... Siberia) were studied. According to lithological composition, two horizons were distinguished within this suite: Osinski-2 Є1us(os2) as saliferous interbeddings ( halite, gypsum, anhydrite) and carbonates and Osinski-1 Є1us(os1), mainly carbonates (dolomites, limestones). In accordance to their composition, texture-structure features and genesis eight, (8) litho-types were highlighted and described. The formation conditions are as follows: arid climate, salty waters, coastal shelf and polyhaline ...

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