Formation features of the early-Hercynic alkaline-ultrabasic and basic volvanic complexes and diamondiferous criteria of the kimberlites from Zimny Bereg area (north-west of Archangelsk region, Russia) - Tretyachenko, V.V.; Bovkun, A.V.; Garanin, K.V.; Garanin, V.K.; Tretyachenko, N.G. (International Kimberlite Conference: Extended Abstracts, 2012)