Figure 3. a) Schematic geological map of development of the North Karelia layered intrusions (lattice) and Kivakka intrusion position. b) Scheme of the geological structure of the Kivakka intrusion [Koptev-Dvornikov et al., 2001]. 1 - contact zone rocks; 2 - peridotite of the olivinite zone; 3 - norite with pyroxenite horizons; 4 - norite; 5 and 6 - gabbro-norite; 7 - geological boundaries; 8 - faults; 9 - sampling profile of oriented samples, sampling points and sample number.