Mesoarchean melting and Neoarchean to Paleoproterozoic metasomatism during the formation of the cratonic mantle keel beneath West Greenland

• Published in: Geochimica et Cosmochimica Acta
• Main Authors: van Acken, David, Luguet, Ambre, Pearson, D.G., Nowell, G.M., Fonseca, R.O.C., Nagel, Thorsten, Schulz, T.
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2017
• Subjects: Harzburgite; Highly siderophile elements; Mantle metasomatism; Model ages; Osmium isotopes; Greenland; Kangerlussuaq
• Online Access: https://pure.au.dk/portal/da/publications/mesoarchean-melting-and-neoarchean-to-paleoproterozoic-metasomatism-during-the-formation-of-the-cratonic-mantle-keel-beneath-west-greenland(5fc192ce-50e7-48cb-9d10-b29083d722ba).html; https://doi.org/10.1016/j.gca.2017.01.006

Highly siderophile element (HSE) concentration and 187 Os/ 188 Os isotopic heterogeneity has been observed on various scales in the Earth's mantle. Interaction of residual mantle peridotite with infiltrating melts has been suggested to overprint primary bulk rock HSE signatures originating from...