High Arctic Large Igneous Province Alkaline Rocks in Canada: Evidence for Multiple Mantle Components

• Published in: Journal of Petrology
• Main Authors: Bédard, Jean H, Troll, Valentin R, Deegan, Frances M, Tegner, Christian, Saumur, Benoit M, Evenchick, Carol A, Grasby, Stephen E, Dewing, Keith
• Other Authors: Geological Survey of Canada
• Format: Article in Journal/Newspaper
• Language: English
• Published: Oxford University Press (OUP) 2021
• Subjects: Arctic; Ellesmere Island; Canada; Greenland; Fulmar; Hassel; Audhild Bay; greenlandic; Ocean Island
• Online Access: http://dx.doi.org/10.1093/petrology/egab042; http://academic.oup.com/petrology/advance-article-pdf/doi/10.1093/petrology/egab042/38575853/egab042.pdf; https://academic.oup.com/petrology/article-pdf/62/9/egab042/42755472/egab042.pdf

Abstract The Cretaceous High Arctic Large Igneous Province (HALIP) in Canada, although dominated by tholeiites (135–90 Ma), contains two main groups of alkaline igneous rocks. The older alkaline rocks (∼96 Ma) scatter around major fault and basement structures. They are represented by the newly defi...