Geoscience ›› 2019, Vol. 33 ›› Issue (01): 98-111.DOI: 10.19657/j.geoscience.1000-8527.2019.01.10
• Petrology • Previous Articles Next Articles
LUO Niangang1(), WANG Binna2, LIU Xiancheng3, HONG Xiuwei1, YU Botao3, LI Qing3
Received:
2018-05-23
Revised:
2018-12-20
Online:
2019-02-26
Published:
2019-02-28
CLC Number:
LUO Niangang, WANG Binna, LIU Xiancheng, HONG Xiuwei, YU Botao, LI Qing. Geochronology and Geochemistry of Paleoproterozoic Intrusive Rocks in Western Huanren Area, Eastern Liaoning Province[J]. Geoscience, 2019, 33(01): 98-111.
测点号 | wB/% | wB/10-6 | Th/U | 同位素比值 | 同位素年龄/Ma | 同位素 年龄不 一致性 /% | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
206Pb | U | Th | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | 207Pb/ 206Pb | 1σ | 206Pb/ 238U | 1σ | |||||||||
PP18TW1-1.1 | 0.56 | 46 | 53 | 1.20 | 0.187 9 | 0.007 6 | 12.22 | 0.019 | 0.484 2 | 0.014 | 2 680 | 20.0 | 2 545 | 30 | 5 | ||||||
PP18TW1-2.1 | 0.10 | 191 | 114 | 0.61 | 0.164 5 | 0.003 9 | 10.64 | 0.012 | 0.472 0 | 0.011 | 2 493 | 7.5 | 2 492 | 22 | 0 | ||||||
PP18TW1-3.1 | 0.12 | 222 | 151 | 0.70 | 0.164 4 | 0.003 5 | 10.38 | 0.011 | 0.461 2 | 0.010 | 2 490 | 6.5 | 2 445 | 21 | 2 | ||||||
PP18TW1-4.1 | 0.06 | 489 | 250 | 0.53 | 0.161 1 | 0.002 5 | 8.529 | 0.011 | 0.385 1 | 0.011 | 2 462 | 4.6 | 2 100 | 19 | 15 | ||||||
PP18TW1-5.1 | 0.28 | 108 | 52 | 0.49 | 0.166 1 | 0.005 1 | 10.33 | 0.015 | 0.457 8 | 0.013 | 2 493 | 11.0 | 2 430 | 27 | 3 | ||||||
PP18TW1-7.1 | 0.25 | 131 | 95 | 0.75 | 0.164 6 | 0.004 6 | 9.13 | 0.012 | 0.407 7 | 0.011 | 2 480 | 9.7 | 2 204 | 20 | 11 | ||||||
PP14TW3-1.1 | 2.90 | 89 | 66 | 0.74 | 0.193 5 | 0.006 4 | 11.44 | 0.026 | 0.495 2 | 0.020 | 2 534 | 27.0 | 2 593 | 42 | -2 | ||||||
PP14TW3-2.1 | 0.07 | 689 | 124 | 0.18 | 0.160 8 | 0.005 1 | 10.35 | 0.019 | 0.468 7 | 0.019 | 2 457 | 8.8 | 2 478 | 39 | -1 | ||||||
PP14TW3-3.1 | 0.11 | 1 312 | 223 | 0.17 | 0.161 5 | 0.003 8 | 9.24 | 0.020 | 0.417 7 | 0.019 | 2 461 | 7.0 | 2 250 | 37 | 9 | ||||||
PP14TW3-4.1 | 0.10 | 790 | 324 | 0.41 | 0.161 5 | 0.006 1 | 9.30 | 0.020 | 0.420 6 | 0.019 | 2 460 | 12.0 | 2 263 | 37 | 8 | ||||||
PP14TW3-4.2 | 0.32 | 58 | 32 | 0.55 | 0.162 3 | 0.008 4 | 10.48 | 0.023 | 0.476 8 | 0.021 | 2 450 | 17.0 | 2 513 | 43 | -3 | ||||||
PP14TW3-5.1 | 0.12 | 44 | 35 | 0.79 | 0.164 6 | 0.007 2 | 11.01 | 0.021 | 0.488 4 | 0.020 | 2 492 | 12.0 | 2 564 | 42 | -3 | ||||||
PP14TW3-6.1 | 0.10 | 979 | 235 | 0.24 | 0.159 9 | 0.004 9 | 9.03 | 0.020 | 0.411 6 | 0.019 | 2 446 | 8.8 | 2 222 | 35 | 9 | ||||||
