Geoscience ›› 2023, Vol. 37 ›› Issue (06): 1467-1481.DOI: 10.19657/j.geoscience.1000-8527.2023.001
• Ore Deposits and Regional Metallogeny • Previous Articles Next Articles
ZHOU Yan1,2(), FAN Feipeng1,2, KANG Congxuan1, ZHAO Xilin1, XIAO Fan1,2, XU Mincheng1,2, SHEN Mangting1,2, ZHU Yiping1,2
Received:
2022-02-24
Revised:
2023-01-05
Online:
2023-12-10
Published:
2024-01-24
CLC Number:
ZHOU Yan, FAN Feipeng, KANG Congxuan, ZHAO Xilin, XIAO Fan, XU Mincheng, SHEN Mangting, ZHU Yiping. Geochronological and Geochemical Characteristics of the Tianchitang Granodiorite in Southwestern Fujian Province: Indications for the Regional Metallogeny[J]. Geoscience, 2023, 37(06): 1467-1481.
样号 | Pb | 232Th | 238U | 232Th/ 238U | 同位素比值 | 年龄(Ma) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(10-6) | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | |||||
D205-TW1-2 | 1.52 | 45.4 | 92.0 | 0.49 | 0.0543 | 0.0032 | 0.1169 | 0.0064 | 0.0159 | 0.0002 | 383.0 | 127.0 | 112.0 | 5.8 | 101.0 | 1.5 | |
D205-TW1-4 | 1.51 | 30.8 | 78.7 | 0.39 | 0.0541 | 0.0037 | 0.1169 | 0.0076 | 0.0160 | 0.0003 | 372.0 | 154.0 | 112.0 | 6.9 | 103.0 | 1.6 | |
D205-TW1-6 | 1.63 | 36.8 | 96.5 | 0.38 | 0.0478 | 0.0028 | 0.1040 | 0.0060 | 0.0160 | 0.0002 | 87.1 | 133.0 | 100.0 | 5.5 | 102.0 | 1.5 | |
D205-TW1-7 | 1.37 | 32.8 | 75.3 | 0.44 | 0.0508 | 0.0027 | 0.1099 | 0.0062 | 0.0160 | 0.0003 | 232.0 | 126.0 | 106.0 | 5.6 | 102.0 | 1.8 | |
D205-TW1-10 | 1.35 | 36.8 | 70.7 | 0.52 | 0.0532 | 0.0037 | 0.1130 | 0.0075 | 0.0160 | 0.0003 | 339.0 | 164.0 | 109.0 | 6.8 | 102.0 | 1.9 | |
D205-TW1-12 | 1.36 | 37.9 | 84.3 | 0.45 | 0.0543 | 0.0035 | 0.1159 | 0.0070 | 0.0159 | 0.0003 | 383.0 | 143.0 | 111.0 | 6.4 | 102.0 | 1.6 | |
D205-TW1-13 | 1.49 | 46.4 | 113.0 | 0.41 | 0.0515 | 0.0025 | 0.1120 | 0.0056 | 0.0160 | 0.0002 | 265.0 | 113.0 | 108.0 | 5.1 | 102.0 | 1.5 | |
D205-TW1-14 | 1.14 | 39.6 | 70.1 | 0.56 | 0.0440 | 0.0034 | 0.0939 | 0.0073 | 0.0156 | 0.0002 | - | - | 91.2 | 6.8 | 99.9 | 1.4 | |
D205-TW1-15 | 1.79 | 57.1 | 99.2 | 0.58 | 0.0571 | 0.0030 | 0.1186 | 0.0061 | 0.0153 | 0.0002 | 494.0 | 117.0 | 114.0 | 5.5 | 98.2 | 1.5 | |
D205-TW1-16 | 1.56 | 55.6 | 125.0 | 0.44 | 0.0537 | 0.0028 | 0.1121 | 0.0058 | 0.0153 | 0.0002 | 367.0 | 120.0 | 108.0 | 5.3 | 98.1 | 1.5 | |
D205-TW1-17 | 1.72 | 35.8 | 65.1 | 0.55 | 0.0534 | 0.0039 | 0.1085 | 0.0068 | 0.0154 | 0.0003 | 346.0 | 165.0 | 105.0 | 6.3 | 98.4 | 1.8 | |
D205-TW1-18 | 0.91 | 32.3 | 59.5 | 0.54 | 0.0469 | 0.0040 | 0.0970 | 0.0075 | 0.0158 | 0.0003 | 42.7 | 193.0 | 94.0 | 6.9 | 101.0 | 1.8 | |
D205-TW1-23 | 0.98 | 33.7 | 74.8 | 0.45 | 0.0522 | 0.0030 | 0.1127 | 0.0063 | 0.0159 | 0.0002 | 295.0 | 127.0 | 108.0 | 5.8 | 101.0 | 1.5 | |
D205-TW1-25 | 1.16 | 32.6 | 75.4 | 0.43 | 0.0445 | 0.0034 | 0.0946 | 0.0069 | 0.0158 | 0.0002 | - | - | 91.8 | 6.4 | 101.0 | 1.6 | |
D205-TW1-27 | 0.77 | 25.0 | 58.9 | 0.42 | 0.0577 | 0.0036 | 0.1148 | 0.0069 | 0.0151 | 0.0003 | 517.0 | 139.0 | 110.0 | 6.2 | 96.4 | 1.8 | |
