Geochronological, Geochemical and Pb Isotope Inferences for Genesis of Wulandele Porphyry Molybdenum Deposit, Inner Mongolia, Northeast China
Abstract
:1. Introduction
2. Geological Framework
2.1. Regional Geology
2.2. Ore Deposit Geology
2.2.1. Host Rocks
2.2.2. Ore Bodies
2.2.3. Ore Characteristics
2.3. Sampling
3. Analytical Methods
3.1. Zircon U-Pb Dating
3.2. Whole-Rock Major and Trace Elements
3.3. Pb Isotopes
4. Results
4.1. LA-ICP-MS Zircon U-Pb Age
4.2. Major and Trace Elements
4.3. Pb Isotope
5. Discussion
5.1. Timing of Granitoids from WLDL
5.2. Petrogenesis and Magma Source
5.3. Implication for Tectonic Setting and Porphyry Mo Mineralization
6. Conclusions
- U-Pb zircon data indicate that the quartz diorite and monzonitic granite crystallized at 282.5 ± 2.4 Ma (N = 23, MSWD = 0.14) and 135.4 ± 2.1 Ma (N = 18, MSWD = 1.7), respectively. These ages agree with geological observations that Permian granitoids (quartz diorite and granodiorite) are the host rocks of the Wulandele Mo deposit, while Cretaceous granite is the causative intrusion.
- Geochemical and isotopic data reveal that the high-K calc-alkaline Permian granitoids, classified as I-type intrusions, underwent extensive fractional crystallization in a continental arc environment. In contrast, the Cretaceous monzonitic granite, characterized as A-type, resulted from partial melting of the crust within an intraplate tectonic setting.
- Distinct from the majority of classical porphyry deposits, which are primarily associated with I-type granitoids, the Wulandele porphyry Mo deposit stands out as a product of an intraplate Cretaceous A-type magmatic event. The widespread presence of A-type intrusions in the GXR region implies that A-type granite-related porphyry Mo deposits should be considered as important targets for future exploration.
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Sample | WL-6 | WL-7 | WL-9 | WL-20 | WL-29 | WL-32 | WL-33 | WL-14 | WL-15 | WL-23 | WL-24 |
---|---|---|---|---|---|---|---|---|---|---|---|
Lithology | Quartz Diorite | Granodiorite | |||||||||
SiO2 | 46.04 | 50 | 53.97 | 49.87 | 46.65 | 47.47 | 48.77 | 64.61 | 66.12 | 64.21 | 62.14 |
