Figure F3. Sedimentation rate summary curves for Holes 1168A, 1170A, 1171A, and 1172A through the Quaternary. D = relative disturbance of core material based on visual examination of core photos. See Table T5, for biomagnetostratigraphy datums used and Stickley et al. (this volume) for oxygen isotope and reflectance stratigraphy. LO = last occurrence, FO = first occurrence.