浙江衢州九华山侵入岩年代学和地球化学特征
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刘风龙,王加恩,刘远栋,孙大亥,程海燕,胡艳华,黄雯,王振,潘少军
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Geochronology and Geochemistry Characteristics of Jiuhuashan Intrusion Rocks in Quzhou,Zhejiang Province
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Fenglong LIU,Jia’en WANG,Yuandong LIU,Dahai SUN,Haiyan CHENG,Yanhua HU,Wen HUANG,Zhen WANG,Shaojun PAN
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表2 九华山岩体锆石U-Pb测试结果
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Table 2 Zircon U-Pb test results of Jiuhuashan rock mass
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分析点 | Th/ (×10-6) | U/ (×10-6) | Th/U | LA-ICP-MS U-Pb同位素比值 | LA-ICP-MS U-Pb同位素年龄/Ma |
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207Pb/206Pb | 1σ | 207Pb/235U | 1σ | 206Pb/238U | 1σ | 207Pb/206Pb | 1σ | 207Pb/235U | 1σ | 206Pb/238U | 1σ |
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TW01 | 29.66 | 53.18 | 0.56 | 0.05164 | 0.00282 | 0.14748 | 0.00772 | 0.02071 | 0.00032 | 270 | 128 | 140 | 7 | 132 | 2 | TW02 | 9.62 | 23.40 | 0.41 | 0.05100 | 0.00330 | 0.15193 | 0.00957 | 0.02160 | 0.00051 | 241 | 150 | 144 | 8 | 138 | 3 | TW03 | 11.76 | 35.87 | 0.33 | 0.05786 | 0.00316 | 0.17199 | 0.00880 | 0.02156 | 0.00042 | 525 | 123 | 161 | 8 | 137 | 3 | TW04 | 17.72 | 41.88 | 0.42 | 0.05204 | 0.00282 | 0.14106 | 0.00728 | 0.01966 | 0.00033 | 287 | 127 | 134 | 6 | 126 | 2 | TW06 | 17.00 | 38.83 | 0.44 | 0.05018 | 0.00104 | 0.14783 | 0.00327 | 0.02137 | 0.00031 | 203 | 49 | 140 | 3 | 136 | 2 | TW08 | 15.05 | 40.03 | 0.38 | 0.05071 | 0.00105 | 0.15314 | 0.00337 | 0.0219 | 0.00032 | 228 | 49 | 145 | 3 | 140 | 2 | TW09 | 27.23 | 59.99 | 0.45 | 0.05251 | 0.00102 | 0.14488 | 0.00301 | 0.02001 | 0.00029 | 308 | 45 | 137 | 3 | 128 | 2 | TW13 | 21.73 | 56.11 | 0.39 | 0.05035 | 0.00093 | 0.14187 | 0.00285 | 0.02044 | 0.00029 | 211 | 44 | 135 | 3 | 130 | 2 | TW15 | 4.06 | 20.33 | 0.20 | 0.03309 | 0.00723 | 0.06798 | 0.01463 | 0.01491 | 0.00062 | -152 | 269 | 67 | 14 | 95 | 4 |
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