 98.88 99.72 99.01 100.21 100.12 99.17 100.09 100.07 100.02
ppm
Ba 9.6 9.9 10.3 13.4 <3.0 29.5 4.2 138.4 20.7
Sr 14.9 5.1 2.2 <2.0 12.4 <2.0 <2.0 42.8 20.2
Y 15.0 6.0 2.0 2.6 2.0 2.2 3.8 56.0 27.1
Sc 0.5 <3.0 <3.0 <3.0 <3.0 <3.0 <3.0 8.0 <3.0
Zr 7.7 2.3 2.2 4.2 4.8 2.6 3.2 38.6 4.7
Be 0.5 <3.0 <3.0 <3.0 <3.0 <3.0 <3.0 4.0 4.0
V 19.2 77.0 14.0 18.8 9.2 17.2 26.8 75.0 59.0
Ni 2.7 <20.0 <20.0 <20.0 <20.0 23.0 <20.0 63.6 39.0
Cu 6.7 <5.0 <5.0 <5.0 19.7 <5.0 <5.0 115.3 14.6
Zn 0.5 <30.0 <30.0 <30.0 <30.0 <30.0 <30.0 407.1 87.3
Ga 0.5 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 5.9 2.2
Ge 2.3 3.4 5.3 4.3 3.3 3.6 3.1 3.5 6.0
Rb 0.5 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
Nb 0.1 <0.2 <0.2 0.4 0.5 0.3 0.3 2.4 <0.2
Mo 1.0 3.3 2.2 <2.0 <2.0 <2.0 <2.0 <2.0 2.8
Ag 0.2 1.5 1.2 <0.5 <0.5 <0.5 <0.5 1.7 1.5
In 0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
Sn 0.5 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2.3 <1.0
Cs 0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
∑REE
12.4 7.6 4.5 4.8 3.6 3.9 5.9 116.9 29.0
Hf 0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 1.0 0.1
Tl 0.0 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.06 <0.1
Pb 1.5 8.4 5.5 <5.0 <5.0 <5.0 <5.0 70.5 12.6
Bi 1.0 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.2 <0.1
Th 0.1 0.20 0.13 0.15 <0.05 0.07 0.1 3.8 0.2
U 3.3 4.1 1.1 1.8 0.7 1.6 1.1 8.4 4.5
Au 1.0 <2.0 <2.0 <2.0 <2.0 <2.0 4.0 15.0 10.0
As 7.5 9.6 5.5 6.3 7.7 6.2 8.9 22.8 26.3
Br 0.3 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
Cr 17.0 181.0 33.0 23.0 33.0 26.0 31.0 83.0 206.0
Ir 2.5 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0
Sb 1.4 4.9 3.5 4.0 2.9 14.0 3.7 3.0 4.8
Sc 0.4 0.3 0.3 0.3 <0.1 0.2 0.2 7.7 1.2
Se 1.5 <3.0 <3.0 <3.0 <3.0 <3.0 <3.0 <3.0 <3.0
Fe# 1.0 0.985 na 0.999 0.999 0.998 0.999 0.997 0.997
HO = hard ore; SO = Soft ore; MB = Massive band of the soft ore; PB = Porous band. Fe
TOT
expressed as Fe
2
O
3
. Fe# =
(Fe
3+
/(Fe
3+
+
Fe
2+
), na = not analyzed
Appendix 2 (Continued)
Sample MAC59I MAC107 MAC126B MAC127B MAC128B MAC129B
Ore
Type
Wt%
PB PB PB PB PB PB
SiO
2
0.99 1.26 0.94 1.05 0.38 0.97
Al
2
O
3
0.14 1.88 0.27 0.25 0.20 0.35
Fe
2
