Initial Reports, Volume 199 Ms 199-115 Chapter 15, Table T8. Nannofossil and radiolarian events, Site 1222. Notes: * = midpoint age (plus/minus 0.5 m.y.). ** = datums used for LSR control in Figure F10. Marker species/Zonal boundaries Age (Ma) Depth (mcd) plus/minus (m) Nannofossil events: NP22/23 31.7 67.85 0.12 NP10** 53.90* 93.17 4.99 Marker species/Zonal boundaries Age (Ma) Depth (mcd) plus/minus (m) Radiolarian events: RN12/11 2.74 19 0.29 RN11/10 3.87 19.38 0.19 RN10/9 4.19 22.16 0.35 RP22/21 24.6 48.23 0.75 RP21/20 29.27 63.69 0.63 RP20/19** 33.47 70.58 0.75 RP19/18 34.77 70.58 0.75 RP18/17 36.96 72.29 0.86 RP17/16 38.12 72.29 0.86 RP16/15** 40.12 72.29 0.86