| 张广才岭南部侵入岩锆石U-Pb LA-ICP-MS年代 |
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| 引用本文： | 敖光.张广才岭南部侵入岩锆石U-Pb LA-ICP-MS年代[J].地质与资源,2016,25(6):533-538. |
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| 作者姓名： | 敖光 |
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| 作者单位： | 辽宁省地质勘查院, 辽宁 大连 116100 |
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| 摘 要： | 张广才岭是中生代花岗质岩浆作用较为发育的地区，但关于该地区花岗岩的形成时代，缺少精确的同位素年龄资料.本文通过“黑龙江1：5万大贯屯（L52E023007）等四幅区域地质矿产调查”项目，对工作区内的花岗质岩进行了锆石U-Pb同位素测年，结果显示：三叠纪花岗岩形成于224~229 Ma，侏罗纪侵入岩形成于202~193 Ma.
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| 关 键 词： | LA-ICP-MS U-Pb 定年 花岗岩 张广才岭 |
| 收稿时间： | 2015-12-30 |
ZIRCON U-Pb LA-ICP-MA AGE OF THE INTRUSIVE ROCK IN SOUTHERN ZHANGGUANGCAILING AREA |
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| AO Guang.ZIRCON U-Pb LA-ICP-MA AGE OF THE INTRUSIVE ROCK IN SOUTHERN ZHANGGUANGCAILING AREA[J].Geology and Resources,2016,25(6):533-538. |
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| Authors: | AO Guang |
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| Institution: | Liaoning Institute of Geological Exploration, Dalian 116100, Liaoning Province, China |
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| Abstract: | Mesozoic granitic magmatism is developed in the Zhangguangcaling area. However, accurate isotopic age data is lack for the granite in the area. Based on the 1:50 000 regional geological and mineral resources survey in Heilongjiang Province, the author carries out the zircon U-Pb isotopic dating for the granitic rocks in the area. The results show that the Triassic granite was formed in 224-229 Ma; while the Jurassic intrusive rock is dated as 202-193 Ma. |
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| Keywords: | U-Pb LA-ICP-MA age granite Zhangguangcailing |
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