Haggerty, S.E. 1986. Source regions for oxides, sulphides and metals in upper mantle: Clues to the stability of diamonds, and the origin of kimberlites and lamproites. International Kimberlite Conference: Extended Abstracts. 4, 1 (Sep. 1986), 250–252. DOI:https://doi.org/10.29173/ikc1133.