O
3
97.07 92.17 95.39 92.03 96.63 94.44
Fe
TOT
97.07 92.58 95.51 92.20 96.74 94.56
FeO na 0.37 0.11 0.15 0.10 0.11
MnO 0.77 1.61 0.95 2.45 1.50 1.72
MgO 0.33 0.07 0.29 0.64 0.08 0.30
CaO 0.26 0.01 0.04 0.31 0.10 0.07
Na
2
O 0.01 <0.01 0.20 0.19 <0.01 0.14
K
2
O 0.01 <0.01 <0.01 0.01 <0.01 0.03
TiO
2
0.017 0.111 0.024 0.013 0.011 0.013
P
2
O
5
0.13 0.14 0.06 0.08 0.03 0.09
LOI 0.78 2.20 1.13 2.55 1.09 1.62
Total 100.50 99.84 99.42 99.73 100.14 99.85
ppm
Ba 156.8 24.0 84.4 40.2 405.2 60.1
Sr 13.6 20.6 2.3 24.5 5.0 9.7
Y 13.9 22.7 27.2 40.6 28.1 45.2
Sc <3.0 3.0 <3.0 <3.0 <3.0 <3.0
Zr 2.3 8.4 7.9 5.2 3.9 4.3
Be <3.0 3.0 3.0 <3.0 <3.0 6.0
V 23.0 57.0 25.1 62.9 24.5 29.6
Ni <20.0 16.9 23.9 39.3 41.3 <20.0
Cu <5.0 80.3 <5.0 18.3 11.7 <5.0
Zn <30.0 51.1 <30.0 91.1 101.8 40.9
Ga <1.0 2.8 1.1 1.8 1.2 1.7
Ge 5.1 2.1 3.6 5.0 3.1 3.4
Rb <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
Nb <0.2 1.5 0.6 0.5 0.4 0.3
Mo <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
Ag 1.3 <0.5 <0.5 <0.5 <0.5 <0.5
In <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
Sn <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
Cs <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
∑REE
14.4 52.5 31.5 35.4 25.6 38.3
Hf <0.1 0.3 0.1 <0.1 <0.1 <0.1
Tl <0.1 0.106 <0.1 <0.1 <0.1 <0.1
Pb <5 7.1 <5 <5 5.9 6.1
Bi <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
Th 0.1 1.4 0.4 0.2 0.2 0.3
U 1.1 6.2 3.4 7.6 2.1 3.7
Au <2.0 na 35.0 3.0 <2.0 <2.0
As 9.2 10.0 13.7 13.6 12.0 20.8
Br <0.5 na <0.5 <0.5 <0.5 <0.5
Cr 26.0 50.0 41.0 32.0 30.0 82.0
Ir <5.0 na <5.0 <5.0 <5.0 <5.0
Sb 3.5 1.8 4.1 4.6 14.0 3.7
Sc 0.3 na 1.0 0.7 0.6 0.5
Se <3.0 na <3.0 <3.0 <3.0 <3.0
Fe na 0.996 0.999 0.998 0.999 0.999
HO = hard ore; SO = Soft ore; MB = Massive band of the soft ore; PB = Porous band. Fe
TOT
expressed as Fe
2
O
3
. Fe# =
(Fe
3+
/(Fe
3+
+ Fe
2+
), na = not analyzed
Appendix 3 Rare earth element composition of the hard and soft ores
SAMPLE
MAC2 MAC44 MAC67 MAC68 MAC84 MAC97 MAC105A MAC105B MAC115 PZ55AM7 MAC17A MAC20A MAC60A FSD8/
4.8m
FSD8/
7.3m
FSD8/
12.5m
Ore Type
ppm
HO HO HO HO HO HO HO HO HO HO SO SO SO SO SO SO
La
1.42 1.05 1.15 0.49 1.07 1.06 0.97 1.08 1.36 0.91 3.10 3.08 3.5 8.74 3.95 3.92
