Research Article
The Au-Hosting Minerals and Process of Formation of the Carlin-Type Bojitian Deposit, Southwestern China
Table 7
Contents (ppm) of REEs and trace elements for ore and wall rock samples.
| Sample | Lithology | Type | Strata | V | Cr | Co | Ni | Cu | Zn | Ga | Rb | Sr | Y | Zr | Nb | Mo | Sn | Cs | Ba | Hf | Ta | W | Tl | Pb | Th | U |
| G2-05 | Marlstone | Wall rock | | 214 | 80 | 33.5 | 59 | 138 | 154 | 24.6 | 144 | 822 | 34.6 | 339 | 40.3 | 2 | 3 | 15.2 | 368 | 8.8 | 2.8 | 4 | 1 | 8 | 11.4 | 2.68 | G2-08 | Calcareous clay rock | Wall rock | P3d | 152 | 60 | 24 | 62 | 55 | 109 | 15.8 | 84.8 | 670 | 24.9 | 247 | 30.7 | 3 | 2 | 10.9 | 223 | 6.5 | 2.1 | 16 | 0.7 | 16 | 8.67 | 1.65 | G2-10 | Calcareous clay rock | Ore | P3d | 137 | 60 | 26.5 | 73 | 49 | 131 | 16 | 79.4 | 1155 | 20 | 244 | 30.9 | 3 | 3 | 8.96 | 251 | 6.6 | 2.1 | 41 | 1.1 | 7 | 7.72 | 2.03 | G2-11 | Bioclastic limestone | Wall rock | P3c | 38 | 20 | 5.4 | 28 | 12 | 38 | 5.2 | 27.8 | 1635 | 24.8 | 80 | 8.4 | 2 | 1 | 2.93 | 105 | 2.1 | 0.6 | 9 | bdl | bdl | 3.77 | 1.69 | G2-17 | Bioclastic limestone | Wall rock | P3c | 161 | 60 | 25.7 | 83 | 50 | 151 | 18.8 | 87.9 | 1050 | 26.6 | 307 | 38.2 | 3 | 3 | 12.75 | 550 | 7.9 | 2.5 | 11 | 0.9 | 13 | 10.05 | 2.03 | G2-26 | Breccia | Wall rock | | 72 | 40 | 11.6 | 33 | 33 | 76 | 11.7 | 50.3 | 911 | 18.6 | 148 | 12.6 | 3 | 2 | 4.62 | 99.6 | 3.7 | 0.9 | 12 | 1 | 7 | 5.16 | 3.18 | G2-31 | Limestone | Wall rock | | 60 | 40 | 13.1 | 29 | 30 | 48 | 7.4 | 35 | 1695 | 13.4 | 100 | 12.8 | 2 | 1 | 2.26 | 72.1 | 2.5 | 0.8 | 14 | bdl | bdl | 3.27 | 0.91 | G2-32 | Marlstone | Ore | | 148 | 100 | 28.2 | 62 | 44 | 100 | 15.9 | 89 | 700 | 23.1 | 232 | 31.2 | 2 | 2 | 6.31 | 172 | 5.9 | 2.1 | 25 | 0.8 | 6 | 7.53 | 1.48 | G2-33 | Marlstone | Ore | | 192 | 100 | 37.6 | 79 | 101 | 144 | 21.2 | 115.5 | 580 | 29.6 | 322 | 39.1 | 3 | 3 | 10.15 | 223 | 8.5 | 2.6 | 6 | 1.8 | 14 | 10 | 2 | G2-34 | Limestone | Wall rock | | 31 | 20 | 4.6 | 10 | 12 | 21 | 3.4 | 15.5 | 2190 | 8.4 | 46 | 5.2 | 2 | 1 | 1.4 | 58.1 | 1.2 | 0.3 | 3 | bdl | bdl | 1.5 | 0.63 | G2-35 | Limestone | Ore | | 78 | 50 | 14.1 | 31 | 28 | 56 | 8.1 | 37 | 1575 | 13.9 | 105 | 13.9 | 2 | 1 | 3.4 | 100 | 2.8 | 0.9 | 14 | 0.6 | bdl | 3.32 | 0.83 | G2-36 | Limestone | Wall rock | | 47 | 30 | 11.6 | 22 | 24 | 32 | 5.1 | 21.2 | 1840 | 11.8 | 67 | 8.4 | 2 | 1 | 2.24 | 52.3 | 1.7 | 0.5 | 4 | 0.5 | bdl | 2.14 | 0.6 | G2-37 | Marlstone | Ore | | 222 | 90 | 36.2 | 69 | 131 | 122 | 23 | 105 | 537 | 34.7 | 350 | 40.4 | 2 | 3 | 13.3 | 263 | 8.9 | 2.7 | 10 | 1.2 | 8 | 9.92 | 1.82 | G2-39 | Marlstone | Wall rock | | 107 | 50 | 15.9 | 32 | 39 | 69 | 10.1 | 49.9 | 1185 | 15.7 | 142 | 18.2 | 5 | 1 | 6.91 | 105 | 3.5 | 1.1 | 5 | bdl | bdl | 3.95 | 0.93 | G2-43 | Limestone | Wall rock | | 44 | 20 | 7.9 | 16 | 20 | 29 | 5.1 | 18.9 | 2120 | 10.1 | 70 | 7.8 | 3 | 1 | 2.18 | 81.3 | 1.7 | 0.5 | 1 | bdl | bdl | 2.1 | 0.95 | G2-45 | Marlstone | Wall rock | | 207 | 90 | 34.8 | 79 | 138 | 148 | 27.1 | 86 | 1285 | 41.4 | 415 | 49.5 | 2 | 4 | 13.2 | 156 | 10.7 | 3.4 | 15 | 0.5 | 6 | 12.75 | 2.31 | G2-48 | Marlstone | Wall rock | | 108 | 40 | 14.6 | 27 | 46 | 71 | 10.6 | 31.6 | 1220 | 21.1 | 166 | 19.9 | 2 | 1 | 4.16 | 85.3 | 4.1 | 1.3 | 12 | bdl | bdl | 5.12 | 1.31 |
| Sample | Lithology | Type | Strata | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | REE | LREE | HREE | LREE/HREE | δEu | δCe | |
| G2-05 | Marlstone | Wall rock | | 50 | 106 | 13.6 | 51 | 10 | 2.5 | 9.52 | 1.38 | 6.56 | 1.27 | 3.5 | 0.52 | 3.1 | 0.49 | 260 | 233 | 26.4 | 8.85 | 0.85 | 0.87 | 9.55 | G2-08 | Calcareous clay rock | Wall rock | P3d | 42 | 92 | 11 | 41 | 8.4 | 2 | 7.85 | 1.07 | 4.72 | 0.89 | 2.4 | 0.34 | 2 | 0.32 | 215 | 196 | 19.6 | 9.96 | 0.82 | 0.92 | 12.29 | G2-10 | Calcareous clay rock | Ore | P3d | 40 | 82 | 9.46 | 34 | 6 | 1.5 | 5.74 | 0.77 | 3.68 | 0.73 | 2.1 | 0.29 | 1.8 | 0.27 | 188 | 173 | 15.3 | 11.26 | 0.82 | 0.89 | 13.27 | G2-11 | Bioclastic limestone | Wall rock | P3c | 24 | 42 | 5.36 | 20 | 4.1 | 1.3 | 4.27 | 0.65 | 3.36 | 0.72 | 2.1 | 0.32 | 2.1 | 0.33 | 111 | 96.7 | 13.8 | 6.99 | 1.00 | 0.76 | 7.00 | G2-17 | Bioclastic limestone | Wall rock | P3c | 48 | 101 | 12.6 | 46 | 9.5 | 2.3 | 8.82 | 1.18 | 5.44 | 0.99 | 2.8 | 0.39 | 2.3 | 0.35 | 242 | 220 | 22.3 | 9.86 | 0.82 | 0.88 | 12.18 | G2-26 | Breccia | Wall rock | | 20 | 39 | 5.08 | 20 | 6.2 | 2 | 6.24 | 0.88 | 3.72 | 0.67 | 1.7 | 0.25 | 1.6 | 0.24 | 108 | 92.5 | 15.3 | 6.05 | 1.07 | 0.82 | 7.52 | G2-31 | Limestone | Wall rock | | 21 | 43 | 5.17 | 19 | 3.7 | 0.8 | 3.58 | 0.5 | 2.34 | 0.45 | 1.2 | 0.17 | 1.1 | 0.16 | 102 | 92.7 | 9.5 | 9.76 | 0.76 | 0.88 | 11.71 | G2-32 | Marlstone | Ore | | 39 | 81 | 10.1 | 37 | 6.9 | 1.7 | 6.58 | 0.91 | 4.26 | 0.83 | 2.4 | 0.33 | 2.1 | 0.32 | 193 | 175 | 17.6 | 9.94 | 0.83 | 0.87 | 11.35 | G2-33 | Marlstone | Ore | | 48 | 102 | 13.3 | 49 | 9.2 | 2.4 | 8.74 | 1.2 | 5.58 | 1.12 | 3.1 | 0.43 | 2.7 | 0.40 | 247 | 224 | 23.3 | 9.62 | 0.88 | 0.87 | 10.66 | G2-34 | Limestone | Wall rock | | 11 | 20 | 2.62 | 10 | 2 | 0.5 | 2.01 | 0.29 | 1.37 | 0.27 | 0.8 | 0.11 | 0.6 | 0.1 | 50.9 | 45.4 | 5.5 | 8.25 | 0.84 | 0.82 | 10.39 | G2-35 | Limestone | Ore | | 20 | 41 | 5.07 | 19 | 3.8 | 1.1 | 3.82 | 0.53 | 2.53 | 0.49 | 1.3 | 0.19 | 1.1 | 0.18 | 100 | 90.1 | 10.2 | 8.83 | 0.97 | 0.88 | 10.4 | G2-36 | Limestone | Wall rock | | 18 | 35 | 4.29 | 16 | 3.1 | 0.9 | 3.02 | 0.41 | 1.94 | 0.37 | 1.1 | 0.15 | 0.9 | 0.13 | 84.8 | 76.9 | 7.95 | 9.67 | 0.94 | 0.84 | 12.35 | G2-37 | Marlstone | Ore | | 52 | 110 | 14.2 | 53 | 11 | 2.8 | 9.75 | 1.38 | 6.46 | 1.27 | 3.5 | 0.5 | 3.1 | 0.46 | 269 | 243 | 26.4 | 9.20 | 0.90 | 0.87 | 10.15 | G2-39 | Marlstone | Wall rock | | 22 | 46 | 5.86 | 22 | 4.4 | 1.1 | 4.25 | 0.6 | 2.84 | 0.56 | 1.6 | 0.22 | 1.3 | 0.2 | 113 | 102 | 11.5 | 8.83 | 0.87 | 0.87 | 10.11 | G2-43 | Limestone | Wall rock | | 12 | 25 | 3.12 | 12 | 2.4 | 0.6 | 2.39 | 0.35 | 1.71 | 0.33 | 0.9 | 0.13 | 0.8 | 0.12 | 60.9 | 54.2 | 6.77 | 8.00 | 0.84 | 0.87 | 8.65 | G2-45 | Marlstone | Wall rock | | 64 | 134 | 16.9 | 62 | 12 | 3 | 11.1 | 1.53 | 7.54 | 1.48 | 4.3 | 0.61 | 3.7 | 0.57 | 322 | 291 | 30.8 | 9.47 | 0.85 | 0.87 | 10.3 | G2-48 | Marlstone | Wall rock | | 34 | 66 | 7.69 | 27 | 5.4 | 1.6 | 5.25 | 0.78 | 3.67 | 0.7 | 2 | 0.27 | 1.7 | 0.26 | 157 | 142 | 14.5 | 9.78 | 0.98 | 0.86 | 12.2 |
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Note. “bdl”: below the detection limit.
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