Creaser, R.A., et al. “Macrocrystal Phlogopite Rb-Sr Dates for the Ekati Property Kimberlites, Slave Province, Canada: Evidence for Multiple Intrusive Episodes in the Paleocene and Eocene”. International Kimberlite Conference: Extended Abstracts, vol. 8, June 2003, doi:10.29173/ikc3131.