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 69 505 A 1 1 36.0 196.50 196.86 PECHERSKY, D. M. 103 IGNEOUS ONSHORE INITIAL REPORTS (IR) 2.35@-3 39.@-6 120.0 PLAG-OL MOD PHYRIC BASALT,ALT FRESH* 3 69 505 A 2 1 5.0 203.50 203.55 PECHERSKY, D. M. 105 IGNEOUS ONSHORE INITIAL REPORTS (IR) 11.53@-3 600 42.@-6 549.0 PLAG-OL MOD PHYRIC BASALT,ALT FRESH* 3