Geoscience ›› 2021, Vol. 35 ›› Issue (06): 1677-1690.DOI: 10.19657/j.geoscience.1000-8527.2021.125
• Gold-polymetallic Mineralization in Qinling Orogens • Previous Articles Next Articles
YAN Jing1(), LIU Jingxian1, PU Wanfeng1, WEI Xueping2, LI Zhibin1
Received:
2021-09-11
Revised:
2021-10-11
Online:
2021-12-10
Published:
2022-02-14
CLC Number:
YAN Jing, LIU Jingxian, PU Wanfeng, WEI Xueping, LI Zhibin. Middle-Late Triassic Tectonic Attribute in West Qinling: Evidence from Geochronology and Geochemistry of the Jiangqinaliang Intrusive Complex[J]. Geoscience, 2021, 35(06): 1677-1690.
Fig.1 Tectonic framework of central orogenic belt(a), distribution map of Indosinian magmatic rocks in West Qinling(b) and simplified geological map of Jiangqinaliang intrusive complex (c)((a) modified from Lu et al.[20]; (b) modified from Feng et al.[36])
测试 点 | 含量/10-6 | Th/U | 同位素比值 | 年龄/Ma | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Th | U | Pb | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | ||||
1 | 173 | 462 | 54 | 0.37 | 0.054 22 | 0.002 04 | 0.283 36 | 0.010 84 | 0.038 05 | 0.000 52 | 389 | 81 | 253 | 9 | 241 | 3 | ||
2 | 227 | 513 | 61 | 0.44 | 0.049 74 | 0.001 71 | 0.260 57 | 0.009 39 | 0.038 00 | 0.000 52 | 183 | 80 | 235 | 8 | 240 | 3 | ||
3 | 382 | 685 | 102 | 0.56 | 0.053 26 | 0.001 84 | 0.277 92 | 0.009 29 | 0.038 07 | 0.000 50 | 339 | 78 | 249 | 7 | 241 | 3 | ||
5 | 165 | 413 | 47 | 0.40 | 0.054 92 | 0.003 22 | 0.282 54 | 0.015 74 | 0.037 95 | 0.000 89 | 409 | 164 | 253 | 12 | 240 | 6 | ||
6 | 165 | 449 | 49 | 0.37 | 0.054 46 | 0.002 74 | 0.282 46 | 0.013 93 | 0.037 96 | 0.000 59 | 391 | 113 | 253 | 11 | 240 | 4 | ||
7 | 212 | 510 | 61 | 0.42 | 0.050 59 | 0.002 63 | 0.262 84 | 0.013 41 | 0.038 03 | 0.000 86 | 220 | 120 | 237 | 11 | 241 | 5 | ||
9 | 184 | 448 | 52 | 0.41 | 0.047 94 | 0.002 55 | 0.251 81 | 0.013 09 | 0.038 08 | 0.000 68 | 95 | 122 | 228 | 11 | 241 | 4 | ||
11 | 304 | 528 | 78 | 0.58 | 0.050 92 | 0.002 02 | 0.265 65 | 0.010 08 | 0.038 04 | 0.000 45 | 235 | 91 | 239 | 8 | 241 | 3 | ||
12 | 251 | 466 | 64 | 0.54 | 0.054 25 | 0.001 85 | 0.283 41 | 0.009 68 | 0.037 94 | 0.000 50 | 389 | 78 | 253 | 8 | 240 | 3 | ||
13 | 320 | 565 | 82 | 0.57 | 0.051 32 | 0.001 55 | 0.267 59 | 0.008 43 | 0.037 92 | 0.000 48 | 254 | 70 | 241 | 7 | 240 | 3 | ||
14 | 276 | 471 | 70 | 0.59 | 0.051 26 | 0.001 87 | 0.266 40 | 0.009 98 | 0.037 96 | 0.000 51 | 254 | 90 | 240 | 8 | 240 | 3 | ||
