Table T6. Planktonic foraminifer datum levels, Site 1218.
Marker species
Age
(Ma)
Core, section, interval (cm)
Depth (mbsf)
Depth (mcd)
Top
Bottom
Midpoint
±
Midpoint
±


199-1218A- 199-1218A-



T Catapsydrax dissimilis ciperoensis 17.3 [17.5] 6H-6, 94-96 6H-7, 39-41 54.87 0.23 61.71 0.23
T Paragloborotalia kugleri 21.5 [21.0] 8H-1, 110-112 8H-2, 110-114 67.05 0.75 75.01 0.75
B Globoquadrina dehiscens 23.2 8H-6, 60-62 8H-CC 73.72 0.42 81.68 0.42
B Paragloborotalia kugleri 23.8 [22.9] 10H-1, 130-132 10H-2, 74-75 85.97 0.47 97.87 0.47
B Paragloborotalia pseudokugleri [24.6] 12H-2, 118-122 12H-4, 59-64 107.09 1.21 121.56 1.21
T Paragloborotalia opima opima 27.1 14H-4, 31-33 14H-5, 32-35 127.77 0.76 143.19 0.76
B Globorotalia mayeri 16H-1, 117-122 16H-3, 118-122 143.88 1.51 161.72 1.51
B Globoquadrina tapuriensis 16H-CC 17H-1, 117-121 151.34 0.54 169.21 0.57
T Common Chiloguembelina cubensis 28.5 [27.0] 16H-7, 39-44 16H-CC 150.70 0.11 168.54 0.11
T Turborotalia ampliapertura 30.3 [29.3] 18H-4, 98-100 18H-5, 98-100 166.39 0.71 186.95 0.71
B Paragloborotalia opima opima 30.6 [29.6] 18H-6, 98-100 18H-CC 169.13 0.53 189.69 0.53


199-1218B- 199-1218B-



B Globoquadrina dehiscens 23.2 9H-4, 63-65 9H-5, 63-65 76.28 0.75 84.62 0.75

Notes: T = top or highest occurrence, B = bottom or first occurrence. Ages are those of Berggren et al. (1995); ages in square brackets are those of Shackleton et al. (1999). Several well defined datums without calibrations to the magnetostratigraphic time scale are also included. This table is also available in ASCII.