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 29 1 3 0.0 30.0 0.00 3.30 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 NRM 132.9 -65.2 4 29 1 3 0.0 30.0 0.00 3.30 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 500 101.9 69.9 4 29 1 3 0.0 30.0 0.00 3.30 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 1000 112.0 64.1 4 29 1 3 0.0 30.0 0.00 3.30 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 1500 117.8 69.9 4 29 1 3 0.0 30.0 0.00 3.30 CONVENTIONAL ROTARY DRILLING CORER Opdyke, N. D. ONSHORE INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 0 2000 115.0 55.7