Expedition Report, Volume 304/305 Ms 304305-103 Table T21. Units displaying rapid transitions of magnetic susceptibility, Hole U1309B. Unit Core Depth (mbsf) 304-U1309B- 20 5R-1 30.40, 31.82 34 12R-1 62.6 12R-2 63.4 13R-1 66.9 62 19R-2 96.2, 96.8 19R-3 97.2, 97.65 20R-1 99.1