CHEMICAL DIFFERENTIATION OF THE EARTH: THE RELATIONSHIP BETWEEN MANTLE, CONTINENTAL CRUST, AND OCEANIC CRUST
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dc.contributor.author | Hofmann A.W. | |
dc.date.accessioned | 2020-04-17T00:44:07Z | |
dc.date.available | 2020-04-17T00:44:07Z | |
dc.date.issued | 1988 | |
dc.identifier | https://elibrary.ru/item.asp?id=31443457 | |
dc.identifier.citation | EARTH AND PLANETARY SCIENCE LETTERS, 1988, 90, 3, 297-314 | |
dc.identifier.issn | 0012-821X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/16918 | |
dc.description.abstract | The average chemical compositions of the continental crust and the oceanic crust (represented by MORB), normalized to primitive mantle values and plotted as functions of the apparent bulk partition coefficient of each element, form surprisingly simple, complementary concentration patterns. In the continental crust, the maximum concentrations are on the order of 50 to 100 times the primitive-mantle values, and these are attained by the most highly incompatible elements Cs, Rb, Ba, and Th. In the average oceanic crust, the maximum concentrations are only about 10 times the primitive mantle values, and they are attained by the moderately incompatible elements Na, Ti, Zr, Hf, Y and the intermediate to heavy REE. | |
dc.title | CHEMICAL DIFFERENTIATION OF THE EARTH: THE RELATIONSHIP BETWEEN MANTLE, CONTINENTAL CRUST, AND OCEANIC CRUST | |
dc.type | Статья |
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