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Publikováno v:
Geological Journal. :74-82
Zircons formed at 3.08; 3.17-3.19 and 3.23 Ga were found in metaterrigeneous rocks that occur between horizons of iron-bearing quartzites on the Chertomlyk volcanogenic iron ore deposit. The youngest detrital zircon crystallized at 3.08 Ga signifies