Harvey, S., et al. “Utilization of Olivine Macrocryst Grain Size and Abundance Data As a Proxy for Diamond Size and Grade in Pyroclastic Deposits of the Orion South Kimberlite, Fort à La Corne, Saskatchewan, Canada”. International Kimberlite Conference: Extended Abstracts, vol. 10, Feb. 2012, doi:10.29173/ikc3751.