D205-TW1-29 | 1.09 | 24.1 | 56.9 | 0.42 | 0.0581 | 0.0039 | 0.1240 | 0.0074 | 0.0162 | 0.0003 | 532.0 | 148.0 | 119.0 | 6.7 | 103.0 | 1.9 | |
D205-TW1-30 | 1.58 | 43.8 | 102.0 | 0.43 | 0.0526 | 0.0031 | 0.1106 | 0.0061 | 0.0158 | 0.0003 | 309.0 | 135.0 | 106.0 | 5.6 | 101.0 | 1.7 | |
D207-TW1-1 | 0.63 | 22.5 | 62.5 | 0.36 | 0.0474 | 0.0029 | 0.0978 | 0.0060 | 0.0153 | 0.0003 | 77.9 | 131.0 | 94.7 | 5.5 | 98.1 | 1.7 | |
D207-TW1-2 | 1.10 | 43.1 | 102.0 | 0.42 | 0.0562 | 0.0032 | 0.1196 | 0.0066 | 0.0158 | 0.0002 | 461.0 | 126.0 | 115.0 | 6.0 | 101.0 | 1.5 | |
D207-TW1-3 | 0.53 | 19.8 | 61.7 | 0.32 | 0.0523 | 0.0034 | 0.1126 | 0.0070 | 0.0161 | 0.0003 | 298.0 | 148.0 | 108.0 | 6.3 | 103.0 | 1.9 | |
D207-TW1-5 | 1.22 | 42.4 | 106.0 | 0.40 | 0.0518 | 0.0030 | 0.1075 | 0.0061 | 0.0153 | 0.0002 | 276.0 | 164.0 | 104.0 | 5.6 | 98.0 | 1.3 | |
D207-TW1-6 | 1.72 | 35.5 | 375.0 | 0.09 | 0.0469 | 0.0016 | 0.1029 | 0.0040 | 0.0158 | 0.0002 | 42.7 | 77.8 | 99.5 | 3.7 | 101.0 | 1.6 | |
D207-TW1-7 | 1.35 | 44.1 | 120.0 | 0.37 | 0.0509 | 0.0028 | 0.1087 | 0.0054 | 0.0159 | 0.0002 | 235.0 | 131.0 | 105.0 | 4.9 | 102.0 | 1.4 | |
D207-TW1-9 | 1.38 | 56.1 | 132.0 | 0.43 | 0.0543 | 0.0031 | 0.1128 | 0.0061 | 0.0154 | 0.0002 | 383.0 | 128.0 | 109.0 | 5.6 | 98.4 | 1.5 | |
D207-TW1-10 | 1.02 | 36.2 | 102.0 | 0.35 | 0.0532 | 0.0031 | 0.1120 | 0.0061 | 0.0156 | 0.0002 | 345.0 | 133.0 | 108.0 | 5.6 | 99.5 | 1.5 | |
D207-TW1-12 | 1.63 | 59.7 | 146.0 | 0.41 | 0.0567 | 0.0031 | 0.1197 | 0.0065 | 0.0155 | 0.0003 | 480.0 | 124.0 | 115.0 | 5.9 | 99.0 | 1.6 | |
D207-TW1-13 | 1.27 | 50.8 | 104.0 | 0.49 | 0.0515 | 0.0026 | 0.1094 | 0.0054 | 0.0155 | 0.0002 | 261.0 | 117.0 | 105.0 | 5.0 | 99.1 | 1.4 | |
D207-TW1-14 | 1.46 | 53.6 | 131.0 | 0.41 | 0.0532 | 0.0024 | 0.1115 | 0.0048 | 0.0155 | 0.0002 | 345.0 | 102.0 | 107.0 | 4.4 | 99.2 | 1.5 | |
D207-TW1-16 | 1.46 | 58.3 | 111.0 | 0.53 | 0.0506 | 0.0027 | 0.1069 | 0.0057 | 0.0154 | 0.0002 | 233.0 | 124.0 | 103.0 | 5.2 | 98.3 | 1.4 | |
D207-TW1-19 | 1.34 | 50.8 | 117.0 | 0.43 | 0.0530 | 0.0026 | 0.1155 | 0.0058 | 0.0157 | 0.0002 | 328.0 | 109.0 | 111.0 | 5.3 | 101 | 1.4 | |
D207-TW1-21 | 1.11 | 36.3 | 91.9 | 0.39 | 0.0505 | 0.0033 | 0.1060 | 0.0066 | 0.0155 | 0.0003 | 217.0 | 152.0 | 102.0 | 6.1 | 99.0 | 1.7 | |
D207-TW1-23 | 1.75 | 65.2 | 152.0 | 0.43 | 0.0531 | 0.0026 | 0.1137 | 0.0054 | 0.0157 | 0.0002 | 332.0 | 113.0 | 109.0 | 4.9 | 100.0 | 1.2 | |
D207-TW1-24 | 1.40 | 50.2 | 140.0 | 0.36 | 0.0536 | 0.0027 | 0.1163 | 0.0061 | 0.0157 | 0.0002 | 354.0 | 115.0 | 112.0 | 5.5 | 100.0 | 1.4 | |
D207-TW1-26 | 1.18 | 41.3 | 112.0 | 0.37 | 0.0526 | 0.0035 | 0.1101 | 0.0069 | 0.0156 | 0.0003 | 322.0 | 152.0 | 106.0 | 6.3 | 99.6 | 1.7 | |
D207-TW1-29 | 1.83 | 70.4 | 143.0 | 0.49 | 0.0502 | 0.0022 | 0.1059 | 0.0049 | 0.0153 | 0.0002 | 211.0 | 104.0 | 102.0 | 4.5 | 97.8 | 1.3 |
Table 1 LA-ICP-MS zircon U-Pb data of the Tianchitang granodiorite
