Table 2 Contents of major elements and trace elements, along with the calculated parameters and elemental ratios for the bauxite ores of the Jajarm deposit.
From: Geochemical constraints on critical metals in the Jajarm bauxite deposit in Northeastern Iran
DL | J1 | J2 | J3 | J4 | J5 | J6 | J7 | J8 | J9 | J10 | J11 | J12 | J13 | J14 | J15 | J16 | J17 | J18 | J19 | J20 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 (wt%) | 0.01 | 40.46 | 33.11 | 29.51 | 23.14 | 29.09 | 30.78 | 33.24 | 34.12 | 9.67 | 10.44 | 6.87 | 8.78 | 0.40 | 5.23 | 3.89 | 4.66 | 6.01 | 6.52 | 28.41 | 31.75 |
Al2O3 | 0.01 | 37.74 | 32.40 | 32.85 | 32.98 | 35.11 | 29.26 | 29.43 | 30.31 | 50.80 | 43.70 | 52.53 | 56.42 | 44.82 | 55.32 | 52.74 | 59.32 | 51.17 | 57.30 | 47.54 | 30.35 |
TiO2 | 0.01 | 4.65 | 3.80 | 3.65 | 4.60 | 4.42 | 3.40 | 3.96 | 3.61 | 6.37 | 4.95 | 5.98 | 5.86 | 4.92 | 5.69 | 5.48 | 6.42 | 6.29 | 6.58 | 4.67 | 3.56 |
Fe2O3 | 0.01 | 0.79 | 16.80 | 21.02 | 27.37 | 18.68 | 23.73 | 20.56 | 18.83 | 18.84 | 22.02 | 12.28 | 5.58 | 3.13 | 11.70 | 12.81 | 12.41 | 8.53 | 10.76 | 4.02 | 17.76 |
K2O | 0.01 | 5.16 | 1.30 | 1.67 | 0.38 | 0.38 | 0.61 | 0.39 | 0.26 | 0.07 | 0.01 | 0.06 | 0.01 | 0.02 | 0.48 | 0.50 | 0.51 | 0.11 | 0.25 | 0.33 | 0.21 |
CaO | 0.01 | 0.16 | 0.18 | 0.14 | 0.15 | 0.13 | 0.12 | 0.12 | 0.11 | 0.33 | 3.35 | 5.12 | 5.25 | 21.10 | 5.08 | 7.41 | 1.98 | 9.02 | 2.99 | 0.25 | 0.46 |
MgO | 0.01 | 0.58 | 0.29 | 0.32 | 0.15 | 0.16 | 0.20 | 0.18 | 0.17 | 0.76 | 0.61 | 0.40 | 0.12 | 0.07 | 0.11 | 0.12 | 0.11 | 0.18 | 0.10 | 0.09 | 0.08 |
MnO | 0.01 | < 0.01 | 0.01 | 0.02 | 0.02 | 0.01 | 0.03 | 0.02 | 0.02 | < 0.01 | 0.02 | 0.01 | 0.01 | 0.04 | 0.03 | 0.03 | 0.04 | 0.03 | 0.02 | < 0.01 | 0.01 |
Na2O | 0.01 | 0.11 | 0.08 | 0.11 | 0.05 | 0.07 | 0.08 | 0.09 | 0.07 | 0.03 | 0.06 | 0.02 | 0.04 | < 0.01 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.05 | 0.07 |
P2O5 | 0.01 | 0.18 | 0.17 | 0.16 | 0.20 | 0.20 | 0.23 | 0.21 | 0.19 | 0.10 | 0.16 | 0.14 | 0.16 | 0.06 | 0.06 | 0.04 | 0.06 | 0.09 | 0.14 | 0.02 | 0.01 |
