@article{Hearn_1991, title={Composite Megacrysts and Megacryst Aggregates from the Williams Kimberlites, Montana, USA: Multiple Products of Mantle Melts}, volume={5}, url={https://ikcabstracts.com/index.php/ikc/article/view/2501}, DOI={10.29173/ikc2501}, journal={International Kimberlite Conference: Extended Abstracts}, author={Hearn, B.C.Jr.}, year={1991}, month={Feb.}, pages={170–172} }