Figure F8. Percent blue reflectance (450-550 nm) and weight percent CaCO₃ vs. age. A. 0-35 Ma. B. 0-5 Ma. C. Percent blue reflectance (450-550 nm) and weight percent CaCO₃ vs. age for 0-1 Ma. D. Percent red reflectance (650-750 nm) and weight percent CaCO₃ vs. age for 0-1 Ma.