在岩石圈演化历史上,上述不同性质力源的相对强弱和作用方式,决定了岩石圈运动的性质及其驱动机制。
In evolution history of he lithosphere, the relative strength and acting way of the above forces determine the characteristics and driving mechanism of the lithosphere movement.
溢流玄武岩的同位素体系特征表明它们的源区涉及再循环地幔的壳幔混合、岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔。
Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.
幔源岩浆的底侵及软流圈对地壳的直接加热作用,使上覆地壳发生大规模的岩浆和成矿作用,并导致中国东部中生代时期伸展构造的广泛发育。
The heating from the asthenosphere on the crust subsequently resulted in the intensive magmatism, mineralization, and widespread development of extensional structures in eastern China.
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