地幔流体中稀有气体同位素组成与其所处的大地构造背景和深部地幔岩浆活动性质有关。
Noble gas isotopic compositions in mantle fluids are associated with their tectonic settings and magmation in deep mantle.
成矿流体和主要矿质均源于地球深部,以上地幔或壳幔混合带为主,与燕山晚期富碱岩浆活动密切相关。
The ore-forming material and fluid was derived from the depth of the Earth especially from upper mantle or crust-mantle mixing zone , due to alkali-rich magma activity during late Yanshanian epoch.
豆荚状铬铁矿以其独特而稳定的物理化学特性,记录了大洋地幔深部岩浆活动(特别是扩张中心原始岩浆活动)以及大洋岩石圈运动过程。
As podiform chromitite has stable physical and chemical properties, it has recorded the magmatic process of the mantle under the ocean spreading centre and the lateral movement of oceanic lithosphere.
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