样号 | Pb | 232Th | 238U | 232Th/ 238U | 同位素比值 | 年龄(Ma) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(10-6) | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | 207Pb/ 206Pb | 1σ | 207Pb/ 235U | 1σ | 206Pb/ 238U | 1σ | |||||
D205-TW1-2 | 1.52 | 45.4 | 92.0 | 0.49 | 0.0543 | 0.0032 | 0.1169 | 0.0064 | 0.0159 | 0.0002 | 383.0 | 127.0 | 112.0 | 5.8 | 101.0 | 1.5 | |
D205-TW1-4 | 1.51 | 30.8 | 78.7 | 0.39 | 0.0541 | 0.0037 | 0.1169 | 0.0076 | 0.0160 | 0.0003 | 372.0 | 154.0 | 112.0 | 6.9 | 103.0 | 1.6 | |
D205-TW1-6 | 1.63 | 36.8 | 96.5 | 0.38 | 0.0478 | 0.0028 | 0.1040 | 0.0060 | 0.0160 | 0.0002 | 87.1 | 133.0 | 100.0 | 5.5 | 102.0 | 1.5 | |
D205-TW1-7 | 1.37 | 32.8 | 75.3 | 0.44 | 0.0508 | 0.0027 | 0.1099 | 0.0062 | 0.0160 | 0.0003 | 232.0 | 126.0 | 106.0 | 5.6 | 102.0 | 1.8 | |
D205-TW1-10 | 1.35 | 36.8 | 70.7 | 0.52 | 0.0532 | 0.0037 | 0.1130 | 0.0075 | 0.0160 | 0.0003 | 339.0 | 164.0 | 109.0 | 6.8 | 102.0 | 1.9 | |
D205-TW1-12 | 1.36 | 37.9 | 84.3 | 0.45 | 0.0543 | 0.0035 | 0.1159 | 0.0070 | 0.0159 | 0.0003 | 383.0 | 143.0 | 111.0 | 6.4 | 102.0 | 1.6 | |
D205-TW1-13 | 1.49 | 46.4 | 113.0 | 0.41 | 0.0515 | 0.0025 | 0.1120 | 0.0056 | 0.0160 | 0.0002 | 265.0 | 113.0 | 108.0 | 5.1 | 102.0 | 1.5 | |
D205-TW1-14 | 1.14 | 39.6 | 70.1 | 0.56 | 0.0440 | 0.0034 | 0.0939 | 0.0073 | 0.0156 | 0.0002 | - | - | 91.2 | 6.8 | 99.9 | 1.4 | |
D205-TW1-15 | 1.79 | 57.1 | 99.2 | 0.58 | 0.0571 | 0.0030 | 0.1186 | 0.0061 | 0.0153 | 0.0002 | 494.0 | 117.0 | 114.0 | 5.5 | 98.2 | 1.5 | |
D205-TW1-16 | 1.56 | 55.6 | 125.0 | 0.44 | 0.0537 | 0.0028 | 0.1121 | 0.0058 | 0.0153 | 0.0002 | 367.0 | 120.0 | 108.0 | 5.3 | 98.1 | 1.5 | |
D205-TW1-17 | 1.72 | 35.8 | 65.1 | 0.55 | 0.0534 | 0.0039 | 0.1085 | 0.0068 | 0.0154 | 0.0003 | 346.0 | 165.0 | 105.0 | 6.3 | 98.4 | 1.8 | |
D205-TW1-18 | 0.91 | 32.3 | 59.5 | 0.54 | 0.0469 | 0.0040 | 0.0970 | 0.0075 | 0.0158 | 0.0003 | 42.7 | 193.0 | 94.0 | 6.9 | 101.0 | 1.8 | |
D205-TW1-23 | 0.98 | 33.7 | 74.8 | 0.45 | 0.0522 | 0.0030 | 0.1127 | 0.0063 | 0.0159 | 0.0002 | 295.0 | 127.0 | 108.0 | 5.8 | 101.0 | 1.5 | |
D205-TW1-25 | 1.16 | 32.6 | 75.4 | 0.43 | 0.0445 | 0.0034 | 0.0946 | 0.0069 | 0.0158 | 0.0002 | - | - | 91.8 | 6.4 | 101.0 | 1.6 | |
D205-TW1-27 | 0.77 | 25.0 | 58.9 | 0.42 | 0.0577 | 0.0036 | 0.1148 | 0.0069 | 0.0151 | 0.0003 | 517.0 | 139.0 | 110.0 | 6.2 | 96.4 | 1.8 | |
D205-TW1-29 | 1.09 | 24.1 | 56.9 | 0.42 | 0.0581 | 0.0039 | 0.1240 | 0.0074 | 0.0162 | 0.0003 | 532.0 | 148.0 | 119.0 | 6.7 | 103.0 | 1.9 | |
D205-TW1-30 | 1.58 | 43.8 | 102.0 | 0.43 | 0.0526 | 0.0031 | 0.1106 | 0.0061 | 0.0158 | 0.0003 | 309.0 | 135.0 | 106.0 | 5.6 | 101.0 | 1.7 | |
D207-TW1-1 | 0.63 | 22.5 | 62.5 | 0.36 | 0.0474 | 0.0029 | 0.0978 | 0.0060 | 0.0153 | 0.0003 | 77.9 | 131.0 | 94.7 | 5.5 | 98.1 | 1.7 | |
D207-TW1-2 | 1.10 | 43.1 | 102.0 | 0.42 | 0.0562 | 0.0032 | 0.1196 | 0.0066 | 0.0158 | 0.0002 | 461.0 | 126.0 | 115.0 | 6.0 | 101.0 | 1.5 | |