Ce
2.65
2.02 1.85 1.09 1.77 2.09 1.92 2.07 1.88 1.45 5.04 6.10 9.34 13.88 7.55 7.41
Pr
0.41 0.29 0.26 0.10 0.22 0.30 0.30 0.36 0.33 0.20 0.69 1.47 1.26 1.98 1.19 0.93
Nd
1.85 1.38 1.19 0.47 1.01 1.34 1.71 1.82 1.74 0.91 2.96 6.98 5.10 8.40 5.76 3.89
Sm
0.56 0.39 0.29 0.12 0.27 0.34 0.46 0.49 0.42 0.25 0.67 1.97 1.16 1.81 1.42 0.85
Eu
0.18 0.13 0.11 0.05 0.11 0.10 0.19 0.19 0.18 0.11 0.34 0.66 0.36 0.69 0.58 0.31
Gd
0.77 0.61 0.44 0.18 0.43 0.42 0.71 0.75 0.62 0.32 1.12 2.95 1.00 2.19 1.80 1.00
Tb
0.13 0.11 0.07 0.04 0.07 0.07 0.12 0.12 0.11 0.06 0.20 0.42 0.14 0.39 0.33 0.18
Dy
0.82 0.62 0.45 0.22 0.44 0.42 0.74 0.74 0.66 0.40 1.34 2.30 0.79 2.62 2.25 1.14
Y
7.60 6.21 4.59 2.18 4.64 3.52 6.08 5.75 5.22 4.14 12.70 33.70 5.50 32.16 26.30 14.60
Ho
0.17 0.12 0.11 0.05 0.10 0.09 0.16 0.16 0.15 0.08 0.31 0.49 0.15 0.60 0.52 0.25
Er
0.46 0.37 0.33 0.15 0.28 0.30 0.44 0.46 0.41 0.23 1.01 1.40 0.47 1.97 1.69 0.81
Tm
0.06 0.05 0.05 0.02 0.04 0.04 0.05 0.06 0.05 0.03 0.15 0.19 0.08 0.31 0.26 0.13
Yb
0.39 0.30 0.30 0.16 0.25 0.27 0.031 0.34 0.031 0.18 1.07 1.16 0.64 2.03 1.81 0.85
Lu
0.06 0.05 0.05 0.02 0.04 0.04 0.04 0.05 0.05 0.02 0.18 0.18 0.10 0.34 0.29 0.14
∑REE
9.96 7.47 6.65 3.16 6.09 6.88 8.72 8.13 8.27 4.24 18.17 29.35 24.08 45.96 29.40 21.79
La/Yb
PAAS
0.27 0.26 0.29 0.23 0.32 0.29 0.23 0.23 0.32 0.37 0.21 0.20 0.41 0.32 0.16 0.34
La/Sm
PAAS
0.37 0.39 0.57 0.61 0.58 0.45 0.32 0.31 0.47 0.52 0.68 0.23 0.44 0.70 0.41 0.67
Dy/Yb
PAAS
1.26 1.24 0.93 0.86 1.06 0.95 1.30 1.45 1.28 1.33 1.18 1.45 0.86 0.78 0.75 0.81
Ce/Ce
*
PAAS
0.80 0.85 0.77 1.11 0.84 0.85 0.76 0.81 0.65 0.80 0.80 0.66 1.02 0.77 0.80 0.90
Pr/Pr
*
PAAS
1.09 1.01 1.05 0.86 0.97 1.06 1.10 0.98 1.06 1.00 1.04 1.32 1.08 1.08 1.06 1.02
Eu/Eu
*
PAAS
1.32 1.27 1.38 1.48 1.55 1.26 1.47 1.58 1.66 1.84 1.85 1.29 1.57 1.64 1.71 1.59
Y/Y
*
PAAS
1.63 1.79 1.66 1.64 1.81 1.42 1.4 1.34 1.34 2.77 1.58 2.54 1.27 2.04 1.94 2.17
HO = hard ore; SO = Soft ore; MB = Massive band of the soft ore; PB = Porous band.
Y content is not included in ∑REE. Eu/Eu
*
PAAS
=((Eu/Eu
PAAS
)/(Sm/Sm
PAAS
)*(Gd/Gd
PAAS
))
1/2
,
Ce/Ce
*
PAAS
, Pr/Pr
*
PAAS
and Y/Y
*
PAAS
calculated by similar way.