LOI | 0.01 | 8.89 | 10.52 | 9.59 | 9.96 | 11.13 | 10.23 | 10.78 | 11.05 | 12.05 | 14.34 | 15.54 | 16.85 | 25.30 | 15.55 | 16.39 | 13.60 | 18.13 | 14.75 | 13.52 | 14.28 |
Sum | – | 98.72 | 98.66 | 99.04 | 99.00 | 99.38 | 98.67 | 98.98 | 98.74 | 99.02 | 99.66 | 98.95 | 99.08 | 99.86 | 99.27 | 99.43 | 99.14 | 99.59 | 99.44 | 98.90 | 98.54 |
Li (ppm) | 0.2 | 3780.0 | 700.0 | 639.0 | 531.0 | 682.0 | 649.0 | 650.0 | 678.0 | 324.0 | 287.0 | 194.0 | 201.0 | 7.9 | 68.0 | 102.5 | 90.9 | 135.5 | 201.0 | 927.0 | 1025.0 |
Co | 0.1 | 18.0 | 62.8 | 72.5 | 36.1 | 21.0 | 30.1 | 19.3 | 15.8 | 58.2 | 172.0 | 60.2 | 19.8 | 28.3 | 27.7 | 34.2 | 53.2 | 31.6 | 24.9 | 20.6 | 41.2 |
V | 5 | 519 | 456 | 468 | 435 | 409 | 397 | 502 | 433 | 781 | 781 | 795 | 736 | 508 | 614 | 652 | 746 | 690 | 735 | 443 | 384 |
Ga | 0.1 | 49.0 | 42.7 | 43.7 | 54.3 | 43.1 | 38.5 | 43.6 | 40.7 | 72.5 | 72.6 | 73.8 | 74.0 | 56.8 | 69.6 | 67.7 | 77.1 | 66.9 | 76.4 | 66.0 | 59.5 |
Hf | 0.1 | 16.4 | 13.3 | 12.8 | 14.3 | 14.7 | 11.8 | 14.0 | 12.7 | 23.1 | 16.6 | 23.9 | 21.6 | 17.0 | 19.4 | 19.5 | 21.9 | 21.5 | 23.9 | 17.2 | 13.0 |
Nb | 0.1 | 142.5 | 117.0 | 106.5 | 135.0 | 140.5 | 103.5 | 125.5 | 117.0 | 208.0 | 163.5 | 201.0 | 193.5 | 156.5 | 171.5 | 177.0 | 204.0 | 197.5 | 208.0 | 148.5 | 111.0 |
Ta | 0.1 | 8.3 | 7.1 | 6.3 | 8.0 | 8.7 | 6.2 | 7.5 | 7.1 | 12.0 | 9.5 | 11.8 | 11.6 | 8.8 | 10.3 | 10.5 | 12.2 | 11.8 | 12.5 | 8.7 | 6.4 |
La (ppm) | 0.1 | 170.5 | 314.0 | 161.0 | 284.0 | 171.5 | 174.5 | 134.5 | 128.0 | 44.0 | 53.7 | 21.1 | 61.7 | 6.9 | 6.2 | 5.3 | 7.6 | 8.1 | 8.3 | 4.6 | 3.7 |
Ce | 0.1 | 287.0 | 265.0 | 314.0 | 364.0 | 349.0 | 380.0 | 339.0 | 322.0 | 285.0 | 516.0 | 446.0 | 522.0 | 182.5 | 174.0 | 196.0 | 242.0 | 198.0 | 413.0 | 164.0 | 138.0 |
Pr | 0.02 | 50.10 | 130.50 | 47.00 | 72.70 | 34.30 | 37.10 | 31.00 | 26.80 | 9.14 | 10.50 | 5.05 | 13.75 | 1.71 | 1.58 | 1.59 | 1.90 | 2.31 | 2.61 | 1.06 | 0.88 |
Nd | 0.1 | 179.5 | 453.0 | 189.0 | 213.0 | 126.5 | 135.0 | 112.5 | 94.8 | 31.3 | 32.1 | 16.8 | 44.5 | 6.9 | 5.5 | 6.9 | 6.9 | 8.5 | 8.7 | 3.6 | 3.0 |
Sm | 0.03 | 24.40 | 61.30 | 33.50 | 33.60 | 26.50 | 25.00 | 19.55 | 15.85 | 4.94 | 4.81 | 4.42 | 6.83 | 2.81 | 1.54 | 2.15 | 1.91 | 2.26 | 1.57 | 0.86 | 0.87 |