15 | 174 | 478 | 50 | 0.36 | 0.049 73 | 0.001 69 | 0.259 38 | 0.008 65 | 0.037 98 | 0.000 48 | 189 | 80 | 234 | 7 | 240 | 3 | ||
16 | 160 | 540 | 49 | 0.30 | 0.050 39 | 0.001 69 | 0.261 93 | 0.008 27 | 0.038 04 | 0.000 45 | 213 | 44 | 236 | 7 | 241 | 3 | ||
19 | 293 | 497 | 78 | 0.59 | 0.050 11 | 0.002 49 | 0.260 14 | 0.012 82 | 0.037 99 | 0.000 59 | 198 | 121 | 235 | 10 | 240 | 4 | ||
20 | 202 | 505 | 59 | 0.40 | 0.052 91 | 0.002 49 | 0.280 49 | 0.014 22 | 0.037 98 | 0.000 86 | 324 | 107 | 251 | 11 | 240 | 5 | ||
21 | 216 | 393 | 54 | 0.55 | 0.050 78 | 0.003 05 | 0.263 98 | 0.016 28 | 0.037 96 | 0.000 76 | 232 | 139 | 238 | 13 | 240 | 5 | ||
22 | 190 | 380 | 52 | 0.50 | 0.049 63 | 0.002 43 | 0.260 32 | 0.013 82 | 0.037 94 | 0.000 81 | 176 | 113 | 235 | 11 | 240 | 5 | ||
23 | 144 | 327 | 40 | 0.44 | 0.055 88 | 0.002 85 | 0.289 83 | 0.013 92 | 0.037 96 | 0.000 66 | 456 | 118 | 258 | 11 | 240 | 4 | ||
24 | 249 | 650 | 70 | 0.38 | 0.049 90 | 0.001 68 | 0.261 70 | 0.008 93 | 0.037 97 | 0.000 53 | 191 | 112 | 236 | 7 | 240 | 3 | ||
25 | 161 | 575 | 49 | 0.28 | 0.052 37 | 0.002 76 | 0.272 43 | 0.013 36 | 0.037 96 | 0.000 81 | 302 | 120 | 245 | 11 | 240 | 5 | ||
26 | 90 | 242 | 27 | 0.37 | 0.051 43 | 0.003 48 | 0.260 82 | 0.015 28 | 0.037 92 | 0.000 87 | 261 | 156 | 235 | 12 | 240 | 5 | ||
27 | 197 | 366 | 50 | 0.54 | 0.052 16 | 0.002 87 | 0.269 31 | 0.014 15 | 0.037 94 | 0.000 67 | 300 | 126 | 242 | 11 | 240 | 4 | ||
28 | 246 | 485 | 66 | 0.51 | 0.054 82 | 0.002 11 | 0.289 38 | 0.012 58 | 0.038 01 | 0.000 79 | 406 | 85 | 258 | 10 | 240 | 5 | ||
30 | 129 | 366 | 39 | 0.35 | 0.051 71 | 0.002 52 | 0.270 71 | 0.014 12 | 0.037 97 | 0.000 69 | 272 | 111 | 243 | 11 | 240 | 4 |
Table 1 LA-ICP-MS zircon U-Pb data of quartz diorite in the Jiangqinaliang intrusive complex
测试 点 | 含量/10-6 | Th/U | 同位素比值 | 年龄/Ma | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Th | U | Pb | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | ||||
1 | 173 | 462 | 54 | 0.37 | 0.054 22 | 0.002 04 | 0.283 36 | 0.010 84 | 0.038 05 | 0.000 52 | 389 | 81 | 253 | 9 | 241 | 3 | ||
2 | 227 | 513 | 61 | 0.44 | 0.049 74 | 0.001 71 | 0.260 57 | 0.009 39 | 0.038 00 | 0.000 52 | 183 | 80 | 235 | 8 | 240 | 3 | ||
3 | 382 | 685 | 102 | 0.56 | 0.053 26 | 0.001 84 | 0.277 92 | 0.009 29 | 0.038 07 | 0.000 50 | 339 | 78 | 249 | 7 | 241 | 3 | ||
5 | 165 | 413 | 47 | 0.40 | 0.054 92 | 0.003 22 | 0.282 54 | 0.015 74 | 0.037 95 | 0.000 89 | 409 | 164 | 253 | 12 | 240 | 6 | ||
