Search Results - "Tegner, Christian"

Tracing volcanic emissions from the Central Atlantic Magmatic Province in the sedimentary record by Lindström, Sofie, Callegaro, Sara, Davies, Joshua, Tegner, Christian, van de Schootbrugge, Bas, Pedersen, Gunver K., Youbi, Nasrrddine, Sanei, Hamed, Marzoli, Andrea

“…The end-Triassic mass extinction (ETME) is thought to have been caused by voluminous, pulsed volcanic activity of the Central Atlantic Magmatic Province…”
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Platinum-group elements link the end-Triassic mass extinction and the Central Atlantic Magmatic Province by Tegner, Christian, Marzoli, Andrea, McDonald, Iain, Youbi, Nasrrddine, Lindström, Sofie

“…Elevated concentrations of iridium (Ir) and other platinum-group elements (PGE) have been reported in both terrestrial and marine sediments associated with the…”
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Seismic Volcanostratigraphy: The Key to Resolving the Jan Mayen Microcontinent and Iceland Plateau Rift Evolution by Blischke, Anett, Brandsdóttir, Bryndís, Stoker, Martyn S., Gaina, Carmen, Erlendsson, Ögmundur, Tegner, Christian, Halldórsson, Sæmundur A., Helgadóttir, Helga M., Gautason, Bjarni, Planke, Sverre, Koppers, Anthony A. P., Hopper, John R.

“…Volcanostratigraphic and igneous province mapping of the Jan Mayen microcontinent (JMMC) and Iceland Plateau Rift (IPR) region have provided new insight into…”
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The Central Atlantic Magmatic Province (CAMP) in Morocco by Marzoli, Andrea, Bertrand, Hervé, Youbi, Nasrrddine, Callegaro, Sara, Merle, Renaud, Reisberg, Laurie, Chiaradia, Massimo, Brownlee, Sarah I, Jourdan, Fred, Zanetti, Alberto, Davies, Joshua H F L, Cuppone, Tiberio, Mahmoudi, Abdelkader, Medina, Fida, Renne, Paul R, Bellieni, Giuliano, Crivellari, Stefano, El Hachimi, Hind, Bensalah, Mohamed Khalil, Meyzen, Christine M, Tegner, Christian

“…Abstract The Central Atlantic Magmatic Province (CAMP) is a large igneous province (LIP) composed of basic dykes, sills, layered intrusions and lava flows…”
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Volcanic mercury and mutagenesis in land plants during the end-Triassic mass extinction by Lindström, Sofie, Sanei, Hamed, van de Schootbrugge, Bas, Pedersen, Gunver K, Lesher, Charles E, Tegner, Christian, Heunisch, Carmen, Dybkjær, Karen, Outridge, Peter M

“…During the past 600 million years of Earth history, four of five major extinction events were synchronous with volcanism in large igneous provinces. Despite…”
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Timing and duration of volcanism in the North Atlantic Igneous Province: Implications for geodynamics and links to the Iceland hotspot by Storey, Michael, Duncan, Robert A., Tegner, Christian

“…We combine new and published 40Ar/ 39Ar age determinations from incremental heating experiments on whole rocks and mineral separates to assess the timing,…”
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Mantle Dynamics of the Central Atlantic Magmatic Province (CAMP): Constraints from Platinum Group, Gold and Lithophile Elements in Flood Basalts of Morocco by Tegner, Christian, Michelis, Sandra A T, McDonald, Iain, Brown, Eric L, Youbi, Nasrrddine, Callegaro, Sara, Lindström, Sofie, Marzoli, Andrea

“…Abstract Mantle melting dynamics of the Central Atlantic Magmatic Province (CAMP) is constrained from new platinum group element (PGE), gold (Au), rare earth…”
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Petrology of the Skaergaard Layered Series by Thy, Peter, Tegner, Christian, Lesher, Charles E

“…The Skaergaard intrusion is a layered, ferrobasaltic intrusion emplaced during the Early Eocene into the rifting volcanic margin of East Greenland. The magma…”
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Differentiation and Compaction in the Skaergaard Intrusion by Tegner, Christian, Thy, Peter, Holness, Marian B., Jakobsen, Jakob K., Lesher, Charles E.

