STRATIGRAPHY AND FUSULINIDS OF THE KASIMOVIAN AND LOWER GZHELIAN(UPPER CARBONIFEROUS) IN THE SOUTHWESTERN DARVAZ (PAMIR)

by ERNST JA. LEVEN, VLADIMIR I. DAVYDOV
Published 2001-03-01

Usolka section (southern Urals, Russia): a potential candidate for GSSP to define the base of the Gzhelian Stage in the global chronostratigraphic scale

by Valery V. Chernykh, Boris I. Chuashov, Vladimir I. Davydov, Mark Schmitz, walter S. Snyder
Published 2006-12-01