AUTHORS: Mineeva, I.G., Makarov, A.I.
ABSTRACT: Au-U, U and Au deposits have been studied in rift structures of different age on the Ukrainian, Baltic, Aldan shields, and in the Precambrian Baikal fold area. The Precambrian and Phanerozoic Au-U deposits are genetically related to greenstone-hosted iron formations and carbonaceous schists that developed within the ancient rift structures. Recurrent evolution of iron ore-carbon systems as caused by polyphase rifting led to spatio-temporal changes in the genetic association of the Au-U deposits.
KEYWORDS: shields, rift, greenstone belts, iron formations, Au- deposits
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