Tectonic maps have been compiled for the Jurassic structural stage of the n
orthern Ob' region. Migration of the boundaries of the major substages from
bottom to roof of the stage is studied.
The new material confirms that the Jurassic structural stage has a topograp
hy subdued from bottom to roof against the background of its rate- and ampl
itude-differentiated sagging, with the structure being generally preserved.
The performed analysis is a base for prediction of the regional petroleum p
otential.