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大洋玄武岩
oceanic basalt
- 大洋玄武岩中，元素之间常常存在线性关系。本文应用批式熔融模型，解释了这一现象。
On the basis of batch-type melting model, the author explains the linear relationships between elements which are often recognized in oceanic basalts. - 结果表明，该区的斜长角闪岩是由大洋拉斑玄武岩变质而成，变粒岩则是由酸性沉积岩变质而成。
It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks. - 地球化学研究表明，其为典型的大洋拉斑玄武岩（MORB型玄武岩）。
The study of geochemistry indicates that these metabasic volcanic rocks are characterized with N-type MORB (mid-ocean ridge basalt).
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