Al2O3 | 13.61 | 13.88 | 15.73 | 14.57 | 12.84 | 14.32 | 14.7 | 16.25 | 15.65 | 15.86 | 15.03 |
Fe2O3 | 4.59 | 5.1 | 3.38 | 3.25 | 4.44 | 4.3 | 3.55 | 2.04 | 1.68 | 1.94 | 1.36 |
FeO | 9.56 | 8.32 | 6.58 | 8.79 | 9.94 | 8.91 | 8.79 | 3.24 | 3.21 | 4.02 | 3.32 |
MgO | 5.93 | 4.64 | 4.36 | 5.03 | 5.85 | 5.35 | 4.5 | 1.56 | 1.46 | 1.78 | 1.38 |
CaO | 9.39 | 7.65 | 6.7 | 7.98 | 9.01 | 9.15 | 6.47 | 2.94 | 2.81 | 3.26 | 2.57 |
Na2O | 2.53 | 2.88 | 3.23 | 3.48 | 2.72 | 2.94 | 3.02 | 3.25 | 3.42 | 3.06 | 2.8 |
K2O | 1.21 | 1.85 | 2.16 | 1.3 | 1.3 | 1.34 | 1.54 | 4.11 | 3.73 | 3.58 | 4.36 |
MnO | 0.21 | 0.2 | 0.16 | 0.2 | 0.23 | 0.24 | 0.24 | 0.09 | 0.12 | 0.11 | 0.1 |
P2O5 | 2.25 | 1.59 | 0.84 | 1.69 | 1.93 | 1.99 | 1.93 | 0.32 | 0.34 | 0.34 | 0.27 |
TiO2 | 3.99 | 3.17 | 1.85 | 3.24 | 4.49 | 3.52 | 3.37 | 0.78 | 0.73 | 0.9 | 0.7 |
LOI | 0.4 | 0.45 | 0.78 | 0.41 | 0.37 | 0.21 | 2.84 | 0.62 | 0.59 | 0.77 | 5.89 |
Total | 99.72 | 99.73 | 99.75 | 99.79 | 99.8 | 99.73 | 99.72 | 99.81 | 99.85 | 99.83 | 99.94 |
σ | 4.22 | 3.08 | 2.58 | 3.23 | 4.2 | 3.94 | 3.02 | 2.49 | 2.2 | 2.06 | 2.52 |
DI | 30.93 | 40.99 | 47.18 | 40.03 | 33.37 | 34.81 | 42.36 | 73 | 74.42 | 69.51 | 74.23 |
A/CNK | 0.6 | 0.67 | 0.79 | 0.67 | 0.58 | 0.63 | 0.8 | 1.07 | 1.06 | 1.07 | 1.07 |
A/NK | 3.64 | 2.94 | 2.92 | 3.05 | 3.19 | 3.35 | 3.23 | 2.21 | 2.19 | 2.39 | 2.1 |
Rb | 89 | 81 | 92 | 50 | 79 | 73 | 189 | 169 | 262 | 149 | 193 |
Ba | 192 | 357 | 404 | 299 | 262 | 266 | 149 | 988 | 928 | 896 | 1025 |
Th | 30.8 | 16.5 | 12.6 | 13.8 | 18 | 25.3 | 11.9 | 9.4 | 14 | 19.8 | 17.2 |
U | 1.1 | 1.9 | 2.2 | 1.7 | 1.6 | 1.9 | 3 | 4.3 | 4.1 | 2.7 | 3.5 |
Nb | 12.2 | 19.1 | 18.6 | 12.7 | 15.8 | 15.3 | 26.4 | 21.4 | 21.6 | 22.9 | 21.9 |
Ta | 0.92 | 1.36 | 1.18 | 0.96 | 1.11 | 1.07 | 1.08 | 1.44 | 1.34 | 1.41 | 1.49 |
K | 10,045 | 15,358 | 17,931 | 10,792 | 10,792 | 11,124 | 12,784 | 34,119 | 30,965 | 29,719 | 36,195 |
Pb | 8.1 | 10.1 | 13.8 | 9.1 | 7.4 | 7.9 | 8.7 | 25 | 22 | 21.9 | 26 |
Sr | 446 | 366 | 415 | 444 | 359 | 494 | 391 | 244 | 256 | 269 | 257 |
P | 9819 | 6939 | 3666 | 7375 | 8423 | 8685 | 8423 | 1397 | 1484 | 1484 | 1178 |
Zr | 145 | 203 | 295 | 214 | 206 | 144 | 169 | 383 | 458 | 487 | 430 |
Hf | 8.2 | 12.6 | 13.7 | 12.8 | 11.4 | 8 | 9.9 | 17.2 | 18 | 18.9 | 19.8 |
