Nowell, G., Pearson, D., Jacob, D., Spetsius, Z., Nixon, P., & Haggerty, S. (2003). The origin of alkremites and related rocks: a Lu-Hf, Rb-Sr and Sm-Nd isotope study. International Kimberlite Conference: Extended Abstracts, 8. https://doi.org/10.29173/ikc3173