2) a sediment core was drilled near the center of this seismic profile, during the ocean drilling project leg 136. data from holes 842 and 843a are included below odp leg 136 results hole 842 hole 843a p-wave gamma ray 0 t cayclayiclaystone chert at 843 a) the core just reached the basement. draw a rectangle on the seismic profile to show the location and depth of the sediment core. b) does one "seismic facies" correlate to one "lithologic unit"? c) describe the lithologic units that make up seismic facies ha1.