Gordina Raisa Ilinichna RussiaSaratovSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russiaresearcherkorobad@yandex.ru Author's articles Brine Contribution to Hydrothermal Albitization Concomitant to Productive Reservoir Formation within the Cover (West Siberia) Secondary Terrigenous Screens of the Tyumen Switch – Reliable Factor of Preservation of Productivity Bazheno-аbalak Complex