6 | 165 | 449 | 49 | 0.37 | 0.054 46 | 0.002 74 | 0.282 46 | 0.013 93 | 0.037 96 | 0.000 59 | 391 | 113 | 253 | 11 | 240 | 4 | ||
7 | 212 | 510 | 61 | 0.42 | 0.050 59 | 0.002 63 | 0.262 84 | 0.013 41 | 0.038 03 | 0.000 86 | 220 | 120 | 237 | 11 | 241 | 5 | ||
9 | 184 | 448 | 52 | 0.41 | 0.047 94 | 0.002 55 | 0.251 81 | 0.013 09 | 0.038 08 | 0.000 68 | 95 | 122 | 228 | 11 | 241 | 4 | ||
11 | 304 | 528 | 78 | 0.58 | 0.050 92 | 0.002 02 | 0.265 65 | 0.010 08 | 0.038 04 | 0.000 45 | 235 | 91 | 239 | 8 | 241 | 3 | ||
12 | 251 | 466 | 64 | 0.54 | 0.054 25 | 0.001 85 | 0.283 41 | 0.009 68 | 0.037 94 | 0.000 50 | 389 | 78 | 253 | 8 | 240 | 3 | ||
13 | 320 | 565 | 82 | 0.57 | 0.051 32 | 0.001 55 | 0.267 59 | 0.008 43 | 0.037 92 | 0.000 48 | 254 | 70 | 241 | 7 | 240 | 3 | ||
14 | 276 | 471 | 70 | 0.59 | 0.051 26 | 0.001 87 | 0.266 40 | 0.009 98 | 0.037 96 | 0.000 51 | 254 | 90 | 240 | 8 | 240 | 3 | ||
15 | 174 | 478 | 50 | 0.36 | 0.049 73 | 0.001 69 | 0.259 38 | 0.008 65 | 0.037 98 | 0.000 48 | 189 | 80 | 234 | 7 | 240 | 3 | ||
16 | 160 | 540 | 49 | 0.30 | 0.050 39 | 0.001 69 | 0.261 93 | 0.008 27 | 0.038 04 | 0.000 45 | 213 | 44 | 236 | 7 | 241 | 3 | ||
19 | 293 | 497 | 78 | 0.59 | 0.050 11 | 0.002 49 | 0.260 14 | 0.012 82 | 0.037 99 | 0.000 59 | 198 | 121 | 235 | 10 | 240 | 4 | ||
20 | 202 | 505 | 59 | 0.40 | 0.052 91 | 0.002 49 | 0.280 49 | 0.014 22 | 0.037 98 | 0.000 86 | 324 | 107 | 251 | 11 | 240 | 5 | ||
21 | 216 | 393 | 54 | 0.55 | 0.050 78 | 0.003 05 | 0.263 98 | 0.016 28 | 0.037 96 | 0.000 76 | 232 | 139 | 238 | 13 | 240 | 5 | ||
22 | 190 | 380 | 52 | 0.50 | 0.049 63 | 0.002 43 | 0.260 32 | 0.013 82 | 0.037 94 | 0.000 81 | 176 | 113 | 235 | 11 | 240 | 5 | ||
23 | 144 | 327 | 40 | 0.44 | 0.055 88 | 0.002 85 | 0.289 83 | 0.013 92 | 0.037 96 | 0.000 66 | 456 | 118 | 258 | 11 | 240 | 4 | ||
24 | 249 | 650 | 70 | 0.38 | 0.049 90 | 0.001 68 | 0.261 70 | 0.008 93 | 0.037 97 | 0.000 53 | 191 | 112 | 236 | 7 | 240 | 3 | ||
25 | 161 | 575 | 49 | 0.28 | 0.052 37 | 0.002 76 | 0.272 43 | 0.013 36 | 0.037 96 | 0.000 81 | 302 | 120 | 245 | 11 | 240 | 5 | ||
26 | 90 | 242 | 27 | 0.37 | 0.051 43 | 0.003 48 | 0.260 82 | 0.015 28 | 0.037 92 | 0.000 87 | 261 | 156 | 235 | 12 | 240 | 5 | ||
27 | 197 | 366 | 50 | 0.54 | 0.052 16 | 0.002 87 | 0.269 31 | 0.014 15 | 0.037 94 | 0.000 67 | 300 | 126 | 242 | 11 | 240 | 4 | ||
28 | 246 | 485 | 66 | 0.51 | 0.054 82 | 0.002 11 | 0.289 38 | 0.012 58 | 0.038 01 | 0.000 79 | 406 | 85 | 258 | 10 | 240 | 5 | ||
30 | 129 | 366 | 39 | 0.35 | 0.051 71 | 0.002 52 | 0.270 71 | 0.014 12 | 0.037 97 | 0.000 69 | 272 | 111 | 243 | 11 | 240 | 4 |
