Gondwana break-up related magmatism in the Falkland Islands

• Published in: Journal of the Geological Society
• Main Authors: Hole, M.J., Ellam, R.M., MacDonald, D.I.M., Kelley, S.P.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Geological Society of London 2016
• Subjects: Theron Mountains; Antarc*; Antarctica
• Online Access: http://eprints.gla.ac.uk/110216/; http://eprints.gla.ac.uk/110216/1/110216.pdf

Jurassic dykes (c. 182 Ma) are widespread across the Falkland Islands and exhibit considerable geochemical variability. Orthopyroxene-bearing NW–SE-oriented quartz-tholeiite dykes underwent fractional crystallization at >1 GPa, and major element constraints suggest that they were derived by melti...