PP14TW3-7.1 | 0.12 | 188 | 124 | 0.66 | 0.164 9 | 0.006 4 | 10.36 | 0.021 | 0.458 6 | 0.020 | 2 495 | 13.0 | 2 434 | 40 | 2 | ||||||
PP14TW3-8.1 | 0.12 | 231 | 81 | 0.35 | 0.158 6 | 0.004 7 | 8.71 | 0.020 | 0.400 9 | 0.019 | 2 430 | 8.6 | 2 173 | 35 | 11 | ||||||
PP14TW3-9.1 | 0.23 | 113 | 72 | 0.64 | 0.165 8 | 0.006 3 | 11.42 | 0.021 | 0.506 | 0.020 | 2 495 | 12.0 | 2 639 | 43 | -6 | ||||||
PP14TW13-10.1 | 0.07 | 346 | 83 | 0.24 | 0.158 6 | 0.005 0 | 8.88 | 0.021 | 0.407 4 | 0.021 | 2 435 | 8.5 | 2 203 | 38 | 10 | ||||||
PP14TW3-11.1 | 0.05 | 2 025 | 324 | 0.16 | 0.160 3 | 0.004 1 | 8.97 | 0.019 | 0.407 4 | 0.019 | 2 453 | 7.1 | 2 203 | 35 | 10 | ||||||
PP14TW3-12.1 | 0.70 | 442 | 234 | 0.53 | 0.176 2 | 0.029 0 | 10.71 | 0.036 | 0.457 1 | 0.019 | 2 557 | 51.0 | 2 427 | 39 | 5 | ||||||
PP14TW3-12.2 | 0.21 | 1 135 | 454 | 0.40 | 0.160 6 | 0.007 4 | 8.40 | 0.021 | 0.384 0 | 0.020 | 2 442 | 14.0 | 2 095 | 35 | 14 | ||||||
PP14TW3-13.1 | 0.46 | 1 538 | 123 | 0.08 | 0.148 5 | 0.004 4 | 5.63 | 0.019 | 0.282 8 | 0.019 | 2 281 | 10.0 | 1 606 | 26 | 30 | ||||||
PP14TW3-13.2 | 0.37 | 315 | 123 | 0.39 | 0.162 7 | 0.004 8 | 8.75 | 0.021 | 0.398 3 | 0.020 | 2 449 | 10.0 | 2 161 | 37 | 12 | ||||||
PP14TW3-14.1 | 0.09 | 1 820 | 364 | 0.20 | 0.163 3 | 0.005 1 | 10.39 | 0.020 | 0.463 6 | 0.019 | 2 482 | 9.8 | 2 455 | 39 | 1 | ||||||
PP14TW3-15.1 | 0.08 | 439 | 351 | 0.80 | 0.165 9 | 0.006 3 | 11.35 | 0.024 | 0.498 | 0.023 | 2 509 | 11.0 | 2 606 | 50 | -4 |
Table 1 SHRIMP zircon U-Pb dating results of the Paleoproterozoic granites in the study area
测点号 | wB/% | wB/10-6 | Th/U | 同位素比值 | 同位素年龄/Ma | 同位素 年龄不 一致性 /% | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
206Pb | U | Th | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | 207Pb/ 206Pb | 1σ | 206Pb/ 238U | 1σ | |||||||||
PP18TW1-1.1 | 0.56 | 46 | 53 | 1.20 | 0.187 9 | 0.007 6 | 12.22 | 0.019 | 0.484 2 | 0.014 | 2 680 | 20.0 | 2 545 | 30 | 5 | ||||||
PP18TW1-2.1 | 0.10 | 191 | 114 | 0.61 | 0.164 5 | 0.003 9 | 10.64 | 0.012 | 0.472 0 | 0.011 | 2 493 | 7.5 | 2 492 | 22 | 0 | ||||||
PP18TW1-3.1 | 0.12 | 222 | 151 | 0.70 | 0.164 4 | 0.003 5 | 10.38 | 0.011 | 0.461 2 | 0.010 | 2 490 | 6.5 | 2 445 | 21 | 2 | ||||||
PP18TW1-4.1 | 0.06 | 489 | 250 | 0.53 | 0.161 1 | 0.002 5 | 8.529 | 0.011 | 0.385 1 | 0.011 | 2 462 | 4.6 | 2 100 | 19 | 15 | ||||||