Appendix 3 (Continued)
SAMPLE
FSD8/
14.7m
FSD8/
16.8m
FSD8/
19.0m
FSD9/
3.5m
FSD9/
8.6m
FSD9/
24.7m
FSD9/
27.7m
FSD9/
28.7m
FSD11/
4.8m
FSD11/
5.7m
FSD11/
7.1m
FSD11/
10.5m
FSD11/
12.4m
FSD11/
13.4m
FSD11/
20.4m
FSD11/
25.7m
FSD11/
26.7m
FSD11/
28.3m
Ore Type
ppm
SO SO SO SO SO SO SO SO SO SO SO SO SO SO SO SO SO SO
La
3.20 5.14 3.57 2.62 2.75 6.49 5.13 3.18 2.02 2.59 3.23 4.18 1.34 2.25 4.64 2.02 1.64 1.81
Ce
6.89
9.46 6.88 4.50 5.12 12.89 9.66 5.88 3.17 3.89 5.37 7.17 2.54 3.66 7.80 3.67 3.07 3.21
Pr
1.10 1.68 1.16 0.59 0.63 1.84 1.51 1.00 0.56 0.70 0.74 0.88 0.36 0.53 1.19 0.57 0.44 0.45
Nd
5.10 7.96 5.58 2.54 2.54 7.85 6.66 4.56 2.65 3.12 3.31 3.72 1.65 2.43 5.33 2.65 1.82 2.12
Sm
1.19 1.90 1.35 0.49 0.53 1.76 1.50 0.99 0.61 0.65 0.64 0.73 0.38 0.50 1.02 0.64 0.43 0.46
Eu
0.50 0.82 0.59 0.20 0.21 0.65 0.55 0.38 0.25 0.30 0.28 0.29 0.16 0.22 0.50 0.26 0.20 0.23
Gd
1.54 2.56 1.85 0.62 0.63 2.13 1.74 1.19 0.95 0.87 0.79 0.84 0.55 0.61 1.35 1.00 0.53 0.67
Tb
0.27 0.48 0.36 0.12 0.12 0.40 0.33 0.21 0.16 0.17 0.15 0.15 0.10 0.12 0.27 0.17 0.11 0.13
Dy
1.75 3.24 2.43 0.83 0.76 2.60 2.18 1.37 1.04 1.23 1.02 1.03 0.64 0.90 1.92 1.21 0.73 0.98
Y
20.66 37.65 30.79 13.33 9.13 31.67 26.35 17.72 10.30 15.90 11.01 12.41 6.70 9.78 26.11 18.00 12.80 15.02
Ho
0.39 0.73 0.57 0.20 0.17 0.56 0.49 0.30 0.25 0.29 0.23 0.24 0.16 0.21 0.47 0.32 0.17 0.24
Er
1.27 2.27 1.84 0.66 0.54 1.72 1.56 0.89 0.81 0.94 0.76 0.77 0.55 0.72 1.59 1.14 0.60 0.84
Tm
0.20 0.36 0.30 0.11 0.09 0.27 0.25 0.13 0.12 0.15 0.12 0.12 0.10 0.12 0.26 0.19 0.10 0.14
Yb
1.32 2.36 1.95 0.71 0.58 1.71 1.63 0.83 0.80 1.07 0.82 0.83 0.62 0.82 1.79 1.18 0.64 0.94
Lu
0.20 0.37 0.31 0.11 0.10 0.28 0.26 0.13 0.13 0.18 0.13 0.13 0.09 0.14 0.29 0.19 0.10 0.16
∑REE
24.94 39.33 28.74 14.30 14.74 41.14 33.46 21.03 13.52 16.15 17.59 21.08 9.26 13.25 28.41 15.21 10.60 12.38
La/Yb
PAAS
0.18 0.16 0.14 0.27 0.35 0.28 0.23 0.28 0.19 0.18 0.29 0.37 0.16 0.20 0.19 0.13 0.19 0.14
La/Sm
PAAS
0.39 0.39 0.39 0.78 0.76 0.53 0.50 0.46 0.48 0.58 0.73 0.83 0.51 0.65 0.66 0.46 0.55 0.58
Dy/Yb
PAAS
0.80 0.83 0.75 0.71 0.79 0.91 0.81 1.00 0.20 0.69 0.75 0.74 0.76 0.66 0.65 0.62 0.69 0.63
Ce/Ce
*
PAAS
0.85 0.74 0.78 0.83 0.90 0.86 0.80 0.76 0.68 0.67 0.80 0.86 0.84 0.77 0.77 0.79 0.84 0.82
Pr/Pr
*
PAAS
1.09 1.14 1.10 1.03 1.02 1.08 1.11 1.13 1.15 1.18 1.04 1.00 1.04 1.05 1.08 1.08 1.09 1.02
Eu/Eu
*
PAAS
1.74 1.76 1.77 1.73 1.70 1.59 1.61 1.65 1.53 1.91 1.85 1.72 1.61 1.87 2.00 1.54 1.96 1.98
Y/Y
*
PAAS
1.99 1.95 2.09 2.62 2.05 2.09 2.03 2.22 1.60 2.14 1.80 2.00 1.64 1.78 2.20 2.30 2.85 2.45
HO = hard ore; SO = Soft ore; MB = Massive band of the soft ore; PB = Porous band.
