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.
本文分析了中国首次南大洋考察的部分资料,探讨了南极马克斯韦尔湾沉积有机质的某些早期成岩特征。
Some characteristics in the process of early diagenesis of sedimentary organic matters are discussed, based on the information obtained from the First Antarctic Exploration of China.
部分太古宙绿岩带由不同的构造单元拼合而成,并发育不同于显生宙蛇绿岩的大洋壳岩石组合。
Some Archean greenstone belts represent collages of allochthonous fragments, among which oceanic crust slices are identified with characteristics distinct from the Phanerozoic ophiolites.
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.
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).
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.
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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