Eu | 0.02 | 4.68 | 13.80 | 7.11 | 7.68 | 6.22 | 5.90 | 5.01 | 3.96 | 1.17 | 1.17 | 1.24 | 1.70 | 0.89 | 0.38 | 0.50 | 0.48 | 0.52 | 0.37 | 0.21 | 0.23 |
Gd | 0.05 | 12.65 | 38.40 | 19.55 | 22.50 | 18.75 | 18.25 | 16.85 | 12.40 | 3.89 | 3.76 | 4.94 | 5.41 | 3.83 | 1.53 | 1.84 | 1.90 | 2.10 | 1.56 | 1.06 | 0.86 |
Tb | 0.01 | 1.91 | 5.42 | 3.07 | 3.50 | 2.84 | 2.71 | 2.46 | 1.78 | 0.70 | 0.67 | 0.85 | 0.92 | 0.54 | 0.30 | 0.33 | 0.36 | 0.40 | 0.33 | 0.23 | 0.21 |
Dy | 0.05 | 12.55 | 29.90 | 18.30 | 19.60 | 15.80 | 14.45 | 14.00 | 10.40 | 4.43 | 4.14 | 5.01 | 5.64 | 3.12 | 2.00 | 2.18 | 2.40 | 2.50 | 2.21 | 1.64 | 1.40 |
Ho | 0.01 | 2.52 | 5.18 | 3.29 | 3.43 | 2.90 | 2.61 | 2.67 | 1.90 | 0.97 | 0.81 | 0.98 | 1.12 | 0.60 | 0.46 | 0.47 | 0.53 | 0.54 | 0.52 | 0.38 | 0.32 |
Er | 0.03 | 7.23 | 13.95 | 9.47 | 9.55 | 8.33 | 7.04 | 7.55 | 5.39 | 2.99 | 2.44 | 2.76 | 3.33 | 1.76 | 1.50 | 1.52 | 1.73 | 1.74 | 1.66 | 1.31 | 1.03 |
Tm | 0.01 | 1.09 | 2.20 | 1.56 | 1.46 | 1.26 | 1.05 | 1.11 | 0.82 | 0.47 | 0.40 | 0.41 | 0.52 | 0.26 | 0.24 | 0.25 | 0.29 | 0.28 | 0.28 | 0.21 | 0.19 |
Yb | 0.03 | 7.18 | 15.00 | 10.70 | 9.81 | 8.19 | 6.74 | 7.36 | 5.29 | 3.27 | 2.77 | 2.74 | 3.57 | 1.80 | 1.81 | 1.77 | 2.03 | 1.99 | 1.99 | 1.53 | 1.26 |
Lu | 0.01 | 1.11 | 2.25 | 1.66 | 1.48 | 1.24 | 1.04 | 1.12 | 0.83 | 0.51 | 0.42 | 0.41 | 0.55 | 0.28 | 0.26 | 0.27 | 0.31 | 0.30 | 0.32 | 0.25 | 0.20 |
LREE (La–Sm) | – | 711.50 | 1223.80 | 744.50 | 967.30 | 707.80 | 751.60 | 636.55 | 587.45 | 374.38 | 617.11 | 493.37 | 648.78 | 200.82 | 188.82 | 211.94 | 260.31 | 219.17 | 434.18 | 174.12 | 146.45 |
HREE (Eu–Lu) | – | 50.92 | 126.10 | 74.71 | 79.01 | 65.53 | 59.79 | 58.13 | 42.77 | 18.40 | 16.58 | 19.34 | 22.76 | 13.08 | 8.48 | 9.13 | 10.03 | 10.37 | 9.24 | 6.82 | 5.70 |
REE (La–Lu) | – | 762.42 | 1349.90 | 819.21 | 1046.31 | 773.33 | 811.39 | 694.68 | 630.22 | 392.78 | 633.69 | 512.71 | 671.54 | 213.90 | 197.30 | 221.07 | 270.34 | 229.54 | 443.42 | 180.94 | 152.15 |
(La/Yb)N | – | 17.03 | 15.02 | 10.79 | 20.77 | 15.02 | 18.57 | 13.11 | 17.36 | 9.65 | 13.91 | 5.52 | 12.40 | 2.75 | 2.46 | 2.15 | 2.69 | 2.92 | 2.99 | 2.16 | 2.11 |
