Paleocene

“Golden spike” at the GSSP of the Selandian stage (lower Upper Paleocene) at Zumaia section, Spanish Basque Country. The spike sits on the top plane of the uppermost limestone bed of the Aitzgorri Limestone Formation which is identical to the basal plane of the overlying red marls of the lowest part of the Itzurun Formation (right-hand outside the picture).[1]

Information sign for the GSSP of the Seelandian stage (lower Upper Paleocene) at Zumaia section, Spanish Basque Country. The sign is mounted near the “golden spike” on the top plane of the uppermost limestone bed of the Aitzgorri Limestone Formation which is identical to the basal plane of the overlying red marls of the lowest part of the Itzurun Formation (right-hand outside the picture).[1]

View north across Frenchman River of Upper Cretaceous and Paleocene age strata of the Bearpaw, Whitemud, Battle, Frenchman, and Ravenscrag Formations in the Cypress Hills of southern Saskatchewan. Foreground strata on other side of (tree lined) creek represent a slumped section. Note the bright white zone is the Whitemud Formation. View includes type area of Frenchman and Ravenscrag Formations.

View northeast across Frenchman River of Upper Cretaceous and Paleocene age strata of the Bearpaw, Whitemud, Battle, Frenchman, and Ravenscrag Formations in the Cypress Hills of southern Saskatchewan. Foreground strata on other side of (tree lined) creek represent a slumped section. Note the bright white zone is the Whitemud Formation. View includes type area of Frenchman and Ravenscrag Formations.