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mafic

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镁铁质,镁铁质矿物


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英文: A REE partition simulation suggests that the Tianzhushan intermediate rocks can be generated by partial melting, in coupling with fractional crystallization, of dioritic gneiss which is similar in chemical compositions to the mafic rocks in the lower crus

中文: REE配分的定量模拟计算结果表明,与基性下地壳相似的北大别基性闪长质片麻岩部分熔融并经过结晶分异能够形成与天柱山中性岩类似的稀土元素组成,而与中性地壳相似的北大别中性灰色片麻岩部分熔融能够形成与天柱山花岗岩类似的稀土元素组成。        更详细...
英文: All the mafic and felsic volcanic-hosted massive sulfide deposits are therefore defined as the Kunlun type volcanic-hosted massive copper sulfide deposit.

中文: 这些基性火山岩型和酸性火山岩型矿床被统称爲昆仑式火山岩型块状硫化物铜矿床。        更详细...
英文: In contrast, mafic volcanoes, which range from small cinder cones to large shield volcanoes like North Sister and Belknap Crater, are typically short-lived (weeks to centuries) and erupt less explosively than do composite volcanoes.

中文: 相反,铁镁质的火山,从小的煤渣圆堆到大的盾形火山,像北峰和贝尔克奈普坑,形成期还很短,比复合体的火山更少爆发。        更详细...
英文: Layered mafic intrusions not only represent natural laboratories for studying processes of magmatic differentiation and assimilation within the crust, but also contain extensive precious and base metal mineralization.

中文: 层状镁铁质岩体不仅是研究岩浆分异演化过程和地壳混染作用的最佳天然实验室,其中还广泛赋存重要的稀有金属和贱金属矿床。        更详细...
英文: Quantitative calculation of trace element content for the residue after partial melting suggests that intermediate-mafic granulites outcropped in the Dabie orogen are not the residue of partial melting.

中文: 残留相微量元素定量计算结果表明,大别山现今出露的中基性麻粒岩不是部分熔融后形成的残留体。        更详细...
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