The relative roles of lithosphere and convecting mantle in kimberlites from the Slave Province NWT: constraints from Re-Os isotopes and olivine population studies - Pearson, D.G.; Nowell, G.M.; Dowall, D.P.; Kjarsgaard, B.A.; Kopylova, M.G.; Armstrong, J.A. (International Kimberlite Conference: Extended Abstracts, 2003)