D207-TW1-3 | 0.53 | 19.8 | 61.7 | 0.32 | 0.0523 | 0.0034 | 0.1126 | 0.0070 | 0.0161 | 0.0003 | 298.0 | 148.0 | 108.0 | 6.3 | 103.0 | 1.9 | |
D207-TW1-5 | 1.22 | 42.4 | 106.0 | 0.40 | 0.0518 | 0.0030 | 0.1075 | 0.0061 | 0.0153 | 0.0002 | 276.0 | 164.0 | 104.0 | 5.6 | 98.0 | 1.3 | |
D207-TW1-6 | 1.72 | 35.5 | 375.0 | 0.09 | 0.0469 | 0.0016 | 0.1029 | 0.0040 | 0.0158 | 0.0002 | 42.7 | 77.8 | 99.5 | 3.7 | 101.0 | 1.6 | |
D207-TW1-7 | 1.35 | 44.1 | 120.0 | 0.37 | 0.0509 | 0.0028 | 0.1087 | 0.0054 | 0.0159 | 0.0002 | 235.0 | 131.0 | 105.0 | 4.9 | 102.0 | 1.4 | |
D207-TW1-9 | 1.38 | 56.1 | 132.0 | 0.43 | 0.0543 | 0.0031 | 0.1128 | 0.0061 | 0.0154 | 0.0002 | 383.0 | 128.0 | 109.0 | 5.6 | 98.4 | 1.5 | |
D207-TW1-10 | 1.02 | 36.2 | 102.0 | 0.35 | 0.0532 | 0.0031 | 0.1120 | 0.0061 | 0.0156 | 0.0002 | 345.0 | 133.0 | 108.0 | 5.6 | 99.5 | 1.5 | |
D207-TW1-12 | 1.63 | 59.7 | 146.0 | 0.41 | 0.0567 | 0.0031 | 0.1197 | 0.0065 | 0.0155 | 0.0003 | 480.0 | 124.0 | 115.0 | 5.9 | 99.0 | 1.6 | |
D207-TW1-13 | 1.27 | 50.8 | 104.0 | 0.49 | 0.0515 | 0.0026 | 0.1094 | 0.0054 | 0.0155 | 0.0002 | 261.0 | 117.0 | 105.0 | 5.0 | 99.1 | 1.4 | |
D207-TW1-14 | 1.46 | 53.6 | 131.0 | 0.41 | 0.0532 | 0.0024 | 0.1115 | 0.0048 | 0.0155 | 0.0002 | 345.0 | 102.0 | 107.0 | 4.4 | 99.2 | 1.5 | |
D207-TW1-16 | 1.46 | 58.3 | 111.0 | 0.53 | 0.0506 | 0.0027 | 0.1069 | 0.0057 | 0.0154 | 0.0002 | 233.0 | 124.0 | 103.0 | 5.2 | 98.3 | 1.4 | |
D207-TW1-19 | 1.34 | 50.8 | 117.0 | 0.43 | 0.0530 | 0.0026 | 0.1155 | 0.0058 | 0.0157 | 0.0002 | 328.0 | 109.0 | 111.0 | 5.3 | 101 | 1.4 | |
D207-TW1-21 | 1.11 | 36.3 | 91.9 | 0.39 | 0.0505 | 0.0033 | 0.1060 | 0.0066 | 0.0155 | 0.0003 | 217.0 | 152.0 | 102.0 | 6.1 | 99.0 | 1.7 | |
D207-TW1-23 | 1.75 | 65.2 | 152.0 | 0.43 | 0.0531 | 0.0026 | 0.1137 | 0.0054 | 0.0157 | 0.0002 | 332.0 | 113.0 | 109.0 | 4.9 | 100.0 | 1.2 | |
D207-TW1-24 | 1.40 | 50.2 | 140.0 | 0.36 | 0.0536 | 0.0027 | 0.1163 | 0.0061 | 0.0157 | 0.0002 | 354.0 | 115.0 | 112.0 | 5.5 | 100.0 | 1.4 | |
D207-TW1-26 | 1.18 | 41.3 | 112.0 | 0.37 | 0.0526 | 0.0035 | 0.1101 | 0.0069 | 0.0156 | 0.0003 | 322.0 | 152.0 | 106.0 | 6.3 | 99.6 | 1.7 | |
D207-TW1-29 | 1.83 | 70.4 | 143.0 | 0.49 | 0.0502 | 0.0022 | 0.1059 | 0.0049 | 0.0153 | 0.0002 | 211.0 | 104.0 | 102.0 | 4.5 | 97.8 | 1.3 |
名称 | 岩性 | 样号 | 质量百分比(%) | 特征参数 | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | FeO | MgO | CaO | Na2O | K2O | TiO2 | P2O5 | MnO | SO3 | 烧失量 | 总量 | A/NK | A/CNK | δ | AR | ||||
天池塘 | 花岗 闪长 岩 | D203-YQ1 | 59.52 | 15.71 | 2.16 | 3.44 | 3.81 | 5.25 | 2.95 | 3.86 | 0.84 | 0.24 | 0.100 | 0.11 | 1.56 | 99.55 | 1.74 | 0.85 | 2.81 | 1.96 | |
D205-YQ1 | 61.64 | 15.84 | 2.33 | 2.97 | 2.98 | 4.84 | 3.06 | 4.12 | 0.78 | 0.25 | 0.093 | 0.10 | 0.93 | 99.93 | 1.67 | 0.87 | 2.77 | 2.06 | |||
D206-YQ1 | 61.28 | 16.00 | 2.54 | 2.72 | 2.78 | 3.73 | 2.82 | 4.29 | 0.81 | 0.27 | 0.088 | 0.16 | 2.23 | 99.72 | 1.72 | 1.00 | 2.77 | 2.13 | |||
D207-YQ1 | 64.00 | 16.34 | 2.24 | 1.87 | 1.83 | 2.59 | 2.80 | 4.43 | 0.58 | 0.20 | 0.066 | 0.18 | 2.62 | 99.75 | 1.74 | 1.56 | 2.49 | 2.24 | |||
