The paper analyzes the geological structure, mineral parageneses, and composition of minerals of mantle rocks and the kimberlite groundmass, as well as the conditions of formation and the technique, of development of the ...
The megacryst suite of the Grib kimberlite pipe (Arkhangelsk province, Russia) comprises garnet, clinopyroxene, magnesian ilmenite, phlogopite and garnet-clinopyroxene intergrowths. Crystalline inclusions, mainly of ...