(LREE/HREE)N | – | 8.92 | 6.19 | 6.36 | 7.81 | 6.89 | 8.02 | 6.99 | 8.76 | 12.98 | 23.75 | 16.28 | 18.19 | 9.80 | 14.21 | 14.81 | 16.56 | 13.49 | 29.98 | 16.29 | 16.39 |
Ce/Ce* | – | 0.75 | 0.32 | 0.87 | 0.61 | 1.05 | 1.10 | 1.24 | 1.28 | 3.30 | 5.00 | 10.25 | 4.21 | 12.66 | 13.29 | 16.38 | 15.19 | 11.06 | 21.60 | 17.53 | 18.13 |
J1-2 | J2-2 | J3-2 | J4-2 | J5-2 | J6-2 | J7-2 | J8-2 | J9-2 | J10-2 | J11-2 | J12-2 | J13-2 | J14-2 | J15-2 | J16-2 | J17-2 | J18-2 | J19-2 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 (wt%) | 38.00 | 21.20 | 15.07 | 27.42 | 32.85 | 7.83 | 45.96 | 44.70 | 41.17 | 15.09 | 41.33 | 35.31 | 27.31 | 5.56 | 8.38 | 15.20 | 8.29 | 4.30 | 3.44 |
Al2O3 | 33.73 | 44.29 | 30.80 | 36.54 | 34.87 | 48.80 | 30.41 | 28.51 | 37.20 | 52.13 | 36.08 | 33.92 | 36.19 | 48.30 | 50.03 | 43.52 | 64.04 | 54.37 | 47.07 |
TiO2 | 4.25 | 5.35 | 3.60 | 3.95 | 3.60 | 5.80 | 1.37 | 1.35 | 3.59 | 6.81 | 3.75 | 3.73 | 4.61 | 5.82 | 5.38 | 4.71 | 8.40 | 7.23 | 4.81 |
Fe2O3 | 6.67 | 15.30 | 40.02 | 18.92 | 15.06 | 23.06 | 3.86 | 7.62 | 1.41 | 11.52 | 3.34 | 13.76 | 19.62 | 26.12 | 19.72 | 23.96 | 4.09 | 17.89 | 21.93 |
K2O | 0.29 | 0.13 | 0.25 | 0.25 | 0.25 | 0.52 | 7.37 | 7.05 | 1.62 | 1.82 | 1.62 | 0.34 | 0.35 | 0.32 | 0.26 | 1.18 | 0.33 | 0.38 | 0.49 |
CaO | 0.15 | 0.12 | 0.50 | 0.10 | 0.08 | 1.11 | 0.36 | 0.31 | 0.15 | 0.11 | 0.10 | 0.08 | 0.07 | 1.00 | 2.00 | 0.14 | 0.12 | 1.14 | 6.81 |
MgO | 0.13 | 0.12 | 0.12 | 0.17 | 0.16 | 0.26 | 1.47 | 1.50 | 0.36 | 0.20 | 0.30 | 0.13 | 0.15 | 0.27 | 0.46 | 0.17 | 0.10 | 0.79 | 0.55 |
MnO | < 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.15 | 0.40 | 0.11 | 0.02 | < 0.01 | < 0.01 | 0.01 | 0.03 | 0.29 | 0.01 | 0.02 | 0.01 | 0.12 | 0.13 |
Na2O | 0.05 | 0.04 | 0.04 | 0.07 | 0.05 | 0.05 | 0.24 | 0.24 | 0.09 | 0.05 | 0.12 | 0.07 | 0.08 | 0.06 | 0.05 | 0.06 | 0.06 | 0.06 | 0.05 |
P2O5 | 0.20 | 0.22 | 0.15 | 0.14 | 0.15 | 0.10 | 0.16 | 0.15 | 0.13 | 0.12 | 0.14 | 0.13 | 0.14 | 0.03 | 0.14 | 0.09 | 0.22 | 0.07 | 0.06 |
LOI | 15.22 | 12.22 | 8.85 | 11.16 | 11.82 | 11.91 | 7.81 | 7.30 | 12.79 | 11.28 | 12.10 | 11.94 | 11.11 | 11.85 | 12.67 | 10.21 | 13.32 | 12.85 | 15.25 |
