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The Jurassic-Cretaceous boundary in the Middle Volga region. Field guide to the International meeting on the Jurassic/Cretaceous boundary. September 7-13, 2015, Samara (Russia). – Samara: Samara State Technical University, 2015. – 130 p.

The field guide provides data on the Jurassic/Cretaceous boundary in the Middle Volga region, including information on ammonite zonal and infrazonal biostratigraphy, paleomagnetostratigraphy and three sections of the boundary interval – Gorodischi (lectostratotype of the Volgian Stage), Kashpir (Kashpurian Stage stratotype) and Mar’evka.

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