PP18TW1-5.1 | 0.28 | 108 | 52 | 0.49 | 0.166 1 | 0.005 1 | 10.33 | 0.015 | 0.457 8 | 0.013 | 2 493 | 11.0 | 2 430 | 27 | 3 | ||||||
PP18TW1-7.1 | 0.25 | 131 | 95 | 0.75 | 0.164 6 | 0.004 6 | 9.13 | 0.012 | 0.407 7 | 0.011 | 2 480 | 9.7 | 2 204 | 20 | 11 | ||||||
PP14TW3-1.1 | 2.90 | 89 | 66 | 0.74 | 0.193 5 | 0.006 4 | 11.44 | 0.026 | 0.495 2 | 0.020 | 2 534 | 27.0 | 2 593 | 42 | -2 | ||||||
PP14TW3-2.1 | 0.07 | 689 | 124 | 0.18 | 0.160 8 | 0.005 1 | 10.35 | 0.019 | 0.468 7 | 0.019 | 2 457 | 8.8 | 2 478 | 39 | -1 | ||||||
PP14TW3-3.1 | 0.11 | 1 312 | 223 | 0.17 | 0.161 5 | 0.003 8 | 9.24 | 0.020 | 0.417 7 | 0.019 | 2 461 | 7.0 | 2 250 | 37 | 9 | ||||||
PP14TW3-4.1 | 0.10 | 790 | 324 | 0.41 | 0.161 5 | 0.006 1 | 9.30 | 0.020 | 0.420 6 | 0.019 | 2 460 | 12.0 | 2 263 | 37 | 8 | ||||||
PP14TW3-4.2 | 0.32 | 58 | 32 | 0.55 | 0.162 3 | 0.008 4 | 10.48 | 0.023 | 0.476 8 | 0.021 | 2 450 | 17.0 | 2 513 | 43 | -3 | ||||||
PP14TW3-5.1 | 0.12 | 44 | 35 | 0.79 | 0.164 6 | 0.007 2 | 11.01 | 0.021 | 0.488 4 | 0.020 | 2 492 | 12.0 | 2 564 | 42 | -3 | ||||||
PP14TW3-6.1 | 0.10 | 979 | 235 | 0.24 | 0.159 9 | 0.004 9 | 9.03 | 0.020 | 0.411 6 | 0.019 | 2 446 | 8.8 | 2 222 | 35 | 9 | ||||||
PP14TW3-7.1 | 0.12 | 188 | 124 | 0.66 | 0.164 9 | 0.006 4 | 10.36 | 0.021 | 0.458 6 | 0.020 | 2 495 | 13.0 | 2 434 | 40 | 2 | ||||||
PP14TW3-8.1 | 0.12 | 231 | 81 | 0.35 | 0.158 6 | 0.004 7 | 8.71 | 0.020 | 0.400 9 | 0.019 | 2 430 | 8.6 | 2 173 | 35 | 11 | ||||||
PP14TW3-9.1 | 0.23 | 113 | 72 | 0.64 | 0.165 8 | 0.006 3 | 11.42 | 0.021 | 0.506 | 0.020 | 2 495 | 12.0 | 2 639 | 43 | -6 | ||||||
PP14TW13-10.1 | 0.07 | 346 | 83 | 0.24 | 0.158 6 | 0.005 0 | 8.88 | 0.021 | 0.407 4 | 0.021 | 2 435 | 8.5 | 2 203 | 38 | 10 | ||||||
PP14TW3-11.1 | 0.05 | 2 025 | 324 | 0.16 | 0.160 3 | 0.004 1 | 8.97 | 0.019 | 0.407 4 | 0.019 | 2 453 | 7.1 | 2 203 | 35 | 10 | ||||||
PP14TW3-12.1 | 0.70 | 442 | 234 | 0.53 | 0.176 2 | 0.029 0 | 10.71 | 0.036 | 0.457 1 | 0.019 | 2 557 | 51.0 | 2 427 | 39 | 5 | ||||||
PP14TW3-12.2 | 0.21 | 1 135 | 454 | 0.40 | 0.160 6 | 0.007 4 | 8.40 | 0.021 | 0.384 0 | 0.020 | 2 442 | 14.0 | 2 095 | 35 | 14 | ||||||
PP14TW3-13.1 | 0.46 | 1 538 | 123 | 0.08 | 0.148 5 | 0.004 4 | 5.63 | 0.019 | 0.282 8 | 0.019 | 2 281 | 10.0 | 1 606 | 26 | 30 | ||||||
PP14TW3-13.2 | 0.37 | 315 | 123 | 0.39 | 0.162 7 | 0.004 8 | 8.75 | 0.021 | 0.398 3 | 0.020 | 2 449 | 10.0 | 2 161 | 37 | 12 | ||||||
PP14TW3-14.1 | 0.09 | 1 820 | 364 | 0.20 | 0.163 3 | 0.005 1 | 10.39 | 0.020 | 0.463 6 | 0.019 | 2 482 | 9.8 | 2 455 | 39 | 1 | ||||||
