Zircon U-Pb Geochronology and Hf Isotopes of the Granitoids from Cahanwusu Cu Deposit in Awulale Mountain, Western Tianshan: Implication for Regional Mineralization
Abstract
:1. Introduction
2. Geologic Background
3. Geology of the Cahanwusu Cu Deposit
4. Analytical Methods
4.1. Zircon U-Pb Dating
4.2. Zircon Hf Isotope Analyses
5. Results
5.1. Zircon U-Pb Ages
5.2. Zircon Hf Isotopes
6. Discussion
6.1. New Episode of Cu Mineralization in Awulale Mountain
6.2. Tectonic Setting and Magma Sources
6.3. Implication for Regional Mineralization
7. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Spots | Th (ppm) | U (ppm) | Th/U | 207Pb/206Pb | 207Pb/235U | 206Pb/238U | 207Pb/206Pb | 207Pb/235U | 206Pb/238U | Concordance | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ratio | 1sigma | Ratio | 1sigma | Ratio | 1sigma | Age | 1sigma | Age | 1sigma | Age | 1sigma | |||||
Granitic Porphyry | ||||||||||||||||
CH12-01 | 325 | 693 | 0.47 | 0.0597 | 0.0036 | 0.4496 | 0.0251 | 0.0532 | 0.0011 | 594 | 131 | 377 | 17.5 | 334 | 6.83 | 97% |
CH12-02 | 355 | 611 | 0.58 | 0.0570 | 0.0034 | 0.4218 | 0.0228 | 0.0531 | 0.0011 | 500 | 131 | 357 | 16.3 | 334 | 6.47 | 95% |
CH12-03 | 350 | 751 | 0.47 | 0.0528 | 0.0028 | 0.3832 | 0.0178 | 0.0522 | 0.0009 | 320 | 122 | 329 | 13.1 | 328 | 5.77 | 99% |
CH12-04 | 244 | 518 | 0.47 | 0.0555 | 0.0032 | 0.4116 | 0.0247 | 0.0524 | 0.0010 | 435 | 134 | 350 | 17.8 | 330 | 6.16 | 98% |
CH12-05 | 234 | 673 | 0.35 | 0.0540 | 0.0026 | 0.3957 | 0.0187 | 0.0521 | 0.0009 | 369 | 109 | 339 | 13.6 | 327 | 5.66 | 96% |
CH12-06 | 179 | 321 | 0.56 | 0.0531 | 0.0036 | 0.3920 | 0.0252 | 0.0537 | 0.0013 | 332 | 154 | 336 | 18.4 | 337 | 7.73 | 99% |
CH12-07 | 560 | 916 | 0.61 | 0.0569 | 0.0027 | 0.4080 | 0.0179 | 0.0514 | 0.0008 | 487 | 99.1 | 347 | 12.9 | 323 | 5.15 | 96% |
CH12-09 | 283 | 634 | 0.45 | 0.0551 | 0.0032 | 0.4059 | 0.0239 | 0.0520 | 0.0009 | 417 | 128 | 346 | 17.3 | 327 | 5.71 | 94% |
CH12-10 | 562 | 914 | 0.61 | 0.0546 | 0.0025 | 0.4003 | 0.0180 | 0.0521 | 0.0008 | 394 | 97.2 | 342 | 13.1 | 328 | 5.15 | 95% |
CH12-11 | 125 | 257 | 0.48 | 0.0589 | 0.0056 | 0.4146 | 0.0328 | 0.0535 | 0.0014 | 565 | 208 | 352 | 23.5 | 336 | 8.37 | 95% |
CH12-12 | 381 | 722 | 0.53 | 0.0577 | 0.0027 | 0.4175 | 0.0185 | 0.0519 | 0.0010 | 517 | 102 | 354 | 13.3 | 326 | 6.09 | 97% |
CH12-14 | 264 | 504 | 0.52 | 0.0647 | 0.0043 | 0.4583 | 0.0293 | 0.0512 | 0.0012 | 765 | 142 | 383 | 20.4 | 322 | 7.10 | 96% |