Sc | 33.6 | 34.4 | 26.9 | 26.3 | 32.4 | 35.2 | 31.1 | 14.7 | 15 | 17 | 15.4 |
Ti | 23,920 | 19,004 | 11,091 | 19,424 | 26,918 | 21,103 | 20,203 | 4676 | 4376 | 5396 | 4197 |
Y | 57.27 | 66.6 | 46.98 | 54.2 | 62.57 | 60 | 70.17 | 49.36 | 44.87 | 54.96 | 50.93 |
V | 499 | 341 | 221 | 348 | 473 | 362 | 297 | 65 | 64 | 73 | 60 |
Cr | 2.5 | 2.6 | 24.3 | 3.8 | 3.4 | 2.5 | 2.5 | 18.2 | 17.8 | 22 | 15.2 |
Co | 52.8 | 37.5 | 30.6 | 39.5 | 51.9 | 43.2 | 30.5 | 9 | 8.5 | 9.8 | 8.6 |
Ni | 15.3 | 12.1 | 20.7 | 11.4 | 17.8 | 10.3 | 7.2 | 11.2 | 10.8 | 12.8 | 11.1 |
La | 50 | 57 | 43 | 46 | 51 | 51 | 60 | 33 | 54 | 51 | 47 |
Ce | 119 | 138 | 98 | 109 | 127 | 124 | 146 | 67 | 112 | 107 | 94 |
Pr | 17.5 | 19.2 | 13 | 15.5 | 18.2 | 17.7 | 19.9 | 8.8 | 13.8 | 13.4 | 12.2 |
Nd | 83 | 86 | 57 | 71 | 84 | 83 | 91 | 38 | 55 | 56 | 49 |
Sm | 17.2 | 17.6 | 11.7 | 14.7 | 17.8 | 17.3 | 18.4 | 8.5 | 10.3 | 11.7 | 10.3 |
Eu | 3.5 | 3.58 | 2.43 | 3.25 | 3.48 | 3.7 | 3.52 | 2.39 | 2.32 | 2.52 | 2.36 |
Gd | 14.5 | 15.42 | 10.33 | 12.76 | 15.29 | 15.04 | 15.83 | 8.15 | 9.05 | 10.43 | 9.21 |
Tb | 2.18 | 2.34 | 1.62 | 1.92 | 2.26 | 2.24 | 2.37 | 1.44 | 1.43 | 1.72 | 1.54 |
Dy | 11.25 | 12.66 | 8.94 | 10.33 | 11.92 | 11.49 | 12.55 | 8.38 | 7.92 | 9.87 | 8.93 |
Ho | 2.04 | 2.33 | 1.67 | 1.89 | 2.19 | 2.1 | 2.34 | 1.64 | 1.52 | 1.91 | 1.71 |
Er | 5.38 | 6.37 | 4.51 | 5.08 | 5.77 | 5.52 | 6.22 | 4.74 | 4.28 | 5.25 | 4.79 |
Tm | 0.76 | 0.94 | 0.7 | 0.72 | 0.81 | 0.78 | 0.91 | 0.78 | 0.67 | 0.81 | 0.77 |
Yb | 4.46 | 5.59 | 4.31 | 4.35 | 4.91 | 4.69 | 5.46 | 4.79 | 4.09 | 5.03 | 4.74 |
Lu | 0.64 | 0.83 | 0.64 | 0.62 | 0.74 | 0.69 | 0.8 | 0.71 | 0.61 | 0.76 | 0.71 |
ΣREE | 331.28 | 368.65 | 257.44 | 297.02 | 344.66 | 339.73 | 384.91 | 187.27 | 277.8 | 277.55 | 247.02 |
LREE/HREE | 7.04 | 6.93 | 6.87 | 6.89 | 6.85 | 6.99 | 7.28 | 5.11 | 8.4 | 6.76 | 6.62 |
LaN/YbN | 8.08 | 7.33 | 7.15 | 7.54 | 7.44 | 7.8 | 7.91 | 4.88 | 9.54 | 7.22 | 7.09 |
δEu | 0.66 | 0.65 | 0.66 | 0.71 | 0.63 | 0.69 | 0.61 | 0.86 | 0.72 | 0.68 | 0.73 |
SiO2 | 65.67 | 66.17 | 68.25 | 76.02 | 75.13 | 73.93 | 72.92 | 74.26 | 72.85 | 79.78 | 76.65 |
Al2O3 | 15.74 | 15.59 | 15.01 | 12.99 | 13.73 | 13.9 | 14.55 | 14.1 | 14.38 | 11.8 | 13.13 |
