“Kimberlite” from Wekusko Lake, Manitoba: a diamond-indicator-bearing beforsite and not a kimberlite, after all - Chakhmouradian, A.; Böhm, C.; Demény, A.; Reguir, E.; Hegner, E.; Halden, N.; Yang, P. (International Kimberlite Conference: Extended Abstracts, 2008)