No abstract

No abstract

No abstract

No abstract

Archangelsk diamondiferous kimberlitic province is on the territory of the European part of Russia. All of discoveries: industrial, low-and non-diamondiferous alkaline-ultrabasic magmatites mainly are located in Zimnyi Bereg area of the province. There are more 60 objects of the kimberlitic and related magmatism, include two industrial diamond deposits -M.V. Lomonosov and V. Grib. There are two contrast types of the kimberlites and related rocks among these magmatites: low-and non-diamondiferous kimberlites, picrites and olivine melilitites. They differ in mineral composition, groundmass specialization, association of the mantle, metamorphic xenoliths and quantity, size, morphology features and physical properties of diamonds (Bogatikov et al., 1999).