Figure F8. Close-up photograph of a typical section of the nannofossil chalk with diatoms that dominates lithostratigraphic Subunit U3C toward the base of the section (interval 205-1253A-2R-3, 67-80 cm). Note the pervasive bioturbation of Planolites and Chondrites.

Figure F8. Close-up photograph of a typical section of the nannofossil chalk with diatoms that dominates lithostratigraphic Subunit U3C toward the base of the section (interval 205-1253A-2R-3, 67-80 cm). Note the pervasive bioturbation of Planolites and Chondrites.