CH12-15 | 168 | 382 | 0.44 | 0.0601 | 0.0037 | 0.4503 | 0.0282 | 0.0530 | 0.0013 | 606 | 140 | 377 | 19.7 | 333 | 7.77 | 97% |
CH12-16 | 208 | 470 | 0.44 | 0.0538 | 0.0033 | 0.3864 | 0.0217 | 0.0515 | 0.0010 | 365 | 141 | 332 | 15.9 | 323 | 6.40 | 97% |
CH12-17 | 279 | 593 | 0.47 | 0.0564 | 0.0029 | 0.4108 | 0.0197 | 0.0519 | 0.0010 | 465 | 113 | 349 | 14.2 | 326 | 5.90 | 93% |
CH12-18 | 292 | 648 | 0.45 | 0.0537 | 0.0026 | 0.4058 | 0.0191 | 0.0532 | 0.0009 | 367 | 105 | 346 | 13.8 | 334 | 5.62 | 96% |
CH12-19 | 349 | 641 | 0.55 | 0.0531 | 0.0029 | 0.4017 | 0.0205 | 0.0537 | 0.0011 | 332 | 121 | 343 | 14.9 | 337 | 6.81 | 98% |
CH12-20 | 104 | 272 | 0.38 | 0.0518 | 0.0038 | 0.3886 | 0.0281 | 0.0530 | 0.0014 | 280 | 167 | 333 | 20.6 | 333 | 8.56 | 99% |
CH12-22 | 427 | 555 | 0.77 | 0.0565 | 0.0032 | 0.4103 | 0.0227 | 0.0512 | 0.0011 | 472 | 124 | 349 | 16.3 | 322 | 6.46 | 93% |
CH12-23 | 367 | 554 | 0.66 | 0.0583 | 0.0031 | 0.4340 | 0.0222 | 0.0525 | 0.0010 | 543 | 110 | 366 | 15.7 | 330 | 5.91 | 98% |
CH12-24 | 685 | 734 | 0.93 | 0.0546 | 0.0027 | 0.4066 | 0.0185 | 0.0527 | 0.0010 | 394 | 109 | 346 | 13.4 | 331 | 5.94 | 95% |
CH12-25 | 374 | 763 | 0.49 | 0.0536 | 0.0026 | 0.3915 | 0.0177 | 0.0517 | 0.0009 | 354 | 107 | 335 | 12.9 | 325 | 5.82 | 96% |
CH12-26 | 135 | 362 | 0.37 | 0.0624 | 0.0038 | 0.4533 | 0.0267 | 0.0517 | 0.0013 | 687 | 130 | 380 | 18.7 | 325 | 7.70 | 95% |
Diorite porphyry | ||||||||||||||||
CH15-01 | 180 | 278 | 0.6467 | 0.0541 | 0.0031 | 0.3928 | 0.0209 | 0.0514 | 0.0010 | 376 | 128 | 336 | 15.2 | 323 | 6.3 | 97% |
CH15-02 | 313 | 422 | 0.7413 | 0.0543 | 0.0026 | 0.3916 | 0.0182 | 0.0524 | 0.0009 | 383 | 107 | 336 | 13.3 | 329 | 5.5 | 98% |
CH15-03 | 157 | 318 | 0.4950 | 0.0568 | 0.0032 | 0.4050 | 0.0217 | 0.0523 | 0.0010 | 483 | 129 | 345 | 15.7 | 329 | 6.2 | 96% |
CH15-04 | 364 | 490 | 0.7425 | 0.0513 | 0.0022 | 0.3702 | 0.0155 | 0.0522 | 0.0009 | 254 | 100 | 320 | 11.5 | 328 | 5.3 | 97% |
CH15-05 | 116 | 181 | 0.6377 | 0.0556 | 0.0036 | 0.3949 | 0.0247 | 0.0517 | 0.0011 | 435 | 146 | 338 | 18.0 | 325 | 6.6 | 96% |
CH15-06 | 97.3 | 195 | 0.4984 | 0.0541 | 0.0032 | 0.3825 | 0.0218 | 0.0511 | 0.0012 | 376 | 135 | 329 | 16.0 | 321 | 7.2 | 97% |
CH15-08 | 600 | 644 | 0.9308 | 0.0513 | 0.0022 | 0.3795 | 0.0158 | 0.0520 | 0.0009 | 254 | 98.1 | 327 | 11.6 | 327 | 5.3 | 99% |
CH15-09 | 151 | 240 | 0.6264 | 0.0533 | 0.0036 | 0.3836 | 0.0236 | 0.0519 | 0.0010 | 339 | 147 | 330 | 17.3 | 326 | 6.2 | 98% |
