IMPLICATIONS OF NB/U, TH/U AND SM/ND IN PLUME MAGMAS FOR THE RELATIONSHIP BETWEEN CONTINENTAL AND OCEANIC CRUST FORMATION AND THE DEVELOPMENT OF THE DEPLETED MANTLE
| dc.contributor.author | Campbell I.H. | |
| dc.date.accessioned | 2021-09-28T02:28:16Z | |
| dc.date.available | 2021-09-28T02:28:16Z | |
| dc.date.issued | 2002 | |
| dc.description.abstract | The Nb/U and Th/U of the primitive mantle are 34 and 4.04 respectively, which compare with 9.7 and 3.96 for the continental crust. Extraction of continental crust from the mantle therefore has a profound influence on its Nb/U but little influence on its Th/U. Conversely, extraction of midocean ridge-type basalts lowers the Th/U of the mantle residue but has little influence on its Nb/U. As a consequence, variations in Th/U and Nb/U with Sm/Nd can be used to evaluate the relative importance of continental and basaltic crust extraction in the formation of the depleted (Sm/Nd enriched) mantle reservoir. | |
| dc.identifier | https://elibrary.ru/item.asp?id=14122100 | |
| dc.identifier.citation | Geochimica et Cosmochimica Acta, 2002, 66, 9, 1651-1661 | |
| dc.identifier.issn | 0016-7037 | |
| dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/30632 | |
| dc.title | IMPLICATIONS OF NB/U, TH/U AND SM/ND IN PLUME MAGMAS FOR THE RELATIONSHIP BETWEEN CONTINENTAL AND OCEANIC CRUST FORMATION AND THE DEVELOPMENT OF THE DEPLETED MANTLE | |
| dc.type | Статья |
Файлы
Оригинальный пакет
1 - 1 из 1