leg site hole core section top interval depth(centimeters) bottom interval depth(centimeters) top of core depth(meters) sample midpoint depth(meters) analyst code piece number lithology shipboard or onshore measurement data source nrm intensity nrm inclination nrm declination stable inclination stable declination quality of orientation mean demagnetizing field initial susceptibility koenigsberger ration comments 70 507 B 1 1 10.0 13.0 31.00 31.12 20 IGNEOUS SHIPBOARD INITIAL REPORTS (IR) 28.8@-3 10. 208. 8. 206. 74 2.21@-3 39. PLAG SPARSELY PHYRIC BASALT,ALT MOD* 4 70 507 B 1 1 18.0 20.0 31.00 31.19 FURUTA, T. 21 IGNEOUS ONSHORE INITIAL REPORTS (IR) APHYRIC BASALT,ALT FRESH* 5 70 507 B 1 1 18.0 22.0 31.00 31.20 21 IGNEOUS SHIPBOARD INITIAL REPORTS (IR) 12.0@-3 UNORIENTED 81 2.90@-3 13. SUBOPHITIC BASALT,ALT FRESH* 3 70 507 B 1 1 20.0 22.0 31.00 31.21 FURUTA, T. 21 IGNEOUS ONSHORE INITIAL REPORTS (IR) APHYRIC BASALT,ALT FRESH* 5 70 507 B 1 1 25.0 27.0 31.00 31.26 22 IGNEOUS SHIPBOARD INITIAL REPORTS (IR) 12.4@-3 14. 145. 10. 146. 94 2.04@-3 18. SUBOPHITIC BASALT,ALT FRESH* 3 70 507 B 1 1 40.0 42.0 31.00 31.41 FURUTA, T. 24 IGNEOUS ONSHORE INITIAL REPORTS (IR) APHYRIC TO PLAG SPARSELY PHYRIC BASALT,ALT FRESH*5 70 507 B 1 1 42.0 44.0 31.00 31.43 FURUTA, T. 24 IGNEOUS ONSHORE INITIAL REPORTS (IR) APHYRIC BASALT,ALT FRESH* 5 70 507 B 1 1 43.0 46.0 31.00 31.44 24 IGNEOUS SHIPBOARD INITIAL REPORTS (IR) 13.6@-3 UNORIENTED 188 2.41@-3 17. COARSE-GRAINED SUBOPHITIC BASALT,ALT FRESH* 3 70 507 B 1 1 53.0 56.0 31.00 31.55 25 IGNEOUS SHIPBOARD INITIAL REPORTS (IR) 16.3@-3 14. 316. 8. 312. 118 1.98@-3 25. SUBOPHITIC BASALT,ALT FRESH* 4 70 507 B 1 1 57.0 59.0 31.00 31.58 FURUTA, T. 25 IGNEOUS ONSHORE INITIAL REPORTS (IR) APHYRIC BASALT,ALT FRESH* 5