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Figure 3. Carbon isotope stratigraphy and correlation of the North African and European Campanian. Carbon isotope profiles are black lines, genral trends (thick gray lines) at El Kef. The chemostratigraphic correlation is indicated by the horizontal gray (d13C events) and stippled (negative d13C events) bands. Breaks in the Bidar d13C profile are faulted contacts with unknown gaps in the succession. Gf. Globotruncana falsostuarti; G. ventr, G. ventricosa; Gw, Gansserina wiedenmayeri; Mt, Marsupites testudinarius; Bl, Belemnella lanceolata; Sa, Santonian; Ma, Maastrichtian; Modified from Jarvis et al. (2002).