Abstract
Geochemical data indicate that all the rocks in the Larvik ring-complex (southwestern part of the Oslo Region), have been derived from a magma chamber undergoing continuous fractional crystallization, but which was fed periodically with new batches of magma. The lardalites represent cumulates from this magma chamber, formed at a late stage when the melts were markedly silica undersaturated.
This work has been financially supported by A/S norsk Varekrigs-forsikrings Fond.
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© 1978 D. Reidel Publishing Company, Dordrecht, Holland
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Neumann, ER. (1978). Petrogenesis of the Larvik Ring-Complex in the Permian Oslo Rift, Norway. In: Neumann, ER., Ramberg, I.B. (eds) Petrology and Geochemistry of Continental Rifts. NATO Advanced Study Institutes Series, vol 36. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9803-2_21
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DOI: https://doi.org/10.1007/978-94-009-9803-2_21
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