PP14TW3-15.1 | 0.08 | 439 | 351 | 0.80 | 0.165 9 | 0.006 3 | 11.35 | 0.024 | 0.498 | 0.023 | 2 509 | 11.0 | 2 606 | 50 | -4 |
取样位置 | 样品号 | SiO2 | TiO2 | Al2O3 | Fe2O3 | FeO | MnO | MgO | CaO | Na2O | K2O | P2O5 | 烧失量 | |||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
北沟岩体 | P14S3 | 78.90 | 0.15 | 11.08 | 1.31 | 0.18 | 0.014 | 0.22 | 0.15 | 0.98 | 5.5 | 0.04 | 0.77 | |||||||||||||||||||||||||||||||||||||
P14S9 | 75.16 | 0.21 | 11.68 | 3.29 | 1.22 | 0.170 | 0.56 | 0.70 | 1.52 | 5.44 | 0.06 | 0.58 | ||||||||||||||||||||||||||||||||||||||
P14S10 | 76.69 | 0.19 | 11.48 | 2.53 | 0.75 | 0.110 | 0.43 | 0.48 | 1.45 | 5.37 | 0.05 | 0.61 | ||||||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 75.76 | 0.2 | 13.12 | 0.49 | 0.54 | 0.068 | 0.14 | 0.22 | 3.86 | 5.64 | 0.05 | 0.31 | |||||||||||||||||||||||||||||||||||||
PP23S2 | 75.35 | 0.31 | 13.45 | 0.67 | 0.36 | 0.042 | 0.13 | 0.54 | 4.12 | 5.29 | 0.04 | 0.24 | ||||||||||||||||||||||||||||||||||||||
柳林子岩体 | PP18S1 | 47.96 | 1.32 | 13.49 | 2.37 | 10.35 | 0.190 | 8.27 | 10.29 | 2.34 | 0.57 | 0.10 | 2.51 | |||||||||||||||||||||||||||||||||||||
PP18S2 | 46.83 | 1.17 | 13.07 | 1.98 | 9.82 | 0.170 | 7.97 | 10.03 | 1.83 | 0.49 | 0.15 | 2.26 | ||||||||||||||||||||||||||||||||||||||
取样位置 | 样品号 | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y | ||||||||||||||||||||||||||||||||||
北沟岩体 | P14S3 | 3.87 | 8.27 | 1.062 | 5.22 | 1.33 | 0.40 | 1.54 | 0.30 | 1.61 | 0.34 | 0.74 | 0.14 | 1.01 | 0.14 | 9.07 | ||||||||||||||||||||||||||||||||||
P14S9 | 16.08 | 40.25 | 3.642 | 13.69 | 2.41 | 0.36 | 2.45 | 0.49 | 3.30 | 0.78 | 2.57 | 0.49 | 3.53 | 0.50 | 21.95 | |||||||||||||||||||||||||||||||||||
P14S10 | 9.97 | 24.26 | 2.352 | 9.45 | 1.87 | 0.38 | 2.00 | 0.39 | 2.46 | 0.56 | 1.66 | 0.32 | 2.27 | 0.32 | 15.51 | |||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 74.86 | 145.8 | 16.76 | 64.96 | 10.30 | 2.24 | 8.27 | 1.09 | 5.56 | 1.05 | 2.72 | 0.41 | 2.29 | 0.39 | 27.90 | ||||||||||||||||||||||||||||||||||
PP23S2 | 73.54 | 123.5 | 12.57 | 67.34 | 9.45 | 2.05 | 6.34 | 1.43 | 5.23 | 0.86 | 1.87 | 0.35 | 2.45 | 0.32 | 23.43 | |||||||||||||||||||||||||||||||||||
柳林子岩 体 | PP18S1 | 9.132 | 21.98 | 3.098 | 15.13 | 3.68 | 1.20 | 4.37 | 0.72 | 4.26 | 0.90 | 2.35 | 0.36 | 1.99 | 0.35 | 19.93 | ||||||||||||||||||||||||||||||||||
PP18S2 | 12.32 | 23.34 | 3.430 | 16.43 | 4.32 | 1.17 | 5.02 | 0.98 | 3.94 | 0.92 | 2.43 | 0.33 | 1.34 | 0.25 | 16.34 | |||||||||||||||||||||||||||||||||||
