leg site hole core section top interval depth(cm) bottom interval depth(cm) top of core depth(m) sample midpoint depth(m) repeat column coring device code analyst location data source exponent nrm intensity exponent afd intensity exponent sus intensity nrm intensity nrm declination nrm inclination alternating field demagnetization mean demagnetizing field afd intensity afd declination afd inclination initial susceptibility comments 4 28 2 2 10.0 0.0 68.00 69.60 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 5 5 1.571 176.9 -0.9 50 1.020 171.9- 19.5 CLAY 4 28 2 3 16.0 0.0 68.00 71.16 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 6 6 8.576 222.8 37.2 50 5.849 240.4 24.1 CLAY 4 28 2 4 18.0 0.0 68.00 72.68 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 5 6 1.331 237.6 38.4 50 5.636 259.0 16.3 CLAY 4 28 3 1 11.0 0.0 169.00 169.88 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 7 7 1.173 235.9 22.0 50 1.631 84.7 76.6 CLAYEY SILT 4 28 3 2 36.0 0.0 169.00 171.63 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 8 8 3.386 36.9 40.0 50 8.412 29.9- 40.5 CALCAREOUS CLAYEY SILT 4 28 3 3 42.0 0.0 169.00 173.19 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 7 8 1.140 162.3 40.5 50 7.705 77.0 47.7 CALCAREOUS SILT 4 28 3 4 57.0 0.0 169.00 174.84 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 7 7 1.628 110.6 -47.4 50 1.171 107.4- 61.5 CALCAREOUS CLAYEY SILT 4 28 3 5 11.0 0.0 169.00 175.88 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 7 8 1.188 214.3 -36.7 50 7.919 247.3- 51.6 CALCAREOUS CLAYEY SILT 4 28 3 6 24.0 0.0 169.00 177.51 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 8 7 2.909 35.5 -42.1 50 1.017 347.7- 58.1 CALCAREOUS CLAYEY SILT