00481naa#a2200157#i#450# EN\\bibl\46689 20260205050505.4 1681-1208 20150425b2015####ek#y0engy0150####ca RU Pyroxenite xenoliths in basalts of Roca Negra volcano, Catalonia Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2015 12 с. Journal article local Grachev A F www.rjes.ru