Petrographic observations, substantiated by the X-ray phase examinations, have revealed dissimilar character of the secondary dolomite development within the highly bituminous rocks of the Bazhenov formation. The mineral ...

At the early stage of the stress-strain state in the Krasnoleninskij swell the character of hydrothermal transformation of the sedimentary strata in the Talinskoye field and Palyanovskaya area used to differ. In the former ...