| 岩浆活动旋回与地球多层对流系统 |
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| 引用本文： | 邓晋福,莫宣学,赵海玲,罗照华,赵国春.岩浆活动旋回与地球多层对流系统[J].地学前缘,1997(Z2). |
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| 作者姓名： | 邓晋福 莫宣学 赵海玲 罗照华 赵国春 |
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| 作者单位： | 中国地质大学 |
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| 基金项目： | 地矿部重大基础研究基金,国家自然科学基金 |
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| 摘 要： | 从地球历史的节律角度讨论岩浆活动旋回。岩浆活动旋回可按时间与空间分出相互对应的不同尺度，进而可与深度尺度不同的地球多层对流系统相互对应，从而给予了岩浆活动旋回的动力学意义。岩浆活动的时间周期愈长，空间尺度亦愈大，需要的维持岩浆源存在的热能、挥发分供给的数量与深度亦愈大。
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| 关 键 词： | 岩浆活动旋回 时空尺度 地球多层对流系统 |
CYCLES OF MAGMATIC ACTIVITIES AND MULTI LAYERED CONVECTION SYSTEM OF THE EARTH |
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| Deng Jinfu\ \ Mo Xuanxue\ \ Zhao Hailing\ \ Luo Zhaohua\ \ Zhao Guochun.CYCLES OF MAGMATIC ACTIVITIES AND MULTI LAYERED CONVECTION SYSTEM OF THE EARTH[J].Earth Science Frontiers,1997(Z2). |
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| Authors: | Deng Jinfu\ \ Mo Xuanxue\ \ Zhao Hailing\ \ Luo Zhaohua\ \ Zhao Guochun |
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| Abstract: | This paper deals with magmatic activities cycles as viewed from the rhythm of the Earth′s history. The cycles of magmatic activities may be divided into several types with different spatial and temporal scales firstly, which, further, may be correlated to the multi layered convection system of the Earth with different depths, and then the cycles is vested with a dynamic implication. The longer the time interval of the magmatic activities is, the larger the spatial scale of them will be, and the amount and depth of the heat energy and volatile component being provided for the existence of the magma source will be larger too. |
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| Keywords: | cycles of magmatic activities spatial and temporal scale multi layered convection system of the Earth |
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