Figure 1. Early Paleoproterozoic Baltic large igneous SHMS province (after [{\it Sharkov et al.,} 1997]). \newline 1 - Archean basement; 2 - Paleoproterozoic sedimentary-volcanic complexes; 3 - layered intrusions: B - Burakovsky, G - Mt. General'skaya, K - Koitilainen, Kem - Kem', Ko - Koilismaa, M - Monchegorsky, Ol - Olanga (Oulanka) group, Pa - Pana, F - Fedorova Tundra; 4 - Lapland-Umba granulite belt, LUGB (PUB - Por'ya Bay-Umba Block); 5 - intercratonic mobile belts (BMB - Belomorian, TLMB - Tersk-Lotta); 6 - Main Lapland Thrust; 7 - major faults; 8 - eastern boundary of the Baltic Shield. The inset shows the position of major structural domains in the eastern part of the Baltic Shield in Early Paleoproterozoic time.