Fe2O3 | 1.56 | 1.41 | 1.4 | 0.43 | 0.46 | 0.63 | 0.52 | 0.51 | 0.65 | 0.11 | 0.29 |
FeO | 3.49 | 3.44 | 2.73 | 0.74 | 0.39 | 0.65 | 0.85 | 0.72 | 0.82 | 0.16 | 0.27 |
MgO | 1.45 | 1.43 | 1.26 | 0.32 | 0.19 | 0.33 | 0.37 | 0.2 | 0.39 | 0.12 | 0.1 |
CaO | 2.64 | 2.56 | 2.3 | 0.93 | 0.73 | 1 | 1 | 1.01 | 1.18 | 0.22 | 0.59 |
Na2O | 3.14 | 2.92 | 3.04 | 3.18 | 3.77 | 3.58 | 3.65 | 4.1 | 3.61 | 2.31 | 3.8 |
K2O | 4.35 | 4.6 | 4.28 | 4.54 | 4.71 | 4.48 | 4.74 | 4.07 | 4.81 | 3.95 | 4.44 |
MnO | 0.1 | 0.09 | 0.09 | 0.04 | 0.03 | 0.04 | 0.04 | 0.03 | 0.05 | 0.01 | 0.02 |
P2O5 | 0.26 | 0.26 | 0.22 | 0.12 | 0.05 | 0.12 | 0.1 | 0.13 | 0.12 | 0.11 | 0.04 |
TiO2 | 0.69 | 0.72 | 0.59 | 0.19 | 0.11 | 0.19 | 0.2 | 0.19 | 0.2 | 0.07 | 0.08 |
LOI | 0.74 | 0.7 | 0.69 | 0.47 | 0.51 | 1.06 | 0.88 | 0.52 | 0.84 | 1.27 | 0.53 |
Total | 99.82 | 99.88 | 99.86 | 99.97 | 99.83 | 99.9 | 99.83 | 99.85 | 99.88 | 99.93 | 99.94 |
σ | 2.46 | 2.43 | 2.11 | 1.8 | 2.24 | 2.09 | 2.35 | 2.13 | 2.37 | 1.06 | 2.01 |
DI | 74.55 | 75.11 | 78.12 | 91.82 | 93.66 | 91.15 | 90.5 | 91.78 | 90.07 | 95 | 95.08 |
A/CNK | 1.07 | 1.08 | 1.09 | 1.1 | 1.09 | 1.11 | 1.12 | 1.09 | 1.08 | 1.39 | 1.08 |
A/NK | 2.1 | 2.07 | 2.05 | 1.68 | 1.62 | 1.73 | 1.73 | 1.72 | 1.71 | 1.89 | 1.59 |
Rb | 163 | 172 | 211 | 336 | 408 | 422 | 400 | 303 | 396 | 297 | 331 |
Ba | 1027 | 988 | 824 | 279 | 174 | 443 | 539 | 198 | 544 | 52 | 35 |
Th | 31.3 | 20.8 | 21.2 | 10.8 | 12.7 | 18.5 | 20.3 | 16.5 | 26 | 5.3 | 11 |
U | 2.3 | 4.3 | 5.1 | 11.6 | 18.9 | 9.8 | 17.8 | 7.3 | 7.7 | 19.8 | 14.9 |
Nb | 20.3 | 19.9 | 18.8 | 15.6 | 24.5 | 15.7 | 17.8 | 26.6 | 14.6 | 35.4 | 19.7 |
Ta | 1.25 | 1.22 | 1.7 | 2.56 | 4.38 | 1.69 | 2.17 | 4.03 | 1.53 | 7.19 | 3.36 |
K | 36,112 | 38,187 | 35,530 | 37,689 | 39,100 | 37,191 | 39,349 | 33,787 | 39,930 | 32,791 | 36,859 |
Pb | 25.7 | 26.5 | 24.4 | 25.9 | 27.1 | 29.7 | 31.1 | 25.7 | 27 | 29.3 | 32.2 |
Sr | 243 | 235 | 214 | 97 | 62 | 134 | 122 | 93 | 174 | 21 | 25 |
P | 1135 | 1135 | 960 | 524 | 218 | 524 | 436 | 567 | 524 | 480 | 175 |
Zr | 439 | 378 | 363 | 119 | 84 | 146 | 147 | 136 | 170 | 50 | 45 |
Hf | 18.2 | 15.1 | 13.5 | 4.7 | 4.1 | 4.6 | 4.5 | 5.6 | 4.9 | 3.5 | 2.6 |
Sc | 16.2 | 11.2 | 12.1 | 3 | 3.6 | 2.6 | 3.7 | 2.1 | 2.3 | 3.6 | 2.5 |
