Sample ID | Banded iron ore facies | Massive iron ore facies | Avg. | ||||||
EDN04 | EDN 12 | EDN18 | EDN19 | EDN09 | EDN14 | EDN15 | EDN17 | ||
SiO2 (wt%) | 44.1 | 42.8 | 35.4 | 48.1 | 45.9 | 51.2 | 35.1 | 33.8 | 42.05 |
TiO2 | 0.1 | 0.16 | 0.11 | 0.06 | 0.05 | 0.36 | 0.06 | 0.35 | 0.16 |
Al2O3 | 0.47 | 1.38 | 1.29 | 0.64 | 0.63 | 4.19 | 0.46 | 2.14 | 1.4 |
Fe2O3 | 55 | 54.7 | 59.8 | 53.3 | 52 | 40.4 | 62.6 | 62.9 | 55.09 |
MnO | 0.03 | 0.02 | 0.01 | 0.04 | 0.08 | 0.09 | 0.02 | 0.03 | 0.04 |
MgO | 0.14 | 0.02 | 0.03 | 0.02 | 1.3 | 1.58 | 0.04 | 0.46 | 0.45 |
CaO | 0.03 | 0.01 | 0.01 | 0.01 | 0.2 | 0.47 | 0.01 | 0.2 | 0.12 |
Na2O | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.08 | 0.01 | 0.01 | 0.02 |
K2O | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 |
P2O5 | 0.05 | 0.06 | 0.06 | 0.01 | 0.11 | 0.11 | 0.06 | 0.15 | 0.08 |
LOI | 0.59 | 0.77 | 1.68 | −0.65 | −1.24 | 2.15 | 1.5 | 0.1 | 0.61 |
Total | 100.53 | 99.94 | 98.41 | 101.55 | 99.07 | 100.64 | 99.87 | 100.15 | 100.02 |
V (ppm) | 7 | 13 | 22 | 9 | 5 | 69 | 8 | 31 | 24.00 |
Cr | 20 | 30 | 20 | 10 | 30 | 80 | 40 | 10 | 31.67 |
Cs | 0.02 | 0.01 | 0.1 | 0.11 | 0.04 | 0.16 | <0.01 | 0.26 | 0.13 |
Rb | 0.5 | 0.5 | <0.2 | <0.2 | 0.6 | 0.7 | <0.2 | 1.7 | 1.00 |
Sr | 2.1 | 12.6 | 3.9 | 2.2 | 5 | 27.3 | 1 | 11.6 | 8.50 |
Y | 1.9 | 5 | 2.8 | <0.5 | 3.8 | 109.5 | 1.2 | 8.2 | 25.10 |
Zr | 10 | 13 | 11 | 14 | 8 | 37 | 11 | 7 | 14.67 |
Ba | 6.1 | 74.9 | 39 | 2.2 | 12.7 | 131 | 1.6 | 120.5 | 51.17 |
Th | 0.31 | 1.79 | 0.39 | 0.19 | 1.27 | 0.24 | 1.57 | 15.5 | 3.19 |
U | 0.11 | 0.72 | 0.09 | 0.15 | 0.64 | 0.18 | 0.25 | 0.53 | 0.31 |
Ta | 0.1 | 0.3 | 0.5 | 0.6 | 0.1 | 0.6 | 0.2 | 0.5 | 0.42 |
Nb | 1.3 | 4.1 | 1.8 | 6.3 | 1.7 | 4.2 | 1.8 | 6.1 | 3.65 |
Ga | 6.5 | 12.4 | 6.4 | 8.5 | 4.9 | 11.7 | 3.1 | 25.2 | 9.97 |
Hf | 0.3 | 0.4 | 0.3 | 0.3 | 0.2 | 1.1 | 0.3 | 0.2 | 0.40 |
Sn | 2 | 8 | 1 | 5 | 4 | 7 | 2 | 6 | 4.17 |
W | <1 | 1 | 1 | <1 | 1 | <1 | <1 | 1 | 1.00 |
Th/U | 2.82 | 2.49 | 4.33 | 1.27 | 1.98 | 1.33 | 6.28 | 29.25 | 7.41 |
La | 2.9 | 5.2 | 2.9 | 0.7 | 4.9 | 46.9 | 0.9 | 53.1 | 18.23 |
Ce | 5.4 | 11.7 | 5.7 | 1.3 | 10.8 | 160 | 2 | 39.6 | 36.57 |
Pr | 0.73 | 1.45 | 0.76 | 0.11 | 1.2 | 17.7 | 0.24 | 10.4 | 5.07 |
Nd | 2.5 | 6.3 | 3 | 0.6 | 4.8 | 77.8 | 1 | 33.7 | 20.15 |
Sm | 0.48 | 1.44 | 0.45 | 0.09 | 0.87 | 20.3 | 0.23 | 6.23 | 4.70 |
Eu | 0.08 | 0.25 | 0.17 | 0.04 | 0.22 | 4.21 | 0.05 | 1.57 | 1.04 |
Gd | 0.42 | 1.3 | 0.73 | 0.05 | 0.89 | 19.55 | 0.23 | 3.72 | 4.20 |
Tb | 0.05 | 0.17 | 0.06 | 0.01 | 0.1 | 3.17 | 0.03 | 0.48 | 0.64 |
Dy | 0.39 | 0.9 | 0.47 | 0.05 | 0.61 | 19.5 | 0.23 | 2.62 | 3.91 |