Abstract
It is shown that the ore-forming systems (OFS) of the Vendian-Riphean Greenstone belts (GSB) in the Transbaikalia region were formed in a wide age range: from the Riphean to the Cenozoic. They are grouped into 6 metallogenic types. The noble metal type is divided into 6 metallogenic subtypes differed in time duration intervals of functioning. OFS evolution wore multistage nature inherited from the composition of the GSB primary rocks, with a tendency of the ore generating processes remobilization and regeneration (dynamometamorphism) changing over time by rejuvenation (shoshonite latite and picrobasalt magmatism, mud volcanism).
Highlights
Over the past decades, the doctrine of mineral deposits has taken a sharp turn towards the concept of “Ore-forming systems” (OFS)
It is shown that the ore-forming systems (OFS) of the Vendian-Riphean Greenstone belts (GSB) in the Transbaikalia region were formed in a wide age range: from the Riphean to the Cenozoic
OFS evolution wore multistage nature inherited from the composition of the GSB primary rocks, with a tendency of the ore generating processes remobilization and regeneration changing over time by rejuvenation
Summary
The doctrine of mineral deposits has taken a sharp turn towards the concept of “Ore-forming systems” (OFS). In addition to deposits of noble and non-ferrous metals, uranium deposits, ferruginous quartzites formation which is one of the most important minerogenic features that distinguish Greenstone belts from ophiolite ones, are associated with it
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