ABOUT GEOLOGICAL IMPORTANCE OF DISCOVERED BY YOUNG GEOLOGISTS OF NIZHEGORODSKIY GEOLOGICAL CENTER “SEMIPRECIOUS” UNIQUE TECTONICALLY DISTURBED STEEP CLIFF NEAR VILLAGE BEZVODNOE OF KSTOVSKIY DISTRICT (from the series “Wonderful geographical places of Nizhny Novgorod Volga region”)

In the article considered some aspects of forming of Volga’s and Oka’s valley, scarp slope of right fundamental slope of its valley - Mstersko-Kozmodemjanskaja ridge, tracing the weakened zone in crystalline basement (Vladimiro-Kazanskaja boundary). Presented the description of steep cliff of monocline falling rock layers of lowermost horizon of urzhumskiy tier, crashed into blocks by many faults, which proves tectonic determination of the most Northern structure of Privolzhskaja upland - Mstersko-Kozmodemjanskaja ridge