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).
较合理地解释了结合带内,大洋拉斑玄武岩、洋岛玄武岩、大陆碱性玄武岩共存的地质特征。
Association of continental alkaline basalt with oceanic tholeiite and oceanic island basalt in the junction is reasonably interpreted.
作者认为,投在洋中脊玄武岩区域的玄武岩绝大多数并非来自大洋中脊环境。
The author indicates that all areas of the tectonic setting determined by basalt discri…
作者认为,投在洋中脊玄武岩区域的玄武岩绝大多数并非来自大洋中脊环境。
The author indicates that all areas of the tectonic setting determined by basalt discri…
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