D208-YQ1 | 66.45 | 13.79 | 0.88 | 3.58 | 2.52 | 2.62 | 2.17 | 4.32 | 0.67 | 0.18 | 0.130 | 0.24 | 2.07 | 99.62 | 1.67 | 1.06 | 1.80 | 2.31 | |||
紫金山四坊 | 花岗 闪长 斑岩 | SF-1 | 62.39 | 16.27 | 2.49 | 2.64 | 2.29 | 4.82 | 3.21 | 3.33 | 0.51 | 0.30 | 0.096 | 1.50 | 99.84 | 1.83 | 0.91 | 2.21 | 1.90 | ||
SF-2 | 64.63 | 15.26 | 1.59 | 2.56 | 1.92 | 3.69 | 3.75 | 2.24 | 0.51 | 0.34 | 0.170 | 2.91 | 99.57 | 1.78 | 0.99 | 1.66 | 1.92 | ||||
SF-3 | 64.96 | 15.42 | 1.76 | 2.41 | 2.02 | 4.08 | 3.32 | 3.64 | 0.56 | 0.42 | 0.190 | 1.35 | 100.13 | 1.64 | 0.92 | 2.21 | 2.11 | ||||
SF-4 | 65.77 | 15.32 | 1.72 | 2.19 | 1.62 | 3.51 | 3.34 | 4.30 | 0.42 | 0.15 | 0.090 | 1.90 | 100.33 | 1.51 | 0.93 | 2.56 | 2.37 | ||||
花岗 闪长 岩 | SF-5 | 65.39 | 15.23 | 1.70 | 2.92 | 1.90 | 4.06 | 2.95 | 3.62 | 0.48 | 0.190 | 0.110 | 1.34 | 99.89 | 1.74 | 0.94 | 1.93 | 2.03 | |||
SF-6 | 67.58 | 16.06 | 1.37 | 1.73 | 1.33 | 3.58 | 3.02 | 3.66 | 0.37 | 0.210 | 0.099 | 1.01 | 100.01 | 1.80 | 1.03 | 1.82 | 2.03 | ||||
SF-7 | 67.88 | 15.22 | 1.68 | 1.76 | 1.69 | 3.32 | 2.74 | 3.89 | 0.44 | 0.250 | 0.120 | 0.99 | 99.98 | 1.75 | 1.03 | 1.77 | 2.11 | ||||
SF-8 | 65.59 | 15.28 | 1.61 | 2.96 | 1.90 | 3.33 | 2.96 | 3.78 | 0.49 | 0.220 | 0.110 | 1.93 | 100.16 | 1.71 | 1.02 | 2.01 | 2.14 | ||||
SF-9 | 67.47 | 14.86 | 1.03 | 3.18 | 1.31 | 3.32 | 2.80 | 4.00 | 0.42 | 0.047 | 0.160 | 1.39 | 99.99 | 1.66 | 0.99 | 1.89 | 2.20 | ||||
紫金 山罗 卜岭 | 花岗 闪长 斑岩 | LBL-1 | 64.67 | 15.58 | 2.00 | 1.60 | 1.79 | 2.52 | 2.70 | 4.89 | 0.53 | 0.22 | 0.07 | 2.94 | 99.51 | 1.60 | 1.09 | 2.66 | 2.44 | ||
LBL-2 | 65.44 | 15.44 | 2.80 | 2.82 | 1.43 | 2.76 | 3.00 | 4.00 | 0.34 | 0.19 | 0.09 | 1.24 | 99.55 | 1.67 | 1.08 | 2.18 | 2.25 | ||||
LBL-3 | 64.88 | 15.26 | 1.59 | 2.56 | 1.92 | 3.69 | 3.75 | 2.24 | 0.51 | 0.34 | 0.17 | 2.48 | 99.39 | 1.78 | 1.00 | 1.64 | 1.92 | ||||
LBL-4 | 64.96 | 15.42 | 1.76 | 2.41 | 2.02 | 4.08 | 3.32 | 3.64 | 0.56 | 0.42 | 0.19 | 1.16 | 99.94 | 1.64 | 0.92 | 2.21 | 2.11 |
Table 2 Major element contents of the Tianchitang granodiorite and the ore-forming intrusions in the Zijinshan orefield
名称 | 岩性 | 样号 | 质量百分比(%) | 特征参数 | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | FeO | MgO | CaO | Na2O | K2O | TiO2 | P2O5 | MnO | SO3 | 烧失量 | 总量 | A/NK | A/CNK | δ | AR | ||||
天池塘 | 花岗 闪长 岩 | D203-YQ1 | 59.52 | 15.71 | 2.16 | 3.44 | 3.81 | 5.25 | 2.95 | 3.86 | 0.84 | 0.24 | 0.100 | 0.11 | 1.56 | 99.55 | 1.74 | 0.85 | 2.81 | 1.96 | |
D205-YQ1 | 61.64 | 15.84 | 2.33 | 2.97 | 2.98 | 4.84 | 3.06 | 4.12 | 0.78 | 0.25 | 0.093 | 0.10 | 0.93 | 99.93 | 1.67 | 0.87 | 2.77 | 2.06 | |||
D206-YQ1 | 61.28 | 16.00 | 2.54 | 2.72 | 2.78 | 3.73 | 2.82 | 4.29 | 0.81 | 0.27 | 0.088 | 0.16 | 2.23 | 99.72 | 1.72 | 1.00 | 2.77 | 2.13 | |||
D207-YQ1 | 64.00 | 16.34 | 2.24 | 1.87 | 1.83 | 2.59 | 2.80 | 4.43 | 0.58 | 0.20 | 0.066 | 0.18 | 2.62 | 99.75 | 1.74 | 1.56 | 2.49 | 2.24 | |||