CH15-10 | 190 | 318 | 0.5965 | 0.0553 | 0.0028 | 0.4041 | 0.0198 | 0.0525 | 0.0011 | 433 | 147 | 345 | 14.3 | 330 | 6.7 | 95% |
CH15-11 | 57.2 | 125 | 0.4573 | 0.0573 | 0.0049 | 0.4066 | 0.0287 | 0.0537 | 0.0014 | 502 | 189 | 346 | 20.7 | 337 | 8.8 | 97% |
CH15-13 | 406 | 510 | 0.7964 | 0.0533 | 0.0023 | 0.3941 | 0.0159 | 0.0529 | 0.0008 | 339 | 98.1 | 337 | 11.6 | 332 | 4.9 | 98% |
CH15-14 | 87.8 | 174 | 0.5054 | 0.0550 | 0.0036 | 0.4185 | 0.0267 | 0.0545 | 0.0012 | 413 | 146 | 355 | 19.1 | 342 | 7.4 | 96% |
CH15-15 | 142 | 255 | 0.5559 | 0.0577 | 0.0036 | 0.4273 | 0.0239 | 0.0545 | 0.0011 | 520 | 137 | 361 | 17.0 | 342 | 6.8 | 94% |
CH15-16 | 130 | 235 | 0.5544 | 0.0557 | 0.0037 | 0.4079 | 0.0248 | 0.0533 | 0.0012 | 443 | 148 | 347 | 17.9 | 335 | 7.1 | 96% |
CH15-17 | 94.4 | 183 | 0.5165 | 0.0593 | 0.0041 | 0.4371 | 0.0272 | 0.0541 | 0.0014 | 589 | 145 | 368 | 19.2 | 340 | 8.4 | 98% |
CH15-19 | 177 | 285 | 0.6213 | 0.0590 | 0.0034 | 0.4206 | 0.0216 | 0.0527 | 0.0010 | 565 | 126 | 356 | 15.4 | 331 | 6.1 | 97% |
CH15-20 | 76.1 | 146 | 0.5193 | 0.0578 | 0.0045 | 0.4238 | 0.0301 | 0.0550 | 0.0014 | 524 | 174 | 359 | 21.5 | 345 | 8.6 | 96% |
CH15-21 | 67.3 | 127 | 0.5303 | 0.0657 | 0.0054 | 0.4391 | 0.0296 | 0.0523 | 0.0013 | 798 | 174 | 370 | 20.9 | 329 | 7.8 | 98% |
CH15-22 | 119 | 182 | 0.6542 | 0.0531 | 0.0037 | 0.3948 | 0.0261 | 0.0540 | 0.0012 | 345 | 157 | 338 | 19.0 | 339 | 7.1 | 99% |
CH15-23 | 237 | 488 | 0.4860 | 0.0555 | 0.0025 | 0.3978 | 0.0167 | 0.0518 | 0.0009 | 432 | 98.1 | 340 | 12.1 | 326 | 5.6 | 95% |
CH15-24 | 193 | 360 | 0.5366 | 0.0540 | 0.0028 | 0.4038 | 0.0201 | 0.0540 | 0.0011 | 372 | 119 | 344 | 14.6 | 339 | 6.7 | 98% |
Spots | 176Lu/177Hf | 1σ | 176Hf/177Hf | 1σ | εHf(t) | 1σ | TDM1 | 1σ | TDM2 | 1σ |
---|---|---|---|---|---|---|---|---|---|---|
Granitic Porphyry | ||||||||||
CH12-01 | 0.001403 | 0.000010 | 0.282669 | 0.000018 | 3.26 | 0.64 | 835 | 25.7 | 1128 | 40.4 |
CH12-02 | 0.001606 | 0.000087 | 0.282680 | 0.000017 | 3.60 | 0.60 | 824 | 24.5 | 1106 | 38.2 |
CH12-03 | 0.001168 | 0.000016 | 0.282682 | 0.000018 | 3.77 | 0.64 | 812 | 25.5 | 1096 | 40.4 |
CH12-04 | 0.001018 | 0.000010 | 0.282694 | 0.000016 | 4.23 | 0.57 | 792 | 22.6 | 1067 | 35.9 |
CH12-05 | 0.001135 | 0.000003 | 0.282699 | 0.000016 | 4.38 | 0.57 | 787 | 22.7 | 1057 | 35.9 |
CH12-06 | 0.001293 | 0.000034 | 0.282660 | 0.000011 | 2.96 | 0.39 | 846 | 15.7 | 1147 | 24.7 |