样号 | SiO2 | TiO2 | Al2O3 | Fe2O3 | FeO | MnO | MgO | CaO | Na2O | K2O | P2O5 | 烧失量 | 总量 | A/CNK | Mg# | σ | A/NK |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PM104-1 | 59.39 | 0.53 | 18.30 | 4.09 | 3.43 | 0.05 | 3.83 | 4.46 | 3.61 | 3.09 | 0.11 | 2.40 | 103.29 | 1.05 | 67 | 2.74 | 1.97 |
PM104-2 | 68.35 | 0.36 | 16.84 | 2.76 | 1.94 | 0.04 | 1.26 | 1.26 | 3.66 | 3.54 | 0.09 | 1.71 | 101.81 | 1.39 | 54 | 2.04 | 1.71 |
PM104-3 | 61.28 | 0.51 | 18.11 | 4.21 | 3.43 | 0.07 | 3.32 | 4.67 | 3.30 | 3.14 | 0.10 | 1.19 | 103.33 | 1.05 | 64 | 2.27 | 2.05 |
PM104-4 | 63.93 | 0.42 | 18.71 | 3.04 | 2.47 | 0.05 | 2.26 | 3.63 | 3.50 | 3.53 | 0.10 | 0.74 | 102.38 | 1.16 | 62 | 2.37 | 1.95 |
PM104-5 | 59.42 | 0.40 | 23.66 | 2.84 | 2.33 | 0.04 | 2.45 | 3.34 | 3.31 | 3.35 | 0.10 | 1.01 | 102.25 | 1.56 | 65 | 2.70 | 2.61 |
样号 | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | REE | LREE | HREE |
PM104-1 | 24.50 | 52.20 | 5.47 | 20.10 | 3.97 | 1.28 | 3.49 | 0.57 | 3.41 | 0.7 | 2.07 | 0.36 | 2.18 | 0.35 | 120.65 | 107.52 | 13.14 |
PM104-2 | 35.30 | 85.70 | 7.32 | 25.40 | 4.39 | 1.21 | 3.76 | 0.52 | 2.74 | 0.51 | 1.48 | 0.24 | 1.41 | 0.23 | 170.17 | 159.28 | 10.89 |
PM104-3 | 33.70 | 69.20 | 7.07 | 25.90 | 4.95 | 1.34 | 4.30 | 0.66 | 3.80 | 0.76 | 2.26 | 0.39 | 2.39 | 0.39 | 157.12 | 142.17 | 14.95 |
PM104-4 | 43.80 | 80.90 | 8.50 | 28.90 | 4.84 | 1.34 | 4.09 | 0.56 | 2.82 | 0.53 | 1.6 | 0.27 | 1.67 | 0.27 | 180.16 | 168.36 | 11.80 |
PM104-5 | 27.50 | 67.00 | 5.49 | 19.50 | 4.03 | 1.28 | 3.50 | 0.51 | 2.77 | 0.51 | 1.47 | 0.25 | 1.51 | 0.25 | 135.56 | 124.80 | 10.76 |
样号 | LREE/ HREE | δEu | δCe | (La/ Yb)N | (La/ Sm)N | (Gd/ Yb)N | Li | Be | Sc | V | Cr | Co | Ni | Zn | Ga | Rb | Sr |
PM104-1 | 8.19 | 1.03 | 1.04 | 7.57 | 3.89 | 1.29 | 34.49 | 3.40 | 14.01 | 72.31 | 52.75 | 14.53 | 14.80 | 34.21 | 32.63 | 107.90 | 470.20 |
PM104-2 | 14.63 | 0.89 | 1.22 | 16.87 | 5.05 | 2.15 | 35.17 | 3.90 | 6.36 | 23.94 | 7.64 | 4.47 | 4.24 | 57.36 | 39.37 | 145.50 | 305.50 |
PM104-3 | 9.51 | 0.87 | 1.03 | 9.49 | 4.28 | 1.45 | 61.66 | 3.73 | 12.37 | 68.00 | 72.14 | 12.88 | 21.72 | 64.68 | 36.70 | 109.40 | 353.70 |
PM104-4 | 14.27 | 0.90 | 0.95 | 17.70 | 5.70 | 1.98 | 66.74 | 4.89 | 6.66 | 45.22 | 38.62 | 8.16 | 10.29 | 52.95 | 42.33 | 152.90 | 314.80 |
PM104-5 | 11.60 | 1.02 | 1.24 | 12.31 | 4.30 | 1.87 | 78.91 | 5.44 | 6.44 | 47.68 | 35.57 | 7.65 | 9.87 | 53.06 | 39.17 | 153.90 | 305.50 |
