Figure F9. Composite digital photograph and color reflectance red/blue (680 nm/420 nm) ratio for Core 198-1209A-10H. The plot shows the rise in the red/blue ratio at the boundary between Subunits IA and IB. This core is late Miocene in age.

Figure F9. Composite digital photograph and color reflectance red/blue (680 nm/420 nm) ratio for Core 198-1209A-10H. The plot shows the rise in the red/blue ratio at the boundary between Subunits IA and IB. This core is late Miocene in age.