D208-YQ1 | 66.45 | 13.79 | 0.88 | 3.58 | 2.52 | 2.62 | 2.17 | 4.32 | 0.67 | 0.18 | 0.130 | 0.24 | 2.07 | 99.62 | 1.67 | 1.06 | 1.80 | 2.31 | |||
紫金山四坊 | 花岗 闪长 斑岩 | SF-1 | 62.39 | 16.27 | 2.49 | 2.64 | 2.29 | 4.82 | 3.21 | 3.33 | 0.51 | 0.30 | 0.096 | 1.50 | 99.84 | 1.83 | 0.91 | 2.21 | 1.90 | ||
SF-2 | 64.63 | 15.26 | 1.59 | 2.56 | 1.92 | 3.69 | 3.75 | 2.24 | 0.51 | 0.34 | 0.170 | 2.91 | 99.57 | 1.78 | 0.99 | 1.66 | 1.92 | ||||
SF-3 | 64.96 | 15.42 | 1.76 | 2.41 | 2.02 | 4.08 | 3.32 | 3.64 | 0.56 | 0.42 | 0.190 | 1.35 | 100.13 | 1.64 | 0.92 | 2.21 | 2.11 | ||||
SF-4 | 65.77 | 15.32 | 1.72 | 2.19 | 1.62 | 3.51 | 3.34 | 4.30 | 0.42 | 0.15 | 0.090 | 1.90 | 100.33 | 1.51 | 0.93 | 2.56 | 2.37 | ||||
花岗 闪长 岩 | SF-5 | 65.39 | 15.23 | 1.70 | 2.92 | 1.90 | 4.06 | 2.95 | 3.62 | 0.48 | 0.190 | 0.110 | 1.34 | 99.89 | 1.74 | 0.94 | 1.93 | 2.03 | |||
SF-6 | 67.58 | 16.06 | 1.37 | 1.73 | 1.33 | 3.58 | 3.02 | 3.66 | 0.37 | 0.210 | 0.099 | 1.01 | 100.01 | 1.80 | 1.03 | 1.82 | 2.03 | ||||
SF-7 | 67.88 | 15.22 | 1.68 | 1.76 | 1.69 | 3.32 | 2.74 | 3.89 | 0.44 | 0.250 | 0.120 | 0.99 | 99.98 | 1.75 | 1.03 | 1.77 | 2.11 | ||||
SF-8 | 65.59 | 15.28 | 1.61 | 2.96 | 1.90 | 3.33 | 2.96 | 3.78 | 0.49 | 0.220 | 0.110 | 1.93 | 100.16 | 1.71 | 1.02 | 2.01 | 2.14 | ||||
SF-9 | 67.47 | 14.86 | 1.03 | 3.18 | 1.31 | 3.32 | 2.80 | 4.00 | 0.42 | 0.047 | 0.160 | 1.39 | 99.99 | 1.66 | 0.99 | 1.89 | 2.20 | ||||
紫金 山罗 卜岭 | 花岗 闪长 斑岩 | LBL-1 | 64.67 | 15.58 | 2.00 | 1.60 | 1.79 | 2.52 | 2.70 | 4.89 | 0.53 | 0.22 | 0.07 | 2.94 | 99.51 | 1.60 | 1.09 | 2.66 | 2.44 | ||
LBL-2 | 65.44 | 15.44 | 2.80 | 2.82 | 1.43 | 2.76 | 3.00 | 4.00 | 0.34 | 0.19 | 0.09 | 1.24 | 99.55 | 1.67 | 1.08 | 2.18 | 2.25 | ||||
LBL-3 | 64.88 | 15.26 | 1.59 | 2.56 | 1.92 | 3.69 | 3.75 | 2.24 | 0.51 | 0.34 | 0.17 | 2.48 | 99.39 | 1.78 | 1.00 | 1.64 | 1.92 | ||||
LBL-4 | 64.96 | 15.42 | 1.76 | 2.41 | 2.02 | 4.08 | 3.32 | 3.64 | 0.56 | 0.42 | 0.19 | 1.16 | 99.94 | 1.64 | 0.92 | 2.21 | 2.11 |
名称 | 样号 | Cr | Co | Ni | Rb | Sr | Nb | Ba | Pb | Th | U | Ta | Zr | Hf | La |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
天池塘 | D203-YQ1 | 91.30 | 16.10 | 40.90 | 167.00 | 678.00 | 15.40 | 730.00 | 15.80 | 27.10 | 7.03 | 1.33 | 177.00 | 4.10 | 40.00 |
D205-YQ1 | 50.60 | 15.70 | 24.60 | 162.00 | 629.00 | 13.80 | 718.00 | 26.10 | 25.00 | 4.63 | 1.27 | 189.00 | 5.70 | 51.90 | |
D206-YQ1 | 49.30 | 16.20 | 26.50 | 165.00 | 521.00 | 13.50 | 785.00 | 20.00 | 29.00 | 11.60 | 1.45 | 215.00 | 6.00 | 43.00 | |
D207-YQ1 | 26.30 | 10.70 | 13.50 | 140.00 | 439.00 | 18.40 | 702.00 | 19.40 | 28.10 | 6.08 | 1.89 | 175.00 | 5.00 | 45.40 | |
D208-YQ1 | 59.90 | 14.90 | 26.80 | 182.00 | 328.00 | 18.50 | 1133.00 | 17.00 | 11.70 | 1.92 | 1.09 | 210.00 | 6.50 | 54.00 | |
紫金山 四坊 | SF-1 | 39.40 | 14.70 | 11.60 | 97.00 | 510.00 | 17.50 | 742.00 | 21.00 | 6.64 | 1.86 | 123.00 | 3.86 | 25.80 | |
SF-6 | 30.10 | 14.00 | 6.14 | 101.00 | 331.00 | 12.20 | 709.00 | 14.80 | 3.10 | 0.81 | 124.00 | 3.75 | 33.90 | ||