Ti | 4137 | 4316 | 3537 | 1139 | 659 | 1139 | 1199 | 1139 | 1199 | 420 | 480 |
Y | 52.83 | 39.86 | 35.03 | 12.45 | 19.54 | 11.62 | 13.29 | 20.2 | 10.1 | 26.76 | 16.17 |
V | 67 | 67 | 55 | 15 | 10 | 17 | 17 | 17 | 17 | 9 | 7 |
Cr | 15.1 | 15.8 | 11.7 | 2.1 | 3.3 | 2.9 | 2.5 | 2.9 | 2.5 | 2.5 | 4.5 |
Co | 8.9 | 8.6 | 7.6 | 1.5 | 0.7 | 1.8 | 1.3 | 1.1 | 1.8 | 0.2 | 0.5 |
Ni | 11.3 | 11.2 | 10.6 | 2.6 | 2.3 | 2.7 | 3 | 2.5 | 3 | 2.1 | 2.3 |
La | 90 | 51 | 63 | 22 | 21 | 31 | 33 | 38 | 37 | 11 | 12 |
Ce | 210 | 110 | 113 | 44 | 41 | 56 | 58 | 76 | 64 | 27 | 29 |
Pr | 22.8 | 13.7 | 13.6 | 5.3 | 5 | 6.5 | 6.8 | 9 | 7.3 | 3.4 | 3.8 |
Nd | 87 | 54 | 53 | 20 | 18 | 24 | 24 | 34 | 26 | 13 | 15 |
Sm | 15 | 9.9 | 9.9 | 3.8 | 4.2 | 4.2 | 4.2 | 6.8 | 4.3 | 3.7 | 4 |
Eu | 2.5 | 2.18 | 1.91 | 0.48 | 0.31 | 0.56 | 0.6 | 0.49 | 0.63 | 0.13 | 0.22 |
Gd | 12.22 | 8.34 | 8.17 | 2.88 | 3.39 | 3.18 | 3.19 | 4.98 | 3.17 | 3.18 | 3.07 |
Tb | 1.87 | 1.3 | 1.24 | 0.43 | 0.6 | 0.44 | 0.46 | 0.73 | 0.43 | 0.63 | 0.52 |
Dy | 9.64 | 7.05 | 6.68 | 2.05 | 3.25 | 2.01 | 2.25 | 3.69 | 1.88 | 3.8 | 2.85 |
Ho | 1.78 | 1.33 | 1.22 | 0.36 | 0.58 | 0.35 | 0.38 | 0.65 | 0.32 | 0.71 | 0.5 |
Er | 5.13 | 3.73 | 3.28 | 1.02 | 1.74 | 0.95 | 1.06 | 1.86 | 0.86 | 2.14 | 1.46 |
Tm | 0.78 | 0.59 | 0.45 | 0.17 | 0.3 | 0.15 | 0.17 | 0.32 | 0.13 | 0.39 | 0.25 |
Yb | 4.85 | 3.78 | 2.62 | 1.17 | 2.08 | 0.99 | 1.07 | 2.25 | 0.82 | 2.73 | 1.64 |
Lu | 0.73 | 0.58 | 0.37 | 0.17 | 0.31 | 0.15 | 0.16 | 0.33 | 0.11 | 0.41 | 0.25 |
ΣREE | 464.58 | 267.48 | 277.21 | 103.65 | 102.13 | 130.3 | 134.53 | 179.44 | 147.27 | 72.29 | 74.52 |
LREE/HREE | 11.56 | 9.02 | 10.53 | 11.59 | 7.34 | 14.85 | 14.39 | 11.12 | 18.1 | 4.17 | 6.07 |
LaN/YbN | 13.37 | 9.68 | 17.18 | 13.64 | 7.16 | 22.55 | 21.76 | 12.2 | 32.7 | 2.85 | 5.25 |
δEu | 0.55 | 0.71 | 0.63 | 0.42 | 0.25 | 0.45 | 0.48 | 0.25 | 0.49 | 0.11 | 0.18 |
Spots | Pb | U | Th | U/Pb | Th /U | 207Pb/206Pb | 1σ | 207Pb/235U | 1σ | 206Pb/238U | 1σ | 206Pb/238U | 1σ | %U-Pb disc |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WL20-01 | 9.4 | 151 | 201 | 16.06 | 1.34 | 0.0521 | 0.00156 | 0.3248 | 0.00979 | 0.04521 | 0.00069 | 285 | 7 | 0.35 |
