江西省武功山地区浒坑花岗岩的锆石U-Pb定年及元素地球化学特征

刘珺,毛景文,叶会寿,谢桂青,杨国强,章伟. 江西省武功山地区浒坑花岗岩的锆石U-Pb定年及元素地球化学特征[J]. 岩石学报, 2008, 24(8).
引用本文: 刘珺,毛景文,叶会寿,谢桂青,杨国强,章伟. 江西省武功山地区浒坑花岗岩的锆石U-Pb定年及元素地球化学特征[J]. 岩石学报, 2008, 24(8).
LIU Jun,MAO JingWen,YE HuiShou,XIE GuiQing,YANG GuoQiang,ZHANG Wei. Zircon LA-ICPMS U-Pb dating of Hukeng granite in Wugongshan area, Jiangxi Province and its geochemical characteristics[J]. Acta Petrologica Sinica, 2008, 24(8).
Citation: LIU Jun,MAO JingWen,YE HuiShou,XIE GuiQing,YANG GuoQiang,ZHANG Wei. Zircon LA-ICPMS U-Pb dating of Hukeng granite in Wugongshan area, Jiangxi Province and its geochemical characteristics[J]. Acta Petrologica Sinica, 2008, 24(8).

江西省武功山地区浒坑花岗岩的锆石U-Pb定年及元素地球化学特征

  • 基金项目:

    国家重点基础研究发展计划(973计划)

Zircon LA-ICPMS U-Pb dating of Hukeng granite in Wugongshan area, Jiangxi Province and its geochemical characteristics

  • 浒坑花岗岩侵入体位于武功山复式背斜东南翼,发育有大型的浒坑石英脉型钨矿床,其是武功山钨、铜、铋、钼多金属成矿带的重要组成部分.本文通过对浒坑白云母花岗岩精确的锆石LA-ICPMS U-Pb测年,测得其成岩时代为151.6±2.6Ma,属晚侏罗世,对应于华南中生代第一次花岗岩侵位事件(164~153Ma);其花岗岩岩浆的形成温度为676~695℃.通过浒坑花岗岩主微量元素结果的分析,认为浒坑白云母花岗岩属于高钾钙碱性系列,为准铝质-弱过铝质的分异S型花岗岩,其源岩为富粘土的泥质来源,形成于岩石圈伸展减薄环境.
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刊出日期:  2008-08-31

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