Figure F6. Biostratigraphic zonation at Site 1220. Horizontal dashed lines = boundary can only be approximated by available biostratigraphy. Vertical dashed lines = intervals where the absence of intervening zonal markers prevents further subdivision of the zonation. TD = total depth.

Figure F6. Biostratigraphic zonation at Site 1220. Horizontal dashed lines = boundary can only be approximated by available biostratigraphy. Vertical dashed lines = intervals where the absence of intervening zonal markers prevents further subdivision of the zonation. TD = total depth.