WL20-02 | 5.9 | 101 | 109 | 17.12 | 1.08 | 0.05196 | 0.00193 | 0.31553 | 0.01168 | 0.04404 | 0.0007 | 278 | 8 | 0.00 |
WL20-03 | 17.4 | 300 | 314 | 17.24 | 1.05 | 0.05196 | 0.00123 | 0.32311 | 0.00785 | 0.0451 | 0.00066 | 284 | 7 | 0.00 |
WL20-05 | 10.1 | 161 | 225 | 15.94 | 1.40 | 0.05212 | 0.00152 | 0.32364 | 0.00954 | 0.04504 | 0.00068 | 284 | 7 | 0.35 |
WL20-06 | 7.4 | 116 | 169 | 15.68 | 1.46 | 0.05192 | 0.00176 | 0.32307 | 0.01095 | 0.04513 | 0.00071 | 285 | 7 | −0.35 |
WL20-07 | 6.2 | 102 | 130 | 16.45 | 1.27 | 0.05201 | 0.00186 | 0.3217 | 0.0115 | 0.04486 | 0.0007 | 283 | 7 | 0.00 |
WL20-08 | 18.4 | 297 | 398 | 16.14 | 1.34 | 0.05204 | 0.00125 | 0.32035 | 0.00787 | 0.04464 | 0.00066 | 282 | 7 | 0.00 |
WL20-09 | 17.7 | 270 | 437 | 15.25 | 1.62 | 0.05193 | 0.00126 | 0.31951 | 0.00789 | 0.04462 | 0.00066 | 281 | 7 | 0.36 |
WL20-10 | 11.9 | 189 | 261 | 15.88 | 1.39 | 0.05202 | 0.00139 | 0.32225 | 0.00875 | 0.04493 | 0.00067 | 283 | 7 | 0.35 |
WL20-11 | 8.1 | 125 | 179 | 15.43 | 1.44 | 0.05336 | 0.00183 | 0.331 | 0.01137 | 0.04499 | 0.0007 | 284 | 8 | 2.11 |
WL20-12 | 8.7 | 138 | 198 | 15.86 | 1.43 | 0.05186 | 0.00178 | 0.317 | 0.01086 | 0.04433 | 0.0007 | 280 | 7 | 0.00 |
WL20-13 | 11.3 | 179 | 252 | 15.84 | 1.41 | 0.05204 | 0.00147 | 0.31963 | 0.00914 | 0.04454 | 0.00067 | 281 | 7 | 0.36 |
WL20-14 | 8.3 | 138 | 164 | 16.63 | 1.19 | 0.05192 | 0.00164 | 0.32095 | 0.01016 | 0.04483 | 0.00069 | 283 | 7 | 0.00 |
WL20-15 | 7.1 | 113 | 160 | 15.92 | 1.42 | 0.05204 | 0.00194 | 0.32193 | 0.01201 | 0.04487 | 0.00071 | 283 | 7 | 0.00 |
WL20-16 | 11.5 | 180 | 260 | 15.65 | 1.44 | 0.05197 | 0.00138 | 0.32132 | 0.00864 | 0.04484 | 0.00068 | 283 | 7 | 0.00 |
WL20-17 | 12.0 | 204 | 210 | 17.00 | 1.03 | 0.05204 | 0.00142 | 0.32332 | 0.00889 | 0.04506 | 0.00068 | 284 | 8 | 0.00 |
WL20-18 | 9.1 | 147 | 190 | 16.15 | 1.30 | 0.05208 | 0.00156 | 0.32096 | 0.00966 | 0.0447 | 0.00068 | 282 | 7 | 0.35 |
WL20-20 | 9.6 | 157 | 200 | 16.35 | 1.27 | 0.05198 | 0.00154 | 0.32139 | 0.00961 | 0.04485 | 0.00068 | 283 | 7 | 0.00 |
WL20-21 | 15.0 | 233 | 340 | 15.53 | 1.46 | 0.05187 | 0.00127 | 0.32023 | 0.00803 | 0.04477 | 0.00066 | 282 | 7 | 0.00 |
WL20-22 | 11.5 | 180 | 250 | 15.65 | 1.39 | 0.05198 | 0.00141 | 0.32134 | 0.0088 | 0.04483 | 0.00067 | 283 | 8 | 0.00 |
