igneous structure
火成岩构造 igneous structure
岛弧火成岩构造组合 island arc igneous tectonic assemblage
在东喜马拉雅构造结火成碳酸岩脉中发现富碳硼镁钛石。
The C rich warwickite was discovered in a carbonatite vein from the eastern Himalayan syntaxis.
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