超镁铁岩;超铁镁岩
The komatiite displays a geochemical trend from ultramafic to mafic, and the tholeiite shows a geochemical trend from rich Mg to rich Fe. The felsic igneous rock overlying the komatiite series displays a calc alkaline trend.
科马提岩显示了从超镁铁质到镁铁质地球化学趋势,拉斑玄武岩具有从富镁到富铁的趋势,而上覆长英质火山岩则遵循钙-碱趋势。
characteristics of quemocuo mafic-ultramafic rock zone from source area of the yangtze river and its tectonic significance
长江源雀莫错基性-超基性岩带的基本特征及构造意义
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