Table T14. Nannofossil, foraminifer, and radiolarian events, Site 1218.
Marker species/
Zonal boundaries
Age
(Ma)
Depth
(mcd)
±
(m)
Nannofossil events:


B Catinaster coalitus 10.80 40.77 0.06
B Discoaster kugleri 11.60 40.12 0.16
T Cyclicargolithus floridanus 13.20 47.51 0.19
T Sphenolithus heteromorphus 13.60 50.46 0.16
T Discoaster deflandrei acme 16.10 50.46 0.16
B Sphenolithus disbelemnos 22.70 90.02 0.25
T Sphenolithus delphix 23.00 97.50 0.09
B Sphenolithus delphix 23.20 98.27 0.54
T Sphenolithus ciperoensis 24.10 109.82 0.71
T Sphenolithus distentus 26.50 131.18 0.56
B Sphenolithus ciperoensis 28.10 144.38 0.75
B Sphenolithus distentus 30.40 190.09 0.60
T Reticulofenestra umbilicus 14 µm 31.70 220.40 0.38
T Ericsonia formosa 32.90 231.68 0.16
T Discoaster saipanensis 34.00 244.97 0.06
T Discoaster barbadiensis 34.20 246.21 0.15
T Chiasmolithus grandis 37.10 260.16 0.07
B Dictyococcites bisectus 40.00 266.81 0.32
T Chiasmolithus solitus 40.40 276.24 0.85
T Nannotetrina spp. 42.30 297.33 0.31
Foraminifer events:


T Catapsydrax dissimilis ciperoensis 17.50 61.71 0.11
T Paragloboratalia kugleri 21.00 73.76 0.75
B Paraglobora taliakugleri 22.90 98.05 0.15
B Globoquadrina dehiscens 23.20 81.68 0.21
B Globoquadrina dehiscens 23.20 84.62 0.38
B Paragloboratalia pseudokugleri 24.60 121.56 0.61
T Paragloboratalia opima opima 27.10 143.19 0.38
T Common Chiloguembelina cubensis 27.00 168.54 0.05
T Turborotalia ampliapertura 29.30 186.95 0.36
B Paragloboratalia opima opima 29.60 189.69 0.27
Radiolarian events:


T Sylatractus universus 0.41 2.71 0.38
B Collosphaera tuberosa 0.61 4.21 0.38
T Calocycletta caepa 6.20 27.25 0.38
T Stichocorys johnsoni 6.60 27.25 0.38
Lithopera neoteraLithopera bacca 8.80 35.82 1.13
T Carpocanpsis cristata 10.60 35.82 0.38
RN7/6 8.77 36.57 0.75
T Stichocorys wolffii 8.80 37.32 0.38
T Cytocapsella cornuta 12.10 37.32 0.38
T Cytocapsella tetrapera 12.10 38.82 0.38
T Dorcadospyris alata 13.60 40.32 0.38
RN6/5 11.95 41.37 0.05
T Calocycletta costata 15.00 41.70 0.13
T Carpocanopsis bramlettei 14.70 45.70 0.38
RN5/4 15.70 47.21 0.38
RN4/3 17.00 54.24 0.75
RN3/2 17.90 62.08 0.05
RN2/1 20.53 72.47 0.38
RN1/RP22 23.62 92.30 0.30
RP22/21 24.60 111.29 0.38
RP21/20 28.80 189.43 0.40
RP20/19 32.80 238.77 0.10
RP19/18 34.90 250.58 0.32
RP18/17 36.40 252.25 0.52
RP17/16 37.70 261.58 0.38
RP16/15 38.80 271.23 0.38

Note: This table is also available in ASCII. [N1]