Figure F26. A. Site 1178 bulk density measurements. Lithostratigraphic Subunits IA (upper slope-apron facies), IB (middle slope-apron facies), IC (lower slope-apron facies), IIA (accreted axial trench-wedge facies), IIB (accreted outer trench-wedge facies), and IIC (accreted axial trench-wedge facies) are indicated. B. MST GRA and mass/volume bulk density. C. Grain density. D. Porosity.