Figure F6. Woodbury (?lower Campanian), Merchantville (Santonian to lowermost Campanian), and Cheesequake (Santonian) Formations, Ancora Site. Numbers in Ma are Sr isotopic age estimates (Table T2). The key for symbols is given in Figure F2. Foram. = planktonic foraminifer biostratigraphy; Nannofossils (Nanno.) = calcareous nannoplankton biostratigraphy; FAD = first appearance datum; LAD = last appearance datum; Fm. = Formation; MFS = maximum flooding surface.