Sum | 98.69 | 99.00 | 99.42 | 98.74 | 98.91 | 99.59 | 99.41 | 98.84 | 98.53 | 99.13 | 98.88 | 99.42 | 99.66 | 99.62 | 99.10 | 99.26 | 98.98 | 99.20 | 100.59 |
Li (ppm) | 631.0 | 438.0 | 232.0 | 463.0 | 612.0 | 680.0 | 245.0 | 94.8 | 723.0 | 343.0 | 669.0 | 613.0 | 534.0 | 368.0 | 127.0 | 254.0 | 168.5 | 154.0 | 115.5 |
Co | 78.1 | 17.6 | 19.0 | 23.7 | 30.6 | 67.7 | 38.5 | 29.2 | 102.5 | 4.4 | 23.5 | 22.6 | 24.4 | 35.7 | 16.2 | 12.0 | 27.4 | 113.5 | 49.7 |
V | 423 | 574 | 756 | 496 | 452 | 721 | 257 | 242 | 567 | 634 | 470 | 453 | 507 | 652 | 663 | 636 | 818 | 722 | 586 |
Ga | 35.7 | 60.2 | 57.2 | 51.8 | 38.3 | 68.6 | 53.5 | 40.9 | 35.1 | 76.5 | 38.7 | 41.4 | 50.7 | 72.4 | 70.6 | 67.9 | 94.8 | 78.8 | 62.6 |
Hf | 16.4 | 20.5 | 14.0 | 15.4 | 13.6 | 23.0 | 8.0 | 8.1 | 14.8 | 27.2 | 14.7 | 15.2 | 16.8 | 21.8 | 20.4 | 19.2 | 32.2 | 26.7 | 18.0 |
Nb | 142.5 | 173.0 | 118.5 | 136.0 | 124.5 | 175.0 | 30.1 | 26.7 | 115.0 | 214.0 | 117.5 | 121.0 | 145.0 | 179.0 | 163.0 | 141.5 | 264.0 | 221.0 | 150.0 |
Ta | 8.6 | 10.7 | 7.1 | 8.2 | 7.3 | 10.8 | 2.0 | 1.9 | 7.0 | 13.2 | 7.2 | 7.3 | 8.9 | 10.4 | 9.8 | 8.3 | 15.8 | 13.4 | 8.8 |
La (ppm) | 136.0 | 128.5 | 88.9 | 152.0 | 178.5 | 20.7 | 59.5 | 57.9 | 144.0 | 45.8 | 116.0 | 196.5 | 187.5 | 7.9 | 26.2 | 63.4 | 89.9 | 26.2 | 10.8 |
Ce | 223.0 | 321.0 | 346.0 | 250.0 | 367.0 | 199.0 | 141.0 | 129.0 | 233.0 | 237.0 | 262.0 | 337.0 | 393.0 | 90.9 | 270.0 | 178.5 | 400.0 | 180.5 | 149.5 |
Pr | 28.70 | 22.50 | 18.20 | 29.60 | 34.00 | 4.73 | 13.50 | 13.55 | 38.70 | 12.25 | 29.10 | 32.10 | 34.20 | 1.99 | 7.67 | 16.20 | 22.80 | 5.62 | 3.12 |
Nd | 106.0 | 79.9 | 68.9 | 104.5 | 117.5 | 16.1 | 48.4 | 51.1 | 141.5 | 49.1 | 115.0 | 103.0 | 116.5 | 7.5 | 35.7 | 61.0 | 87.4 | 18.5 | 12.1 |
Sm | 18.85 | 15.60 | 13.25 | 21.00 | 19.65 | 3.41 | 9.57 | 10.15 | 21.40 | 13.25 | 20.90 | 16.90 | 22.70 | 2.43 | 11.40 | 13.15 | 17.25 | 4.48 | 3.48 |
Eu | 4.17 | 3.65 | 2.93 | 4.81 | 4.27 | 0.98 | 1.84 | 1.83 | 4.17 | 3.29 | 4.21 | 3.47 | 6.09 | 0.61 | 2.78 | 3.11 | 3.50 | 1.20 | 0.86 |
