Petrography, Sr-isotope geochemistry and geochronology of the Nxau Nxau kimberlites, north-west Botswana

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Funding Acknowledgements

We thank Graham Hutchinson, Alan Greig and Erin Matchan and Stan Szczepanski for assistance with EMP, LA-ICP-MS and <SUP>40</SUP>Ar/<SUP>39</SUP>Ar analysis, respectively and to The University of Melbourne Noble Gas and Isotope Geochemistry Labs. We are also grateful to Tsodilo Resources for access to samples and logistical support. The primary author is a grateful recipient of an Australian Government Research Training Program Scholarship. The authors would like to thank Bruce Kjarsgaard, Sebastian Tappe and an anonymous reviewer for their thoughtful and constructive comments on this paper and Angus Fitzpayne for his assistance in proof-reading.