Mengel, K., K.H. Wedepohl, and J Oehm. “Depleted Mantle Rocks and Metasomatically Altered Peridotite Inclusions in Tertiary Basalts from the Hessian Depression (NW-Germany)”. International Kimberlite Conference: Extended Abstracts 3 (September 1, 1982): 230–230. Accessed December 21, 2025. https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/2326.