Figure F32. A. Porosity calculated from wet and dry mass measurements and a constant grain density of 2.65 g/cm3 (solid circles) and calculated from wet and dry mass and volume measurements at Site 1254 (open circles), as shown in Figure F29A. B. Bulk density calculated using a constant grain density of 2.65 g/cm3 (solid circles) and using determinations from Site 1254 (open circles).