王剑, 包超民, 高永华, 李忠雄, T. Z. Duan. 2003: 浙北富阳神功村二长花岗斑岩脉SHRIMP锆石U—Pb年龄及其地质意义. 地质通报, 22(9): 729-732.
    引用本文: 王剑, 包超民, 高永华, 李忠雄, T. Z. Duan. 2003: 浙北富阳神功村二长花岗斑岩脉SHRIMP锆石U—Pb年龄及其地质意义. 地质通报, 22(9): 729-732.
    WANG Jian, BAO Chaomin, GAO Yonghua, LI Zhongxiong, T. Z. Duan. 2003: Zircon SHRIMP U-Pb dating of monzogranite-porphyry dikes in Shengongcun, northern Zhejiang, and its geological implications. Geological Bulletin of China, 22(9): 729-732.
    Citation: WANG Jian, BAO Chaomin, GAO Yonghua, LI Zhongxiong, T. Z. Duan. 2003: Zircon SHRIMP U-Pb dating of monzogranite-porphyry dikes in Shengongcun, northern Zhejiang, and its geological implications. Geological Bulletin of China, 22(9): 729-732.

    浙北富阳神功村二长花岗斑岩脉SHRIMP锆石U—Pb年龄及其地质意义

    Zircon SHRIMP U-Pb dating of monzogranite-porphyry dikes in Shengongcun, northern Zhejiang, and its geological implications

    • 摘要: 浙北富阳神功村地区二长花岗斑岩脉侵入于中新元古界地层中,采自该岩脉样品的锆石离子探针(SHRIMP)U-Pb同位素年龄为117.7Ma±2.7Ma。这一数据表明本区二长花岗斑岩岩脉的形成年代为早白垩世中期,而不是1∶5万填图资料所认为的新元古代时期(晋宁晚期)。新获得的高精度年龄数据支持华南中生代末广泛的岩浆侵入作用始于早白垩世中期的观点。

       

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