“…Igneous differentiation processes are constrained from bulk compositions, densities and mineral modes of 116 cumulate gabbro samples in a new reference profile…”
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Iron in plagioclase in the Bushveld and Skaergaard intrusions: implications for iron contents in evolving basic magmas by Tegner, Christian, Cawthorn, R. Grant

“…The evolved, iron-rich rocks of the tholeiitic Bushveld and Skaergaard intrusions are similar in containing cumulus magnetite, ilmenite, plagioclase,…”
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Vestiges of the Pre-Caledonian Passive Margin of Baltica in the Scandinavian Caledonides: Overview, Revisions and Control on the Structure of the Mountain Belt by Andersen, Torgeir B., Jakob, Johannes, Kjøll, Hans Jørgen, Tegner, Christian

“…The Pre-Caledonian margin of Baltica has been outlined as a tapering wedge with increasing magmatism towards the ocean–continent transition. It is, however,…”
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Toward an understanding of disequilibrium dihedral angles in mafic rocks by Holness, Marian B., Humphreys, Madeleine C. S., Sides, Rachel, Helz, Rosalind T., Tegner, Christian

“…The median dihedral angle at clinopyroxene‐plagioclase‐plagioclase junctions in mafic rocks, Θcpp, is generally lower than equilibrium (109° ± 2°). Observation…”
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A whole-rock data set for the Skaergaard intrusion, East Greenland by Tegner, Christian, Salmonsen, Lars Peter, Holness, Marian B., Lesher, Charles E., Humphreys, Madeleine C. S., Thy, Peter, Nielsen, Troels F. D.

“…We report a compilation of new and published whole-rock major and trace element analyses for 646 samples of the Skaergaard intrusion, East Greenland. The…”
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Partitioning of ferric and ferrous iron between plagioclase and silicate melt by Lundgaard, Kasper Leth, Tegner, Christian

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Crustal assimilation in basalt and jotunite: Constraints from layered intrusions by Tegner, Christian, Wilson, J. Richard, Robins, Brian

“…To constrain the amount and rate of crustal contamination that is possible in basaltic and jotunitic magma, and to gain an insight into the physical and…”
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Iron in plagioclase as a monitor of the differentiation of the Skaergaard intrusion by Tegner, Christian

“…Fractional crystallisation closed to oxygen exchange is the likely reason why some layered intrusions diverge from the Bowen mechanism of differentiation…”
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Magma Chamber Processes in the Formation of the Low-sulphide Magmatic Au–PGE Mineralization of the Platinova Reef in the Skaergaard Intrusion, East Greenland by Keays, Reid R., Tegner, Christian

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Structures and Magmatism Associated With a Failed Triple Junction in Traill Ø, East Greenland by Guarnieri, Pierpaolo, Tegner, Christian, Brooks, Charles K.

“…The Late Eocene–Oligocene post‐breakup magmatism of the North Atlantic Igneous Province (NAIP) in East Greenland, is represented by sub‐volcanic intrusions…”
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Crystallization sequence of the Upper Border Series of the Skaergaard Intrusion: revised subdivision and implications for chamber-scale magma homogeneity by Salmonsen, Lars Peter, Tegner, Christian

“…Although it is one of the best-studied layered mafic intrusions in the world, the crystallization sequence of the Skaergaard Intrusion, east Greenland, remains…”
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Two expressions of the transition from mafic cumulates to granitoids in the Bushveld Complex, South Africa: Examples from the western and eastern limbs by Skursch, Ole, Tegner, Christian, Lesher, Charles E., Cawthorn, R. Grant

“…In the Bushveld Complex of South Africa, numerous granitic and granophyric rocks termed the Lebowa Granite and Rashoop Granophyre Suites, respectively, overlie…”
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