Minor magmatic intrusions of kimberlite, melilitite and cpx-melilitite occur in the southern part of the Kola Peninsula, Russia, on the Terskii Coast and near the town of Kandalaksha. They yield K-Ar ages of 382 ± 14 Ma ...
Kimberlites are considered to be products of crystallization of melts formed in 'fluidization and magmatic replacement' or by the disintegration and partial melting of rocks from great depth, the incompletely melted remains ...