WL20-23 | 11.3 | 177 | 254 | 15.66 | 1.43 | 0.05191 | 0.00144 | 0.3204 | 0.00898 | 0.04477 | 0.00068 | 282 | 8 | 0.00 |
WL20-24 | 18.2 | 296 | 349 | 16.26 | 1.18 | 0.05204 | 0.00122 | 0.32626 | 0.00785 | 0.04547 | 0.00066 | 287 | 7 | 0.00 |
WL20-25 | 15.3 | 228 | 378 | 14.90 | 1.66 | 0.05194 | 0.00129 | 0.3211 | 0.00812 | 0.04484 | 0.00066 | 283 | 7 | 0.00 |
WL17-01 | 19.7 | 805 | 392 | 40.86 | 0.49 | 0.04882 | 0.00128 | 0.14618 | 0.00386 | 0.02171 | 0.00032 | 138 | 4 | 0.72 |
WL17-03 | 2.4 | 87 | 87 | 36.25 | 1.00 | 0.05106 | 0.00417 | 0.14984 | 0.01214 | 0.02128 | 0.0004 | 136 | 6 | 1.45 |
WL17-04 | 8.3 | 316 | 291 | 38.07 | 0.92 | 0.04834 | 0.00164 | 0.13989 | 0.00473 | 0.02099 | 0.00033 | 134 | 4 | −2.17 |
WL17-05 | 21.0 | 814 | 534 | 38.76 | 0.66 | 0.04836 | 0.00127 | 0.14619 | 0.00387 | 0.02193 | 0.00033 | 140 | 4 | −2.16 |
WL17-07 | 7.4 | 174 | 167 | 23.51 | 0.96 | 0.04605 | 0.00683 | 0.12979 | 0.0191 | 0.02044 | 0.00037 | 130 | 8 | −4.58 |
WL17-08 | 9.6 | 292 | 286 | 30.42 | 0.98 | 0.04605 | 0.00202 | 0.12597 | 0.00521 | 0.01984 | 0.0003 | 127 | 3 | 5.36 |
WL17-11 | 10.4 | 418 | 259 | 40.19 | 0.62 | 0.0488 | 0.00166 | 0.14284 | 0.00482 | 0.02123 | 0.00033 | 135 | 5 | 0.74 |
WL17-14 | 38.1 | 1417 | 949 | 37.19 | 0.67 | 0.04683 | 0.0027 | 0.14013 | 0.00778 | 0.0217 | 0.00033 | 138 | 3 | −2.90 |
WL17-15 | 88.5 | 3242 | 3060 | 36.63 | 0.94 | 0.05472 | 0.00141 | 0.1613 | 0.00416 | 0.02138 | 0.00032 | 136 | 4 | 8.82 |
WL17-16 | 63.8 | 2497 | 1266 | 39.14 | 0.51 | 0.05247 | 0.00137 | 0.1598 | 0.00417 | 0.02209 | 0.00033 | 141 | 5 | 6.43 |
WL17-17 | 33.3 | 1243 | 855 | 37.33 | 0.69 | 0.05158 | 0.00138 | 0.15828 | 0.00424 | 0.02226 | 0.00033 | 142 | 5 | 6.43 |
WL17-18 | 164.8 | 6708 | 2869 | 40.70 | 0.43 | 0.0547 | 0.00295 | 0.1573 | 0.00811 | 0.02086 | 0.00033 | 133 | 2 | 2.59 |
WL17-19 | 72.2 | 2966 | 1104 | 41.08 | 0.37 | 0.05292 | 0.00255 | 0.15622 | 0.00716 | 0.02141 | 0.00032 | 137 | 2 | 7.30 |
WL17-21 | 8.2 | 255 | 369 | 31.10 | 1.44 | 0.0535 | 0.00694 | 0.14956 | 0.0192 | 0.02028 | 0.00038 | 129 | 2 | 2.98 |
WL17-22 | 459.0 | 20670 | 4158 | 45.03 | 0.20 | 0.04848 | 0.00128 | 0.14155 | 0.00375 | 0.02118 | 0.00032 | 135 | 4 | −0.74 |
