THE PETROGENESIS OF CARBONIFEROUS-PERMIAN DYKE AND SILL INTRUSIONS ACROSS NORTHERN EUROPE
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dc.contributor.author | Kirstein L.A. | |
dc.contributor.author | Davies G.R. | |
dc.contributor.author | Heeremans M. | |
dc.date.accessioned | 2024-09-03T09:56:25Z | |
dc.date.available | 2024-09-03T09:56:25Z | |
dc.date.issued | 2006 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=31328882 | |
dc.identifier.citation | Contributions to Mineralogy and Petrology, 2006, 152, 6, 721-742 | |
dc.identifier.issn | 0010-7999 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/44869 | |
dc.description.abstract | The presence or absence of a thermally anomalous mantle plume during the formation of the widespread Carboniferous-Permian magmatism of northern Europe is examined. The geochemistry of representative samples from the extensive Carboniferous-Permian dyke and sill intrusions across northern Europe are reported in order to ascertain whether they have a common 'plume' source. Both tholeiitic and alkaline magmas have diverse trace element compositions. Alkaline samples with relatively low Ti and Nb/La < 1 are considered to originate in the lithospheric mantle and those with Nb/La > 1 from the asthenosphere. The tholeiites have a close affinity to E-MORB but have mixed with variable amounts of lithosphere and upper crust. Tectonic reorganisation and decompression melting of a trace element-enriched mantle is considered to have controlled the Carboniferous-Permian magmatism, which contains no coherent geochemical evidence for a single plume-related thermo-chemical anomaly. © Springer-Verlag 2006. | |
dc.title | THE PETROGENESIS OF CARBONIFEROUS-PERMIAN DYKE AND SILL INTRUSIONS ACROSS NORTHERN EUROPE | |
dc.type | Статья | |
dc.identifier.doi | 10.1007/s00410-006-0129-9 | |
dc.subject.age | Палеозой::Пермская | |
dc.subject.age | Палеозой::Каменноугольная | |
dc.subject.age | Paleozoic::Permian | |
dc.subject.age | Paleozoic::Carboniferous |
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