The Exposure Upper Jurassic adjournment on the right coast Kuibyshev of a water basin
The Exposure Upper Jurassic adjournment on the right coast Kuibyshev of a water basin (Russian: ) - is a Natural Monument (Protected areas of Ulyanovsk Oblast).
Basic special features
Gorodishchi an exposure the most interesting place Ulyanovsk paleontologic zakaznik. Represents scientific value as a basic section Upper Jurassic adjournment on Russian platform. On a day time surface there are adjournment top Volga and a bottom Volga circles, here there is a various mineral fauna: vertebrae of the ichthyosauruses and the plesiosauri, the hardened bowls of molluscs. The Cambridge and Oxford circles are partially covered by a landslip, are below a level of a water basin.
The basis for creation of PA and its importance
Stratotype Jurassic and cretaceous adjournment. In layers consistently leaning against each other the information on change of a life between two geological periods - Jurassic and cretaceous contains. Here numerous finds vertebrate and the invertebrate faunae are found. Since times Pallas and Lepyokhin he is a place of pilgrimage of Russian and foreign geologists.