CH12-07 | 0.001359 | 0.000013 | 0.282678 | 0.000018 | 3.59 | 0.64 | 822 | 25.7 | 1107 | 40.4 |
CH12-09 | 0.001334 | 0.000022 | 0.282689 | 0.000017 | 3.98 | 0.60 | 805 | 24.2 | 1082 | 38.2 |
CH12-10 | 0.001491 | 0.000018 | 0.282679 | 0.000019 | 3.59 | 0.67 | 823 | 27.2 | 1107 | 42.6 |
CH12-11 | 0.001388 | 0.000011 | 0.282688 | 0.000018 | 3.94 | 0.64 | 808 | 25.7 | 1085 | 40.4 |
CH12-12 | 0.001535 | 0.000025 | 0.282720 | 0.000021 | 5.04 | 0.74 | 765 | 30.1 | 1015 | 47.2 |
CH12-14 | 0.001058 | 0.000017 | 0.282686 | 0.000019 | 3.94 | 0.67 | 804 | 26.9 | 1085 | 42.7 |
CH12-15 | 0.001384 | 0.000056 | 0.282696 | 0.000018 | 4.22 | 0.64 | 797 | 25.7 | 1067 | 40.4 |
CH12-16 | 0.000990 | 0.000026 | 0.282695 | 0.000012 | 4.27 | 0.42 | 790 | 17.0 | 1064 | 27.0 |
CH12-17 | 0.001237 | 0.000009 | 0.282687 | 0.000022 | 3.95 | 0.78 | 806 | 31.3 | 1085 | 49.4 |
CH12-18 | 0.001832 | 0.000035 | 0.282659 | 0.000018 | 2.83 | 0.64 | 860 | 26.0 | 1156 | 40.4 |
CH12-19 | 0.001041 | 0.000002 | 0.282713 | 0.000019 | 4.92 | 0.67 | 765 | 26.9 | 1024 | 42.7 |
CH12-20 | 0.001347 | 0.000075 | 0.282700 | 0.000015 | 4.39 | 0.53 | 790 | 21.4 | 1057 | 33.7 |
CH12-22 | 0.001003 | 0.000038 | 0.282727 | 0.000014 | 5.42 | 0.50 | 745 | 19.8 | 992 | 31.5 |
CH12-23 | 0.001152 | 0.000012 | 0.282705 | 0.000018 | 4.61 | 0.64 | 779 | 25.5 | 1043 | 40.5 |
CH12-24 | 0.001255 | 0.000012 | 0.282697 | 0.000016 | 4.30 | 0.57 | 792 | 22.8 | 1063 | 35.9 |
CH12-25 | 0.001733 | 0.000030 | 0.282712 | 0.000017 | 4.73 | 0.60 | 781 | 24.5 | 1036 | 38.2 |
CH12-26 | 0.001641 | 0.000063 | 0.282696 | 0.000019 | 4.18 | 0.67 | 802 | 27.3 | 1070 | 42.7 |
Diorite Porphyry | ||||||||||
CH15-01 | 0.001253 | 0.000005 | 0.282707 | 0.000019 | 4.70 | 0.67 | 778 | 27.0 | 1039 | 42.7 |
CH15-02 | 0.002497 | 0.000180 | 0.282725 | 0.000016 | 5.07 | 0.57 | 778 | 23.9 | 1016 | 36.1 |
CH15-03 | 0.001476 | 0.000026 | 0.282692 | 0.000018 | 4.12 | 0.64 | 804 | 25.8 | 1076 | 40.4 |
CH15-04 | 0.001392 | 0.000006 | 0.282695 | 0.000020 | 4.25 | 0.71 | 798 | 28.5 | 1068 | 44.9 |
CH15-05 | 0.001217 | 0.000004 | 0.282718 | 0.000014 | 5.10 | 0.50 | 762 | 19.9 | 1014 | 31.5 |
CH15-06 | 0.001352 | 0.000043 | 0.282656 | 0.000016 | 2.87 | 0.57 | 853 | 22.8 | 1155 | 35.9 |
CH15-08 | 0.002171 | 0.000140 | 0.282699 | 0.000016 | 4.22 | 0.57 | 809 | 23.5 | 1070 | 36.0 |
CH15-09 | 0.001465 | 0.000020 | 0.282706 | 0.000012 | 4.62 | 0.42 | 784 | 17.2 | 1044 | 27.0 |
CH15-10 | 0.001126 | 0.000003 | 0.282697 | 0.000020 | 4.37 | 0.71 | 790 | 28.3 | 1060 | 44.9 |