取样位置 | 样品号 | Cr | Co | Ni | Ga | Th | Rb | Sr | Zr | Nb | Cs | Ba | Hf | Ta | U | |||||||||||||||||||||||||||||||||||
北沟岩体 | P14S3 | 292.50 | 48.01 | 125.80 | 11.28 | 0.83 | 17.97 | 224.2 | 18.69 | 2.11 | 0.74 | 76.17 | 0.69 | 1.97 | 0.17 | |||||||||||||||||||||||||||||||||||
P14S9 | 6.35 | 3.07 | 4.39 | 10.15 | 5.53 | 19.71 | 70.6 | 240.5 | 11.51 | 18.44 | 108.90 | 7.25 | 0.97 | 1.05 | ||||||||||||||||||||||||||||||||||||
P14S10 | 200.20 | 27.90 | 78.40 | 11.07 | 3.25 | 18.26 | 116.3 | 158.6 | 7.45 | 9.56 | 87.39 | 4.36 | 1.72 | 0.74 | ||||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 31.12 | 12.3 | 20.89 | 63.88 | 16.2 | 122.5 | 500.9 | 207.9 | 25.39 | 0.69 | 1 740.5 | 4.81 | 1.86 | 2.27 | |||||||||||||||||||||||||||||||||||
PP23S2 | 19.52 | 11.4 | 16.32 | 45.22 | 15.7 | 108.2 | 402.3 | 187.4 | 22.53 | 0.45 | 1 802.1 | 4.02 | 1.23 | 2.06 | ||||||||||||||||||||||||||||||||||||
柳林子岩 体 | PP18S1 | 69.81 | 61.53 | 100.40 | 21.27 | 1.09 | 41.15 | 272.4 | 83.0 | 6.93 | 0.71 | 157.6 | 2.78 | 0.49 | 0.37 | |||||||||||||||||||||||||||||||||||
PP18S2 | 61.12 | 56.23 | 76.43 | 34.76 | 0.93 | 34.87 | 301.2 | 73.3 | 5.93 | 0.62 | 134.79 | 3.34 | 0.83 | 0.43 | ||||||||||||||||||||||||||||||||||||
取样位置 | 样品号 | σ43 | A/CNK | ΣREE | LREE/HREE | (La/Yb)N | δEu | δCe | ||||||||||||||||||||||||||||||||||||||||||
北沟岩体 | P14S3 | 1.13 | 1.067 | 26.03 | 3.44 | 2.73 | 0.87 | 0.98 | ||||||||||||||||||||||||||||||||||||||||||
P14S9 | 1.51 | 0.984 | 90.60 | 5.40 | 3.26 | 0.45 | 1.24 | |||||||||||||||||||||||||||||||||||||||||||
P14S10 | 1.38 | 1.018 | 58.32 | 4.83 | 3.15 | 0.61 | 1.19 | |||||||||||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 2.76 | 1.021 | 336.75 | 14.43 | 23.41 | 0.72 | 0.97 | ||||||||||||||||||||||||||||||||||||||||||
PP23S2 | 2.75 | 0.997 | 307.30 | 15.30 | 21.53 | 0.76 | 0.91 | |||||||||||||||||||||||||||||||||||||||||||
柳林子岩体 | PP18S1 | 1.42 | 0.582 | 69.560 | 3.54 | 3.29 | 0.92 | 1.01 | ||||||||||||||||||||||||||||||||||||||||||
PP18S2 | 0.87 | 0.600 | 76.228 | 4.01 | 6.59 | 0.77 | 0.87 |
Table 2 Major element(%), trace element(10-6), REE(10-6) compositions and elemental parameters of the Paleoproterozoic intrusive rocks in the study area
取样位置 | 样品号 | SiO2 | TiO2 | Al2O3 | Fe2O3 | FeO | MnO | MgO | CaO | Na2O | K2O | P2O5 | 烧失量 | |||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
