Ti-Rich Tholeiitic Picrites from the Prinsen af Wales Bjerge, East Greenland, and Evidence for a Pyroxene-Rich Mantle Source at Breakup in the North Atlantic

• Published in: Journal of Petrology
• Main Authors: Hansen, Henriette, Nielsen, Troels F D
• Format: Article in Journal/Newspaper
• Language: English
• Published: Oxford University Press (OUP) 2022
• Subjects: Geochemistry and Petrology; Geophysics; Greenland; Kangerlussuaq; Milne Land; Prinsen; Prinsen af Wales Bjerge; Urbjerget; East Greenland; North Atlantic
• Online Access: http://dx.doi.org/10.1093/petrology/egac078; https://academic.oup.com/petrology/advance-article-pdf/doi/10.1093/petrology/egac078/45250740/egac078.pdf; https://academic.oup.com/petrology/article-pdf/63/8/egac078/45609293/egac078.pdf

Abstract Highly magnesian, olivine-phyric tholeiitic basaltic and picritic lavas with >5 wt% TiO2 from the Prinsen af Wales Bjerge (PAWB) region are chemically distinct from all other Paleogene East Greenland flood basalts and from basalts in the North Atlantic Igneous Province. The ~100-m-th...