Initial Reports, Volume 199 Ms 199-110 Chapter 10, Table T3. Composite depths of identified geomagnetic reversals, Site 1217. Notes: * = Cande and Kent (1995). T = top, B = bottom. Chron Depth (mcd) Age* (Ma) B C12n 23.47 30.939 T C13n 27.90 33.058 B C13n 29.88 33.545 T C15n 32.83 34.655 B C15n 33.98 34.940 T C16n.1n 36.38 35.343 B C16n.1n 37.93 35.526 T C16n.2n 39.24 35.685 B C17n 53.53 38.113 T C18n 54.85 38.426 B C18n 62.24 40.130 T C19n 73.57 41.257 B C19n 75.05 41.521 T C20n 80.00-81.95 42.536