紫金山 罗卜岭 | LBL-1 | 19.90 | 14.30 | 10.70 | 169.00 | 490.00 | 13.50 | 850.00 | 21.70 | 160.00 | 35.03 | ||||
LBL-2 | 13.50 | 13.10 | 13.70 | 127.00 | 440.00 | 22.50 | 500.00 | 13.70 | 18.10 | 75.00 | 37.82 | ||||
LBL-3 | 48.30 | 7.20 | 21.00 | 213.00 | 438.00 | 23.00 | 490.00 | 12.00 | 117.00 | 34.84 | |||||
LBL-4 | 41.40 | 3.90 | 19.30 | 284.00 | 550.00 | 22.50 | 500.00 | 10.00 | 120.00 | 32.24 | |||||
名称 | 样号 | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y |
天池塘 | D203-YQ1 | 84.80 | 9.04 | 36.10 | 6.89 | 1.43 | 5.15 | 0.77 | 3.95 | 0.77 | 2.12 | 0.34 | 2.04 | 0.29 | 23.80 |
D205-YQ1 | 94.60 | 9.27 | 32.50 | 6.15 | 1.43 | 4.45 | 0.63 | 3.46 | 0.65 | 1.81 | 0.28 | 1.87 | 0.28 | 18.60 | |
D206-YQ1 | 88.10 | 9.48 | 33.40 | 6.16 | 1.36 | 4.42 | 0.62 | 3.58 | 0.61 | 1.87 | 0.29 | 1.86 | 0.28 | 17.40 | |
D207-YQ1 | 87.60 | 8.94 | 32.80 | 5.61 | 1.19 | 3.92 | 0.53 | 3.06 | 0.54 | 1.58 | 0.24 | 1.68 | 0.23 | 16.20 | |
D208-YQ1 | 113.00 | 11.10 | 38.00 | 6.89 | 1.18 | 5.14 | 0.72 | 4.05 | 0.74 | 1.94 | 0.29 | 1.75 | 0.24 | 20.30 | |
紫金山 四坊 | SF-1 | 48.90 | 6.68 | 24.90 | 4.70 | 1.15 | 3.95 | 0.73 | 2.98 | 0.67 | 1.77 | 0.34 | 1.77 | 0.31 | 16.80 |
SF-6 | 54.90 | 6.41 | 23.50 | 4.35 | 1.16 | 3.88 | 0.71 | 2.94 | 0.68 | 1.79 | 0.34 | 1.83 | 0.32 | 16.80 | |
紫金山 罗卜岭 | LBL-1 | 54.94 | 5.84 | 24.24 | 4.24 | 1.14 | 2.32 | 0.31 | 2.32 | 0.42 | 1.27 | 0.20 | 1.32 | 0.20 | 20.08 |
LBL-2 | 64.63 | 6.95 | 29.11 | 5.45 | 1.28 | 3.72 | 0.54 | 2.06 | 0.63 | 1.72 | 0.26 | 1.67 | 0.27 | 17.23 | |
LBL-3 | 54.82 | 6.72 | 19.00 | 4.00 | 1.00 | 2.76 | 0.48 | 2.24 | 0.54 | 1.48 | 0.22 | 1.70 | 0.28 | 16.06 | |
LBL-4 | 60.23 | 6.80 | 22.26 | 4.26 | 1.10 | 2.88 | 0.52 | 2.18 | 0.56 | 1.32 | 0.22 | 1.74 | 0.30 | 15.04 |
Table 3 Rare earth element and trace element concentrations of the Tianchitang granodiorite and ore-forming intrusions in the Zijinshan orefield(10-6)
名称 | 样号 | Cr | Co | Ni | Rb | Sr | Nb | Ba | Pb | Th | U | Ta | Zr | Hf | La |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
天池塘 | D203-YQ1 | 91.30 | 16.10 | 40.90 | 167.00 | 678.00 | 15.40 | 730.00 | 15.80 | 27.10 | 7.03 | 1.33 | 177.00 | 4.10 | 40.00 |
D205-YQ1 | 50.60 | 15.70 | 24.60 | 162.00 | 629.00 | 13.80 | 718.00 | 26.10 | 25.00 | 4.63 | 1.27 | 189.00 | 5.70 | 51.90 | |
D206-YQ1 | 49.30 | 16.20 | 26.50 | 165.00 | 521.00 | 13.50 | 785.00 | 20.00 | 29.00 | 11.60 | 1.45 | 215.00 | 6.00 | 43.00 | |
D207-YQ1 | 26.30 | 10.70 | 13.50 | 140.00 | 439.00 | 18.40 | 702.00 | 19.40 | 28.10 | 6.08 | 1.89 | 175.00 | 5.00 | 45.40 | |
D208-YQ1 | 59.90 | 14.90 | 26.80 | 182.00 | 328.00 | 18.50 | 1133.00 | 17.00 | 11.70 | 1.92 | 1.09 | 210.00 | 6.50 | 54.00 | |
紫金山 四坊 | SF-1 | 39.40 | 14.70 | 11.60 | 97.00 | 510.00 | 17.50 | 742.00 | 21.00 | 6.64 | 1.86 | 123.00 | 3.86 | 25.80 | |
SF-6 | 30.10 | 14.00 | 6.14 | 101.00 | 331.00 | 12.20 | 709.00 | 14.80 | 3.10 | 0.81 | 124.00 | 3.75 | 33.90 | ||