北沟岩体 | P14S3 | 78.90 | 0.15 | 11.08 | 1.31 | 0.18 | 0.014 | 0.22 | 0.15 | 0.98 | 5.5 | 0.04 | 0.77 | |||||||||||||||||||||||||||||||||||||
P14S9 | 75.16 | 0.21 | 11.68 | 3.29 | 1.22 | 0.170 | 0.56 | 0.70 | 1.52 | 5.44 | 0.06 | 0.58 | ||||||||||||||||||||||||||||||||||||||
P14S10 | 76.69 | 0.19 | 11.48 | 2.53 | 0.75 | 0.110 | 0.43 | 0.48 | 1.45 | 5.37 | 0.05 | 0.61 | ||||||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 75.76 | 0.2 | 13.12 | 0.49 | 0.54 | 0.068 | 0.14 | 0.22 | 3.86 | 5.64 | 0.05 | 0.31 | |||||||||||||||||||||||||||||||||||||
PP23S2 | 75.35 | 0.31 | 13.45 | 0.67 | 0.36 | 0.042 | 0.13 | 0.54 | 4.12 | 5.29 | 0.04 | 0.24 | ||||||||||||||||||||||||||||||||||||||
柳林子岩体 | PP18S1 | 47.96 | 1.32 | 13.49 | 2.37 | 10.35 | 0.190 | 8.27 | 10.29 | 2.34 | 0.57 | 0.10 | 2.51 | |||||||||||||||||||||||||||||||||||||
PP18S2 | 46.83 | 1.17 | 13.07 | 1.98 | 9.82 | 0.170 | 7.97 | 10.03 | 1.83 | 0.49 | 0.15 | 2.26 | ||||||||||||||||||||||||||||||||||||||
取样位置 | 样品号 | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y | ||||||||||||||||||||||||||||||||||
北沟岩体 | P14S3 | 3.87 | 8.27 | 1.062 | 5.22 | 1.33 | 0.40 | 1.54 | 0.30 | 1.61 | 0.34 | 0.74 | 0.14 | 1.01 | 0.14 | 9.07 | ||||||||||||||||||||||||||||||||||
P14S9 | 16.08 | 40.25 | 3.642 | 13.69 | 2.41 | 0.36 | 2.45 | 0.49 | 3.30 | 0.78 | 2.57 | 0.49 | 3.53 | 0.50 | 21.95 | |||||||||||||||||||||||||||||||||||
P14S10 | 9.97 | 24.26 | 2.352 | 9.45 | 1.87 | 0.38 | 2.00 | 0.39 | 2.46 | 0.56 | 1.66 | 0.32 | 2.27 | 0.32 | 15.51 | |||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 74.86 | 145.8 | 16.76 | 64.96 | 10.30 | 2.24 | 8.27 | 1.09 | 5.56 | 1.05 | 2.72 | 0.41 | 2.29 | 0.39 | 27.90 | ||||||||||||||||||||||||||||||||||
PP23S2 | 73.54 | 123.5 | 12.57 | 67.34 | 9.45 | 2.05 | 6.34 | 1.43 | 5.23 | 0.86 | 1.87 | 0.35 | 2.45 | 0.32 | 23.43 | |||||||||||||||||||||||||||||||||||
柳林子岩 体 | PP18S1 | 9.132 | 21.98 | 3.098 | 15.13 | 3.68 | 1.20 | 4.37 | 0.72 | 4.26 | 0.90 | 2.35 | 0.36 | 1.99 | 0.35 | 19.93 | ||||||||||||||||||||||||||||||||||
PP18S2 | 12.32 | 23.34 | 3.430 | 16.43 | 4.32 | 1.17 | 5.02 | 0.98 | 3.94 | 0.92 | 2.43 | 0.33 | 1.34 | 0.25 | 16.34 | |||||||||||||||||||||||||||||||||||
取样位置 | 样品号 | Cr | Co | Ni | Ga | Th | Rb | Sr | Zr | Nb | Cs | Ba | Hf | Ta | U | |||||||||||||||||||||||||||||||||||
北沟岩体 | P14S3 | 292.50 | 48.01 | 125.80 | 11.28 | 0.83 | 17.97 | 224.2 | 18.69 | 2.11 | 0.74 | 76.17 | 0.69 | 1.97 | 0.17 | |||||||||||||||||||||||||||||||||||