Y content is not included in ∑REE. Eu/Eu
*
PAAS
=((Eu/Eu
PAAS
)/(Sm/Sm
PAAS
)*(Gd/Gd
PAAS
))
1/2
,
Ce/Ce
*
PAAS
, Pr/Pr
*
PAAS
and Y/Y
*
PAAS
calculated by similar way.
Appendix 3 (Continued)
SAMPLE
MAC14A MAC59H MAC126A MAC127A MAC128A MAC129A MAC3A MAC14B MAC59I MAC107 MAC126B MAC127B MAC128B MAC129B
Ore Type
ppm
MB
MB MB MB MB MB PB PB PB PB PB PB PB PB
La
1.16 0.86 0.79 0.55 0.73 1.02 20.23 4.54 2.02 6.66 4.31 5.35 4.29 5.79
Ce
2.18 1.44 1.60 1.04 1.42 1.79 42.46 7.35 3.95 13.00 7.43 8.19 5.35 7.89
Pr
0.34 0.19 0.18 0.15 0.13 0.23 4.49 1.23 0.55 2.09 1.25 1.42 1.06 1.49
Nd
1.39 0.75 0.81 0.76 0.58 1.05 18.06 5.31 2.41 9.15 5.98 6.30 4.59 6.99
Sm
0.33 0.20 0.17 0.17 0.11 0.25 3.97 1.19 0.59 2.33 1.55 1.44 1.00 1.68
Eu
0.13 0.06 0.07 0.06 0.05 0.08 1.90 0.53 0.26 0.79 0.60 0.61 0.45 0.77
Gd
0.48 0.23 0.23 0.24 0.15 0.32 5.13 1.82 0.94 3.46 2.33 2.23 1.65 2.90
Tb
0.07 0.04 0.04 0.04 0.03 0.06 0.96 0.30 0.16 0.69 0.39 0.39 0.29 0.48
Dy
0.47 0.25 0.28 0.22 0.19 0.37 6.45 2.02 1.06 4.85 2.43 2.67 2.07 3.28
Y
6.00 2.00 2.60 2.00 2.20 3.80 56.00 27.10 13.90 22.70 27.20 40.60 28.10 45.20
Ho
0.11 0.05 0.07 0.05 0.05 0.10 1.46 0.50 0.27 1.14 0.61 0.73 0.56 0.86
Er
0.38 0.17 0.24 0.15 0.18 0.30 4.80 1.69 0.89 3.69 1.98 2.55 1.87 2.80
Tm
0.06 0.03 0.04 0.02 0.03 0.04 0.79 0.28 0.15 0.57 0.32 0.42 0.30 0.43
Yb
0.40 0.18 0.27 0.13 0.19 0.27 5.31 1.92 0.99 3.46 1.97 2.66 1.87 2.54
Lu
0.07 0.03 0.04 0.02 0.03 0.04 0.89 0.33 0.17 0.61 0.31 0.43 0.29 0.40
∑REE
7.57 4.47 4.82 3.59 3.87 5.91 116.88 29.01 14.41 53.48 31.46 35.39 25.64 38.28
La/Yb
PAAS
0.21 0.36 0.21 0.32 0.29 0.28 0.28 0.17 0.15 0.14 0.16 0.15 0.17 0.17
La/Sm
PAAS
0.52 0.63 0.67 0.48 0.94 0.60 0.74 0.55 0.49 0.41 0.40 0.54 0.62 0.50
Dy/Yb
PAAS
0.71 0.84 0.63 1.05 0.62 0.84 0.73 0.63 0.64 0.84 0.74 0.61 0.67 0.78
Ce/Ce
*
PAAS
0.80 0.83 0.98 0.84 1.04 0.85 1.03 0.72 0.86 0.80 0.74 0.69 0.58 0.62
