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 2 12 B 1 1 32.0 34.0 110.00 110.33 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 5 5 0.01000 159.2 30.1 50 0 .00581 157.5 31.0 CLAY 2 12 B 2 1 128.0 130.0 155.80 157.09 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 5 5 0.02180 228.9 -33.3 50 0 .01240 220.7- 49.9 ALTERED VOLCANIC MINERALS 2 12 B 2 2 16.0 18.0 155.80 157.47 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 5 5 0.07650 268.6 -59.9 50 0 .05520 274.6- 51.0 CLAY 2 12 B 2 2 45.0 47.0 155.80 157.76 0 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE IR 5 5 0.00753 162.8 30.4 50 0 .01140 219.7- 24.8 VOLCANIC ASH