P14S9 | 6.35 | 3.07 | 4.39 | 10.15 | 5.53 | 19.71 | 70.6 | 240.5 | 11.51 | 18.44 | 108.90 | 7.25 | 0.97 | 1.05 | ||||||||||||||||||||||||||||||||||||
P14S10 | 200.20 | 27.90 | 78.40 | 11.07 | 3.25 | 18.26 | 116.3 | 158.6 | 7.45 | 9.56 | 87.39 | 4.36 | 1.72 | 0.74 | ||||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 31.12 | 12.3 | 20.89 | 63.88 | 16.2 | 122.5 | 500.9 | 207.9 | 25.39 | 0.69 | 1 740.5 | 4.81 | 1.86 | 2.27 | |||||||||||||||||||||||||||||||||||
PP23S2 | 19.52 | 11.4 | 16.32 | 45.22 | 15.7 | 108.2 | 402.3 | 187.4 | 22.53 | 0.45 | 1 802.1 | 4.02 | 1.23 | 2.06 | ||||||||||||||||||||||||||||||||||||
柳林子岩 体 | PP18S1 | 69.81 | 61.53 | 100.40 | 21.27 | 1.09 | 41.15 | 272.4 | 83.0 | 6.93 | 0.71 | 157.6 | 2.78 | 0.49 | 0.37 | |||||||||||||||||||||||||||||||||||
PP18S2 | 61.12 | 56.23 | 76.43 | 34.76 | 0.93 | 34.87 | 301.2 | 73.3 | 5.93 | 0.62 | 134.79 | 3.34 | 0.83 | 0.43 | ||||||||||||||||||||||||||||||||||||
取样位置 | 样品号 | σ43 | A/CNK | ΣREE | LREE/HREE | (La/Yb)N | δEu | δCe | ||||||||||||||||||||||||||||||||||||||||||
北沟岩体 | P14S3 | 1.13 | 1.067 | 26.03 | 3.44 | 2.73 | 0.87 | 0.98 | ||||||||||||||||||||||||||||||||||||||||||
P14S9 | 1.51 | 0.984 | 90.60 | 5.40 | 3.26 | 0.45 | 1.24 | |||||||||||||||||||||||||||||||||||||||||||
P14S10 | 1.38 | 1.018 | 58.32 | 4.83 | 3.15 | 0.61 | 1.19 | |||||||||||||||||||||||||||||||||||||||||||
正岔岩体 | PP23S1 | 2.76 | 1.021 | 336.75 | 14.43 | 23.41 | 0.72 | 0.97 | ||||||||||||||||||||||||||||||||||||||||||
PP23S2 | 2.75 | 0.997 | 307.30 | 15.30 | 21.53 | 0.76 | 0.91 | |||||||||||||||||||||||||||||||||||||||||||
柳林子岩体 | PP18S1 | 1.42 | 0.582 | 69.560 | 3.54 | 3.29 | 0.92 | 1.01 | ||||||||||||||||||||||||||||||||||||||||||
PP18S2 | 0.87 | 0.600 | 76.228 | 4.01 | 6.59 | 0.77 | 0.87 |
Fig.6 Chondrite-normalized REE patterns(a) and primitive mantle-normalized trace element spider diagrams(b)[18] for the Paleoproterozoic intrusive rocks in the study area
Fig. 7 Na2O vs.K2O(a)and SiO2 vs.Ce(b)discrimination diagrams for the Paleoproterozoic intrusive rocks in the study area (base map after Sun et al.[22])
Fig.8 10,000×Ga/Al vs.(K2O+Na2O)(a) and 10,000×Ga/Al vs.Y(b)discrimination diagrams for the Paleoproterozoic intrusive rocks in the study area (base map after SUN et al.[22])
Fig.9 (Y+Nb)vs.Rb(a)and (Yb+Ta)vs.Rb(b)discrimination diagrams for the Paleoproterozoic intrusive rocks in the study area (base map after PEARCE et al.[34])
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