Evidence for subduction-related signatures in the southern African lithosphere from the N-O isotopic composition of metasomatic mantle minerals
Angus Fitzpayne, Andrea Giuliani, Chris Harris, Emilie Thomassot, Chen Cheng, Janet Hergt
Geochimica et Cosmochimica Acta | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2019
Awarded by Australian Research Council through a Discovery Early Career Researcher Award (DECRA)
We thank Graham Hutchinson and Alan Greig for their help during EPMA and LA-ICP-MS sessions, respectively. We also thank the De Beers Group, the University of Cape Town "John J. Gurney Upper Mantle Research Collection", Phil Janney, and Simon Shee, for providing unrivalled access to the studied samples, as well as Jock Robey for his help during fieldwork in the Kimberley area. Sherissa Roopnarain helped with the O isotope analyses at UCT. E. Thomassot thanks the IPGP and the Stable Isotope Geochemistry group for welcoming her as a CNRS fellow. Ashton Soltys and Hayden Dalton provided constructive and stimulating discussion as well as informal reviews of parts of this manuscript. We also thank James Day for editorial handling, as well as Ralf Halama and Sonja Aulbach for their highly constructive suggestions, which greatly improved the contents of this article. AF's PhD research is supported by the Gilbert Rigg scholarship from the University of Melbourne. AG acknowledges funding from the Australian Research Council through a Discovery Early Career Researcher Award (DECRA; award no. DE-150100009). This is publication 42 from the Kimberlites and Diamonds (KiDs) research group at the University ofMelbourne (https://kimberlitesdiamonds.org), also listed as contribution 1325 from the ARC Centre of Excellence for Core to Crust Fluid Systems (https://www.ccfs.mq.edu.au), 1302 in the GEMOC Key Centre (https://www.gemoc.mq.edu.au), and 2691 in the CRPG (https://www.crpg.cnrs-nancy.fr/).