Initial Reports, Volume 199 Ms 199-110 Chapter 10, Table T8. Nannofossil and radiolarian events, Site 1217. Notes: T = top, B = bottom. Biostratigraphic events are noted with the depth of the sample and the range of that sample (see "Biostratigraphy"). Marker species/Zonal boundaries Nannofossil events: Age (Ma) Depth (mcd) Plus/minus (m) B Tribrachiatus contortus 53.6 129.91 0.1 NP9/10 53.9 130.57 0.07 T Fasciculithus tympaniformis 55 135.91 1.68 Marker species/Zonal boundaries Radiolarian events: Age (Ma) Depth (mcd) Plus/minus (m) RP19/18 34.9 32.46 0.38 RP18/17 36.4 44.2 1.12 RP17/16 37.7 50.18 1.65 RP16/15 38.8 61.4 0.19 RP15/14 39.5 72.44 0.89