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 24 4 2 13.0 0.0 225.00 226.63 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 5 6 2.524 199.5 10.0 50 5.425 231.1 58.6 CLAYSTONE 4 24 4 3 29.0 0.0 225.00 228.29 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 7 8 1.275 320.1 -71.2 50 9.297 314.7- 79.0 SILTY CLAYEY SANDSTONE 4 24 4 4 6.0 0.0 225.00 229.56 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 7 7 2.129 215.4 17.6 50 1.481 186.3 -2.6 CLAY