Calcite Compensation Depth (CCD), Figure 1

View of calcareous ooze from Ontong Java Plateau, western equatorial Pacific, in a partially opened box core. Contents of calcareous ooze (nannofossils, planktonic foraminifers) to the right (Sources: SIO (box core photo, coccosphere, foraminifers) and Bukry and Bramlette (1969), Leg 1 of DSDP (nannofossils. The discoasters are extinct)).