样号 | Zr | Nb | In | Cs | Ba | Hf | Ta | Tl | Pb | Bi | Th | U | Y | K | P | Ti | Sr/Y |
PM104-1 | 99.57 | 7.63 | 0.04 | 11.79 | 1 124.00 | 8.46 | 0.98 | 0.76 | 18.35 | 23.68 | 9.46 | 2.73 | 19.32 | 12 699.00 | 239.91 | 3 117.40 | 24.30 |
PM104-2 | 148.06 | 9.88 | 0.04 | 8.83 | 1 401.00 | 12.24 | 1.25 | 0.82 | 29.41 | 0.30 | 18.70 | 1.71 | 13.87 | 14 649.50 | 196.29 | 2 158.20 | 22.00 |
PM104-3 | 114.51 | 9.57 | 0.05 | 8.60 | 1 362.00 | 13.13 | 1.32 | 0.70 | 31.60 | 1.00 | 12.56 | 2.95 | 20.96 | 12 740.50 | 218.10 | 2 997.50 | 16.90 |
PM104-4 | 110.31 | 8.86 | 0.05 | 14.90 | 1 633.00 | 21.19 | 1.31 | 0.85 | 37.02 | 0.21 | 15.88 | 3.32 | 15.33 | 14 442.00 | 196.29 | 2 457.95 | 20.50 |
PM104-5 | 117.34 | 8.64 | 0.04 | 13.47 | 1 462.00 | 19.91 | 1.22 | 0.87 | 32.83 | 0.11 | 15.48 | 1.82 | 14.15 | 13 736.50 | 218.10 | 2 338.05 | 21.60 |
Table 2 Contents of major(%), REE(10-6) and trace(10-6) elements of the Jiangqinaliang intrusive complex
样号 | SiO2 | TiO2 | Al2O3 | Fe2O3 | FeO | MnO | MgO | CaO | Na2O | K2O | P2O5 | 烧失量 | 总量 | A/CNK | Mg# | σ | A/NK |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PM104-1 | 59.39 | 0.53 | 18.30 | 4.09 | 3.43 | 0.05 | 3.83 | 4.46 | 3.61 | 3.09 | 0.11 | 2.40 | 103.29 | 1.05 | 67 | 2.74 | 1.97 |
PM104-2 | 68.35 | 0.36 | 16.84 | 2.76 | 1.94 | 0.04 | 1.26 | 1.26 | 3.66 | 3.54 | 0.09 | 1.71 | 101.81 | 1.39 | 54 | 2.04 | 1.71 |
PM104-3 | 61.28 | 0.51 | 18.11 | 4.21 | 3.43 | 0.07 | 3.32 | 4.67 | 3.30 | 3.14 | 0.10 | 1.19 | 103.33 | 1.05 | 64 | 2.27 | 2.05 |
PM104-4 | 63.93 | 0.42 | 18.71 | 3.04 | 2.47 | 0.05 | 2.26 | 3.63 | 3.50 | 3.53 | 0.10 | 0.74 | 102.38 | 1.16 | 62 | 2.37 | 1.95 |
PM104-5 | 59.42 | 0.40 | 23.66 | 2.84 | 2.33 | 0.04 | 2.45 | 3.34 | 3.31 | 3.35 | 0.10 | 1.01 | 102.25 | 1.56 | 65 | 2.70 | 2.61 |
样号 | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | REE | LREE | HREE |
PM104-1 | 24.50 | 52.20 | 5.47 | 20.10 | 3.97 | 1.28 | 3.49 | 0.57 | 3.41 | 0.7 | 2.07 | 0.36 | 2.18 | 0.35 | 120.65 | 107.52 | 13.14 |
PM104-2 | 35.30 | 85.70 | 7.32 | 25.40 | 4.39 | 1.21 | 3.76 | 0.52 | 2.74 | 0.51 | 1.48 | 0.24 | 1.41 | 0.23 | 170.17 | 159.28 | 10.89 |
PM104-3 | 33.70 | 69.20 | 7.07 | 25.90 | 4.95 | 1.34 | 4.30 | 0.66 | 3.80 | 0.76 | 2.26 | 0.39 | 2.39 | 0.39 | 157.12 | 142.17 | 14.95 |
PM104-4 | 43.80 | 80.90 | 8.50 | 28.90 | 4.84 | 1.34 | 4.09 | 0.56 | 2.82 | 0.53 | 1.6 | 0.27 | 1.67 | 0.27 | 180.16 | 168.36 | 11.80 |
PM104-5 | 27.50 | 67.00 | 5.49 | 19.50 | 4.03 | 1.28 | 3.50 | 0.51 | 2.77 | 0.51 | 1.47 | 0.25 | 1.51 | 0.25 | 135.56 | 124.80 | 10.76 |