CH15-11 | 0.001149 | 0.000004 | 0.282683 | 0.000014 | 3.87 | 0.50 | 810 | 19.8 | 1092 | 31.4 |
CH15-13 | 0.001150 | 0.000004 | 0.282699 | 0.000013 | 4.44 | 0.46 | 787 | 18.4 | 1056 | 29.2 |
CH15-14 | 0.001118 | 0.000006 | 0.282661 | 0.000019 | 3.10 | 0.67 | 840 | 26.9 | 1140 | 42.6 |
CH15-15 | 0.001203 | 0.000018 | 0.282688 | 0.000015 | 4.04 | 0.53 | 804 | 21.3 | 1081 | 33.7 |
CH15-16 | 0.002177 | 0.000065 | 0.282637 | 0.000018 | 2.02 | 0.64 | 900 | 26.3 | 1209 | 40.3 |
CH15-17 | 0.001253 | 0.000012 | 0.282696 | 0.000018 | 4.31 | 0.64 | 794 | 25.6 | 1064 | 40.4 |
CH15-19 | 0.000946 | 0.000006 | 0.282701 | 0.000019 | 4.56 | 0.67 | 780 | 26.8 | 1048 | 42.7 |
CH15-20 | 0.000825 | 0.000010 | 0.282662 | 0.000017 | 3.20 | 0.60 | 833 | 23.9 | 1134 | 38.1 |
CH15-21 | 0.001016 | 0.000013 | 0.282705 | 0.000024 | 4.68 | 0.85 | 776 | 33.9 | 1040 | 53.9 |
CH15-22 | 0.001241 | 0.000006 | 0.282677 | 0.000014 | 3.64 | 0.50 | 821 | 19.9 | 1106 | 31.4 |
CH15-23 | 0.001360 | 0.000021 | 0.282695 | 0.000013 | 4.25 | 0.46 | 797 | 18.5 | 1068 | 29.2 |
CH15-24 | 0.001603 | 0.000030 | 0.282685 | 0.000016 | 3.85 | 0.57 | 817 | 23.0 | 1093 | 35.9 |
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Zhang, W.; Chen, M.-X.; Yang, M.-L.; Yang, W.-H.; Zhang, X.-C. Zircon U-Pb Geochronology and Hf Isotopes of the Granitoids from Cahanwusu Cu Deposit in Awulale Mountain, Western Tianshan: Implication for Regional Mineralization. Minerals 2025, 15, 380. https://doi.org/10.3390/min15040380
Zhang W, Chen M-X, Yang M-L, Yang W-H, Zhang X-C. Zircon U-Pb Geochronology and Hf Isotopes of the Granitoids from Cahanwusu Cu Deposit in Awulale Mountain, Western Tianshan: Implication for Regional Mineralization. Minerals. 2025; 15(4):380. https://doi.org/10.3390/min15040380
Chicago/Turabian StyleZhang, Wei, Mao-Xue Chen, Mei-Li Yang, Wen-Hui Yang, and Xing-Chun Zhang. 2025. "Zircon U-Pb Geochronology and Hf Isotopes of the Granitoids from Cahanwusu Cu Deposit in Awulale Mountain, Western Tianshan: Implication for Regional Mineralization" Minerals 15, no. 4: 380. https://doi.org/10.3390/min15040380
APA StyleZhang, W., Chen, M.-X., Yang, M.-L., Yang, W.-H., & Zhang, X.-C. (2025). Zircon U-Pb Geochronology and Hf Isotopes of the Granitoids from Cahanwusu Cu Deposit in Awulale Mountain, Western Tianshan: Implication for Regional Mineralization. Minerals, 15(4), 380. https://doi.org/10.3390/min15040380