leg site hole core section top interval depth (cm) bottom interval depth (cm) top of core depth (m) sample midpoint depth (m) coring device analyst location source repeat column magnetic intensity exponent alternating field demagnetization magnetic intensity J(H)/Jo declination inclination comments 4 23 3 2 0.0 16.0 62.40 64.06 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 5 NRM 1.183 258.0 41.7 4 23 3 2 0.0 16.0 62.40 64.06 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 6 500 8.809 281.7 42.6 4 23 3 2 0.0 16.0 62.40 64.06 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 6 1000 6.732 283.0 -44.7 4 23 3 2 0.0 16.0 62.40 64.06 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 6 1500 4.659 275.8 42.4 4 23 3 2 0.0 16.0 62.40 64.06 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 6 2000 1.981 280.7 29.5