样号 | LREE/ HREE | δEu | δCe | (La/ Yb)N | (La/ Sm)N | (Gd/ Yb)N | Li | Be | Sc | V | Cr | Co | Ni | Zn | Ga | Rb | Sr |
PM104-1 | 8.19 | 1.03 | 1.04 | 7.57 | 3.89 | 1.29 | 34.49 | 3.40 | 14.01 | 72.31 | 52.75 | 14.53 | 14.80 | 34.21 | 32.63 | 107.90 | 470.20 |
PM104-2 | 14.63 | 0.89 | 1.22 | 16.87 | 5.05 | 2.15 | 35.17 | 3.90 | 6.36 | 23.94 | 7.64 | 4.47 | 4.24 | 57.36 | 39.37 | 145.50 | 305.50 |
PM104-3 | 9.51 | 0.87 | 1.03 | 9.49 | 4.28 | 1.45 | 61.66 | 3.73 | 12.37 | 68.00 | 72.14 | 12.88 | 21.72 | 64.68 | 36.70 | 109.40 | 353.70 |
PM104-4 | 14.27 | 0.90 | 0.95 | 17.70 | 5.70 | 1.98 | 66.74 | 4.89 | 6.66 | 45.22 | 38.62 | 8.16 | 10.29 | 52.95 | 42.33 | 152.90 | 314.80 |
PM104-5 | 11.60 | 1.02 | 1.24 | 12.31 | 4.30 | 1.87 | 78.91 | 5.44 | 6.44 | 47.68 | 35.57 | 7.65 | 9.87 | 53.06 | 39.17 | 153.90 | 305.50 |
样号 | Zr | Nb | In | Cs | Ba | Hf | Ta | Tl | Pb | Bi | Th | U | Y | K | P | Ti | Sr/Y |
PM104-1 | 99.57 | 7.63 | 0.04 | 11.79 | 1 124.00 | 8.46 | 0.98 | 0.76 | 18.35 | 23.68 | 9.46 | 2.73 | 19.32 | 12 699.00 | 239.91 | 3 117.40 | 24.30 |
PM104-2 | 148.06 | 9.88 | 0.04 | 8.83 | 1 401.00 | 12.24 | 1.25 | 0.82 | 29.41 | 0.30 | 18.70 | 1.71 | 13.87 | 14 649.50 | 196.29 | 2 158.20 | 22.00 |
PM104-3 | 114.51 | 9.57 | 0.05 | 8.60 | 1 362.00 | 13.13 | 1.32 | 0.70 | 31.60 | 1.00 | 12.56 | 2.95 | 20.96 | 12 740.50 | 218.10 | 2 997.50 | 16.90 |
PM104-4 | 110.31 | 8.86 | 0.05 | 14.90 | 1 633.00 | 21.19 | 1.31 | 0.85 | 37.02 | 0.21 | 15.88 | 3.32 | 15.33 | 14 442.00 | 196.29 | 2 457.95 | 20.50 |
PM104-5 | 117.34 | 8.64 | 0.04 | 13.47 | 1 462.00 | 19.91 | 1.22 | 0.87 | 32.83 | 0.11 | 15.48 | 1.82 | 14.15 | 13 736.50 | 218.10 | 2 338.05 | 21.60 |
Fig.5 SiO2-K2O diagram ((a), base map after ref.[46]), A/CNK-A/NK diagram ((b), base map after ref.[47]), YbN-(La/Yb)N diagram ((c), base map after ref.[48]) and TAS diagram ((d), base map after ref.[49]) of Jiangqinaliang intrusive complex
Fig.7 Chondrite-normalized REE patterns (a) and primitive mantle-normalized trace element spidergrams (b) for the Jiangqinaliang intrusive complex (base map after ref.[44])
Fig.8 Distribution of ages for intrusive rock in Indosinian from West Qinling and western part of East Qinling ((a), base map after ref.[11], ages after refs.[7-35, 55-58, 65-68]) and diagram of (Na2O+K2O+FeO+MgO+TiO2)-(Na2O+K2O)/(FeO+MgO+TiO2) for the Jiangqinaliang intrusive complex ((b), base map after ref.[73])
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