Pr/Pr
*
PAAS
1.14 1.05 0.93 0.98 0.87 0.98 0.95 1.16 1.06 1.13 1.10 1.16 1.26 1.18
Eu/Eu
*
PAAS
1.53 1.41 1.58 1.45 1.67 1.35 1.98 1.70 1.65 1.31 1.49 1.61 1.64 1.65
Y/Y
*
PAAS
2.09 1.41 1.50 1.50 1.73 1.59 1.46 2.15 2.08 0.77 1.79 2.32 2.09 2.15
HO = hard ore; SO = Soft ore; MB = Massive band of the soft ore; PB = Porous band.
Y content is not included in ∑REE. Eu/Eu
*
PAAS
=((Eu/Eu
PAAS
)/(Sm/Sm
PAAS
)*(Gd/Gd
PAAS
))
1/2
,
Ce/Ce
*
PAAS
, Pr/Pr
*
PAAS
and Y/Y
*
PAAS
calculated by similar way.
Appendix 4 – Bulk and calculated
(1)
densities, and porosity of the
soft ore
Sample Bulk Density
(g/cm
3
)
Calculated Density
(g/cm
3
)
Porosity (%)
FSD8 2.2m 2.88 5.13 43.91
FSD8 14.7m 2.94 5.17 43.11
FSD8 14.8m 3.54 5.18 31.63
FSD8 16.8m 2.77 5.10 45.81
FSD8 17.0m 3.00 5.10 41.17
FSD8 19.0m 3.19 5.15 38.00
FSD9 3.5m 2.94 5.10 42.45
FSD9 8.6m 3.01 5.14 41.43
FSD9 10.5m 2.61 5.05 48.24
FSD9 12.5m 2.46 5.08 51.48
FSD9 13.5m 2.58 5.08 49.16
FSD9 19.7m 2.67 5.13 47.93
FSD9 20.9m 2.55 5.10 50.05
FSD9 28.7m 3.22 5.13 37.19
FSD11 2.5m 3.26 5.15 36.73
FSD11 4.8m 3.66 5.10 28.21
FSD11 5.5m 3.23 5.08 36.42
FSD11 5.7m 3.25 5.10 36.33
FSD11 5.8m 3.07 5.08 39.62
FSD11 6.5m 2.84 5.05 43.73
FSD11 6.8m 3.03 5.15 41.21
FSD11 7.0m 3.25 5.16 37.06
FSD11 7.1m 3.31 5.17 35.99
FSD11 8.3m 2.95 5.16 42.86
FSD11 8.5m 3.04 5.13 40.71
FSD11 8.6m 3.63 5.16 29.66
FSD11 8.9m 3.05 5.19 41.19
FSD11 9.2m 3.28 5.18 36.66
FSD11 12.4m 3.28 5.20 36.96
FSD11 13.4m 3.22 5.20 38.03
FSD11 22.8m 2.95 5.14 42.65
FSD11 25.5m 2.92 5.18 43.61
FSD11 25.7m 3.09 5.18 40.30
FSD11 26.3m 3.38 5.14 34.20
FSD11 26.5m 2.89 5.15 43.83
FSD11 26.7m 3.04 5.15 41.00
FSD11 28.3m 3.00 5.14 41.60
Average 3.05 5.13 40.54
Maximum 3.66 5.20 51.48
Minimum 2.46 5.05 28.21
(1) Calculated density would be the bulk densisity if porosity=0. See text
for explanation.