Padovani, E.R. and Carter, J.L. 1977. Granulite facies xenoliths from Kilbourne Hole maar, New Mixico maar, New Mexico, and their bearing on deep crustal evolution. International Kimberlite Conference: Extended Abstracts. 2, 1 (Sep. 1977), 257–254. DOI:https://doi.org/10.29173/ikc1010.