Gd | 13.00 | 12.10 | 9.29 | 14.20 | 12.90 | 3.92 | 6.59 | 7.26 | 12.70 | 11.35 | 10.80 | 9.72 | 22.30 | 2.55 | 9.92 | 10.45 | 11.95 | 5.02 | 3.75 |
Tb | 1.76 | 1.82 | 1.57 | 2.14 | 1.98 | 0.68 | 0.98 | 1.12 | 2.11 | 1.89 | 1.55 | 1.55 | 4.08 | 0.47 | 1.69 | 1.82 | 1.87 | 0.84 | 0.61 |
Dy | 9.25 | 10.40 | 9.24 | 11.90 | 11.20 | 3.95 | 5.77 | 7.06 | 13.00 | 11.55 | 8.49 | 9.31 | 23.30 | 3.27 | 10.30 | 11.85 | 10.75 | 4.79 | 3.55 |
Ho | 1.74 | 2.03 | 1.81 | 2.35 | 2.12 | 0.79 | 1.23 | 1.46 | 2.48 | 2.27 | 1.61 | 1.80 | 4.36 | 0.70 | 2.14 | 2.48 | 2.12 | 0.95 | 0.66 |
Er | 4.84 | 5.86 | 5.28 | 6.62 | 6.21 | 2.25 | 3.81 | 4.30 | 7.42 | 6.83 | 4.76 | 5.56 | 11.90 | 2.29 | 6.15 | 7.56 | 5.91 | 2.84 | 1.86 |
Tm | 0.76 | 0.85 | 0.80 | 1.04 | 0.96 | 0.34 | 0.59 | 0.66 | 1.05 | 1.06 | 0.78 | 0.93 | 1.71 | 0.36 | 0.90 | 1.14 | 0.86 | 0.43 | 0.28 |
Yb | 4.90 | 5.52 | 5.17 | 6.81 | 6.37 | 2.34 | 3.85 | 4.19 | 6.72 | 6.95 | 5.32 | 6.57 | 10.30 | 2.47 | 5.85 | 7.57 | 5.47 | 2.93 | 1.98 |
Lu | 0.75 | 0.84 | 0.78 | 1.07 | 0.96 | 0.37 | 0.58 | 0.65 | 1.01 | 1.08 | 0.85 | 1.02 | 1.54 | 0.38 | 0.88 | 1.17 | 0.82 | 0.47 | 0.31 |
LREE (La–Sm) (ppm) | 512.55 | 567.50 | 535.25 | 557.10 | 716.65 | 243.94 | 271.97 | 261.70 | 578.60 | 357.40 | 543.00 | 685.50 | 753.90 | 110.72 | 350.97 | 332.25 | 617.35 | 235.30 | 179.00 |
HREE (Eu–Lu) (ppm) | 41.17 | 43.07 | 36.87 | 50.94 | 46.97 | 15.62 | 25.24 | 28.53 | 50.66 | 46.27 | 38.37 | 39.93 | 85.58 | 13.10 | 40.61 | 47.15 | 43.25 | 19.47 | 13.86 |
REE (La–Lu) (ppm) | 553.72 | 610.57 | 572.12 | 608.04 | 763.62 | 259.56 | 297.21 | 290.23 | 629.26 | 403.67 | 581.37 | 725.43 | 839.48 | 123.82 | 391.58 | 379.40 | 660.60 | 254.77 | 192.86 |
(La/Yb)N | 19.91 | 16.70 | 12.33 | 16.01 | 20.10 | 6.35 | 11.09 | 9.91 | 15.37 | 4.73 | 15.64 | 21.45 | 13.06 | 2.29 | 3.21 | 6.01 | 11.79 | 6.41 | 3.91 |
(LREE/HREE)N | 7.94 | 8.41 | 9.26 | 6.98 | 9.74 | 9.96 | 6.88 | 5.85 | 7.29 | 4.93 | 9.03 | 10.95 | 5.62 | 5.39 | 5.51 | 4.50 | 9.11 | 7.71 | 8.24 |
Ce/Ce* | 0.83 | 1.35 | 2.00 | 0.86 | 1.08 | 4.74 | 1.17 | 1.09 | 0.75 | 2.40 | 1.08 | 0.94 | 1.12 | 5.47 | 4.61 | 1.33 | 2.11 | 3.48 | 6.23 |
