| 黑龙江多宝山铜矿床中花岗闪长岩锆石SHRIMP U-Pb测年及其构造意义 |
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| 引用本文： | 赵焕利,朱春艳,刘海洋,刘宝山.黑龙江多宝山铜矿床中花岗闪长岩锆石SHRIMP U-Pb测年及其构造意义[J].地质与资源,2012,21(5):421-424. |
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| 作者姓名： | 赵焕利 朱春艳 刘海洋 刘宝山 |
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| 作者单位： | 1. 黑龙江省第五地质勘察院, 黑龙江 黑河 164300;2. 黑龙江地质调查研究总院齐齐哈尔分院, 黑龙江 齐齐哈尔161005;3. 黑龙江省有色金属地质勘察研究总院, 黑龙江 哈尔滨 150046 |
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| 基金项目： | 中国地质调查局东北地区基础地质调查及数据更新项目"1∶25万卧都河、黑河市等二幅区调" |
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| 摘 要： | 在黑龙江多宝山斑岩铜矿床的花岗闪长岩中获得了锆石SHRIMP U-Pb同位素年龄453.2~486.9 Ma.结合野外地质接触关系，这个年龄是多宝山斑岩铜矿床的成岩成矿年龄.而以往测定的311~219 Ma成岩成矿年龄，应该是成矿期后岩浆活动所引起的热叠加事件年龄.岩石地球化学特征显示其形成于火山岛弧环境，与多宝山组火山岩形成环境一致.
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| 关 键 词： | 铜矿床 锆石U-Pb 同位素测年 火山岛弧 多宝山地区 黑龙江省 |
| 收稿时间： | 2011-07-27 |
ZIRCON SHRIMP U-Pb DATING AND ITS TECTONIC IMPLICATIONS OF THE GRANODIORITE IN DUOBAOSHAN COPPER DEPOSIT, HEILONGJIANG PROVINCE |
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| ZHAO Huan-li
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ZHU Chun-yan
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LIU Hai-yang
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LIU Bao-shan.ZIRCON SHRIMP U-Pb DATING AND ITS TECTONIC IMPLICATIONS OF THE GRANODIORITE IN DUOBAOSHAN COPPER DEPOSIT, HEILONGJIANG PROVINCE[J].Geology and Resources,2012,21(5):421-424. |
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| Authors: | ZHAO Huan-li ZHU Chun-yan LIU Hai-yang LIU Bao-shan |
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| Institution: | 1. No. 5 Institute of Geological Survey of Heilongjiang Province, Heihe 164300, Heilongjiang Province, China;2. Qiqihar Branch, Heilongjiang Institute of Regional Geological Survey, Qiqihar 161005, Heilongjiang Province, China;3. Heilongjiang Institute of Nonferrous Geological Exploration, Harbin 150046, China |
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| Abstract: | The zircon SHRIMP U-Pb age of 453.2-486.9 Ma is obtained from the granodiorite in the Duobaoshan porphyry copper deposit, Heilongjiang Province. Considering the field geological contacts, this age should be the diagenetic and metallogenetic age of the deposit. The previously determined age of 311-219 Ma might represent a superimposed heat event caused by the post-metallogenic magmatism. The lithogeochemistry shows that the deposit was formed in a volcanic arc environment, which is in accord with the forming environment of the Duobaoshan volcanic rock. |
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| Keywords: | copper deposit zircon U-Pb isotopic dating volcanic island arc Duobaoshan area Heilongjiang Province |
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