Irokinda (Kelyana-Irokinda,

Tuldun, Kurba-Vitim)

1060-282

Gneisses, crystalloslates, granulites, orthoamphibolites, calciphyres, serpentinites, dioritoids, granites, pegmatites

Beresite-like feldspar-muscovite-carbonate dynamometamorphytes, listvenites. Auriferous association —pyrite-tourmaline-quartz—is predominant.

Sericite-chlorite mylonites, somerimes kalisparred, carbonate containing dynamoslates, dikes of crystallized pseudotachilites (“diabases”). Auriferous association-chalcopyrite- sphalerite-galenite overlaid on quartz veins is predominant.