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ABST RACT The deep scaled minerals from Mesozoic kimberlite and lumprcitc rocks from two peripheral parts of Siberian craton Cbcmpolo mea in Aldan shield and Easl Prianabaric and reconstructed nuuulcsections arc compared. Despite [he difference in mineral assemblages. the mineral chemistry suggests essential interaction with PT plume melts. Mantic column beneath Aldan is bcnrcd anti depleted 10Febnrzburgitcs while the middle part of fbcsection ncar .15-4Ukbcr is constructed (rom gar ner-clinopyroxcnitcs. In Prinnabnric essential part of mantle column sta rt ing from 65 kbar is changed to coarse dunircs with nests of gamer pyroxcnitcs and abundantkuscs of glimmerites anti ilmenite onbopyroxc nites. cold eclogites and irregularly heated pyroxeuitcs are refe rred 10 the pressure s 40·;'iOkbnrs . Medium-grained serpentinized pyru xenitcs comprise the uppcrmosrmautlc there.

COMPOSITION AND THERMAL STRUCTURE OF THE MANTLE IN PERIPHERAL PARTS OF SIBERIAN CRATON