leg site hole core section top interval depth (cm) bottom interval depth (cm) top of core depth(m) top of layer depth (m) bottom of layer depth (m) describer lithology color structures deformations due to drilling unusual occurrences minerals paleontology other observations hardness or induration z-coding 70 506 G 1 1 103.0 150.0 27.50 28.53 29.00 SANDY AND SANDY SILT BLACK,GREENISH BLACK,GREENISH GRAY * SOFT 33214000