Figure 12. Variations of Cu,Fe sulfide composition from the center of the structure (Sample 3982-M1-2): 1 - top of the sample, 2 - middle, 3-4 - base; 5 - CuFeS2, 6 - CuFe2S3, 7 - CuFe3S4, 8 - FeS, 9 - talnakhite.