【摘 要】
:
南祁连东部化隆岩群中新发现加里东晚期花岗岩侵入,本文通过对钾长花岗岩取样进行LAICP-MS精确定年测试研究,得到了449±15Ma的年龄值,该期岩浆活动的发现对研究区的大地构造
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南祁连东部化隆岩群中新发现加里东晚期花岗岩侵入,本文通过对钾长花岗岩取样进行LAICP-MS精确定年测试研究,得到了449±15Ma的年龄值,该期岩浆活动的发现对研究区的大地构造演化研究和找矿工作具有重要意义。
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