Peridotitic mantle section beneath V.Grib kimberlite pipe (Arkhangelsk region, Russia): mineralogical composition, P-T conditions, metasomatism - Shchukina, E.V.; Malkovets, N.G.; Golovin, N.N.; Pokhilenko, N.P. (International Kimberlite Conference: Extended Abstracts, 2012)