英德
有道
百度
谷歌
图片
维基
百科
大洋岩
oceanite
- 它以具有海底爆发相与远洋放射虫硅质岩相整合和大洋板内碱性玄武岩的构造环境为主要特征。
These basalts are characterized by the tectonic settings of the oceanic within plate alkaline basalts in both the submarine eruptive facies and pelagic radiolarian silicalite facies. - 根据现有的研究，可将俯冲带橄榄岩大致分为陆下地幔橄榄岩、基性-超基性堆晶杂岩和大洋地幔橄榄岩。
On the basis of our studies, orogenic peridotites can be classified into subcontinental peridotite, intrusive mafic-ultramafic cumulate complex and oceanic mantle peridotite. - 变质火山岩的原岩为大洋拉张环境下形成的以低钾拉斑玄武岩为主，低钾玄武安山岩次之的火山-次火山岩系，其物源为亏损地幔。
The protolith of the metavolcanic rocks is a volcanic-subvolcanic rock series composed chiefly of low-K tholeiite with subordinate low-K basaltic andesite formed in an oceanic extensional environment.
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