WL17-23 | 229.4 | 10159 | 1563 | 44.29 | 0.15 | 0.05036 | 0.00189 | 0.14696 | 0.00507 | 0.02116 | 0.00032 | 135 | 2 | 2.92 |
WL17-24 | 1.5 | 59 | 46 | 39.33 | 0.79 | 0.05153 | 0.00447 | 0.15283 | 0.01308 | 0.02151 | 0.00045 | 137 | 10 | 0.00 |
WL17-25 | 1.5 | 54 | 52 | 36.00 | 0.96 | 0.0518 | 0.00636 | 0.15266 | 0.01858 | 0.02138 | 0.00047 | 136 | 9 | 2.19 |
Sample no. | WL-7 | WL-9 | WL-11 | WL-14 | WL-26 | WL-27 | WL-30 | WL-34 | WL-42 |
---|---|---|---|---|---|---|---|---|---|
Lithology | Quartz Diorite | Granodiorite | Monzonitic Granite | ||||||
U(ppm) | 1.9 | 2.2 | 1.7 | 4.3 | 2.3 | 4.3 | 7.3 | 19.8 | 14.9 |
Th(ppm) | 16.5 | 12.6 | 13.8 | 9.4 | 31.3 | 20.8 | 16.5 | 5.3 | 11 |
Pb(ppm) | 10.1 | 13.8 | 9.1 | 25 | 25.7 | 26.5 | 25.7 | 29.3 | 32.2 |
Age/Ma | 283 | 283 | 283 | 283 | 283 | 283 | 135 | 135 | 135 |
206Pb/204Pb | 18.751 | 18.68 | 18.581 | 19.388 | 18.725 | 18.582 | 18.51 | 19.344 | 19.024 |
207Pb/204Pb | 15.55 | 15.563 | 15.552 | 15.597 | 15.57 | 15.55 | 15.507 | 15.572 | 15.56 |
208Pb/204Pb | 38.715 | 38.502 | 38.471 | 38.433 | 39.589 | 38.753 | 38.239 | 38.124 | 38.152 |
(206Pb/204Pb)i | 18.211 | 18.224 | 18.048 | 18.892 | 18.465 | 18.117 | 18.129 | 18.429 | 18.400 |
(207Pb/204Pb)i | 15.522 | 15.539 | 15.524 | 15.571 | 15.556 | 15.526 | 15.488 | 15.527 | 15.53 |
(208Pb/204Pb)i | 37.193 | 37.654 | 37.066 | 38.081 | 38.441 | 38.023 | 37.958 | 38.044 | 38.001 |
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Wang, J.; Zhang, J.; Liu, Z.; Zhao, Y.; Zhang, F. Geochronological, Geochemical and Pb Isotope Inferences for Genesis of Wulandele Porphyry Molybdenum Deposit, Inner Mongolia, Northeast China. Minerals 2024, 14, 699. https://doi.org/10.3390/min14070699
Wang J, Zhang J, Liu Z, Zhao Y, Zhang F. Geochronological, Geochemical and Pb Isotope Inferences for Genesis of Wulandele Porphyry Molybdenum Deposit, Inner Mongolia, Northeast China. Minerals. 2024; 14(7):699. https://doi.org/10.3390/min14070699
Chicago/Turabian StyleWang, Jianping, Jiexian Zhang, Zhenjiang Liu, Yun Zhao, and Fangfang Zhang. 2024. "Geochronological, Geochemical and Pb Isotope Inferences for Genesis of Wulandele Porphyry Molybdenum Deposit, Inner Mongolia, Northeast China" Minerals 14, no. 7: 699. https://doi.org/10.3390/min14070699