[1]
Hearn, B. 1991. Composite Megacrysts and Megacryst Aggregates from the Williams Kimberlites, Montana, USA: Multiple Products of Mantle Melts. International Kimberlite Conference: Extended Abstracts. 5, (Feb. 1991), 170–172. DOI:https://doi.org/10.29173/ikc2501.