紫金山 罗卜岭 | LBL-1 | 19.90 | 14.30 | 10.70 | 169.00 | 490.00 | 13.50 | 850.00 | 21.70 | 160.00 | 35.03 | ||||
LBL-2 | 13.50 | 13.10 | 13.70 | 127.00 | 440.00 | 22.50 | 500.00 | 13.70 | 18.10 | 75.00 | 37.82 | ||||
LBL-3 | 48.30 | 7.20 | 21.00 | 213.00 | 438.00 | 23.00 | 490.00 | 12.00 | 117.00 | 34.84 | |||||
LBL-4 | 41.40 | 3.90 | 19.30 | 284.00 | 550.00 | 22.50 | 500.00 | 10.00 | 120.00 | 32.24 | |||||
名称 | 样号 | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y |
天池塘 | D203-YQ1 | 84.80 | 9.04 | 36.10 | 6.89 | 1.43 | 5.15 | 0.77 | 3.95 | 0.77 | 2.12 | 0.34 | 2.04 | 0.29 | 23.80 |
D205-YQ1 | 94.60 | 9.27 | 32.50 | 6.15 | 1.43 | 4.45 | 0.63 | 3.46 | 0.65 | 1.81 | 0.28 | 1.87 | 0.28 | 18.60 | |
D206-YQ1 | 88.10 | 9.48 | 33.40 | 6.16 | 1.36 | 4.42 | 0.62 | 3.58 | 0.61 | 1.87 | 0.29 | 1.86 | 0.28 | 17.40 | |
D207-YQ1 | 87.60 | 8.94 | 32.80 | 5.61 | 1.19 | 3.92 | 0.53 | 3.06 | 0.54 | 1.58 | 0.24 | 1.68 | 0.23 | 16.20 | |
D208-YQ1 | 113.00 | 11.10 | 38.00 | 6.89 | 1.18 | 5.14 | 0.72 | 4.05 | 0.74 | 1.94 | 0.29 | 1.75 | 0.24 | 20.30 | |
紫金山 四坊 | SF-1 | 48.90 | 6.68 | 24.90 | 4.70 | 1.15 | 3.95 | 0.73 | 2.98 | 0.67 | 1.77 | 0.34 | 1.77 | 0.31 | 16.80 |
SF-6 | 54.90 | 6.41 | 23.50 | 4.35 | 1.16 | 3.88 | 0.71 | 2.94 | 0.68 | 1.79 | 0.34 | 1.83 | 0.32 | 16.80 | |
紫金山 罗卜岭 | LBL-1 | 54.94 | 5.84 | 24.24 | 4.24 | 1.14 | 2.32 | 0.31 | 2.32 | 0.42 | 1.27 | 0.20 | 1.32 | 0.20 | 20.08 |
LBL-2 | 64.63 | 6.95 | 29.11 | 5.45 | 1.28 | 3.72 | 0.54 | 2.06 | 0.63 | 1.72 | 0.26 | 1.67 | 0.27 | 17.23 | |
LBL-3 | 54.82 | 6.72 | 19.00 | 4.00 | 1.00 | 2.76 | 0.48 | 2.24 | 0.54 | 1.48 | 0.22 | 1.70 | 0.28 | 16.06 | |
LBL-4 | 60.23 | 6.80 | 22.26 | 4.26 | 1.10 | 2.88 | 0.52 | 2.18 | 0.56 | 1.32 | 0.22 | 1.74 | 0.30 | 15.04 |
Fig.8 Chondrite-normalized REE pattern(a)(chondrite-normalizing values from reference [39])and MORB-normalized trace element pattern(b)(MORB-normalizing values from reference [40])
矿床名称 | 成矿岩体 | 成岩年龄(Ma) | 测试方法及资料来源 | 成矿年龄(Ma) | 测试方法及资料来源 |
---|---|---|---|---|---|
紫金山铜金矿床 | 英安玢岩 | 105.0±0.7 | 锆石U-Pb法, 文献[ | 103.0±1.5 | 明矾石Ar-Ar法, 文献[ |
四坊花岗闪长岩 | 108.0~105.0 | 锆石U-Pb法、角闪石 Ar-Ar法,文献[ | |||
罗卜岭铜钼矿床 | 早期花岗闪长斑岩 | 103.5±0.6 | 锆石U-Pb法, 文献[ | 104.6±1.0 | 辉钼矿Re-Os模式 年龄,文献[ |
早期花岗闪长斑岩 | 102.9±0.9 | ||||
晚期花岗闪长斑岩 | 97.6±2.1 | ||||
罗卜岭花岗闪长斑岩 | 106.9±0.4 | 锆石U-Pb法,文献[ | |||
悦洋银矿床 | 91.5±0.4 | 冰长石Ar-Ar法, 文献[ | |||
五子骑龙铜矿床 | 102.5±1.5 | 白云母Ar-Ar法, 文献[ |
Table 4 Ages of mineralization and metallogenic intrusion in the Zijinshan orefield
矿床名称 | 成矿岩体 | 成岩年龄(Ma) | 测试方法及资料来源 | 成矿年龄(Ma) | 测试方法及资料来源 |
---|---|---|---|---|---|
紫金山铜金矿床 | 英安玢岩 | 105.0±0.7 | 锆石U-Pb法, 文献[ | 103.0±1.5 | 明矾石Ar-Ar法, 文献[ |
四坊花岗闪长岩 | 108.0~105.0 | 锆石U-Pb法、角闪石 Ar-Ar法,文献[ | |||
罗卜岭铜钼矿床 | 早期花岗闪长斑岩 | 103.5±0.6 | 锆石U-Pb法, 文献[ | 104.6±1.0 | 辉钼矿Re-Os模式 年龄,文献[ |
早期花岗闪长斑岩 | 102.9±0.9 | ||||
晚期花岗闪长斑岩 | 97.6±2.1 | ||||
罗卜岭花岗闪长斑岩 | 106.9±0.4 | 锆石U-Pb法,文献[ | |||
悦洋银矿床 | 91.5±0.4 | 冰长石Ar-Ar法, 文献[ | |||
五子骑龙铜矿床 | 102.5±1.5 | 白云母Ar-Ar法, 文献[ |
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