Figure F32. Basement stratigraphy and unit boundaries. Depths are in meters below seafloor to the top of each core. Where subunits or cooling units are present, they are represented by a line and/or a change in lithology in the lithology/structure column. All data used to compile this figure are included in Table T5. A. Hole 1149B. B. Hole 1149C. C. Hole 1149D.