2005-11-09 Stephen Marjoribanks Sample borehole data taken from RF Craig Soil Mechanics 6th Edition, Table 10.1 pg419 Barnhill Shell & Auger to 14.4m, Rotary core drilling to 17.8m 150 0.00 0.70 Topsoil Topsoil 0.70 2.60 Sand Loose, lightly brown SAND Sand Soil Loose Light brown Main 2.60 4.40 Gravelly Sand Medium dense, brown gravelly SAND Sand Soil Medium dense Brown Main 4.40 12.20 Clay Firm to stiff, yellowish brown, closely fissured CLAY of high plasticity Clay Soil Firm to Stiff High Brown Yellow Main Closely fissured 12.20 14.40 Sand Very dense, red, silty SAND with decomposed SANDSTONE Sand Soil Very dense Red Main Silty Sandstone Rock Decomposed Secondary 14.40 17.80 Sandstone Red, medium-grained, granular, fresh SANDSTONE, moderately weak, thickly bedded Sandstone Rock Granular Red Medium Moderately weak Thickly bedded Fresh