Table T7. Stratigraphic positions of selected planktonic foraminiferal datums, Site 1263.
Datum
Top of sample interval
Base of sample interval
Average (mcd)
Age (Ma)
Hole, core, section, interval (cm)
Depth
Hole, core, section, interval (cm)
Depth
Youngest
Oldest
(mbsf)
(mcd)
(mbsf)
(mcd)




208-

208-


T Globigerinoides obliquus 1.30 1.30 1263A-1H-CC 2.29 2.29 1263A-2H-CC 11.66 12.07 7.18
T Globigerina apertura 1.68 1.68 1263A-1H-CC 2.29 2.29 1263A-3H-CC 11.66 12.07 7.18
B Globorotalia truncatulinoides 2.03 2.03 1263A-1H-CC 2.29 2.29 1263A-2H-CC 11.66 12.07 7.18
T Globoturborotalia woodi 2.30 2.30 1263A-1H-CC 2.29 2.29 1263A-2H-CC 11.66 12.07 7.18
T Sphaeroidinellopsis seminulina 3.18 3.18 1263A-2H-CC 11.66 12.07 1263A-3H-CC 21.17 23.29 17.68
B Globorotalia tosaensis 3.35 3.35 1263A-2H-CC 11.66 12.07 1263A-3H-CC 21.17 23.29 17.68
T Neogloboquadrina acostaensis 3.83 3.83 1263A-2H-CC 11.66 12.07 1263A-3H-CC 21.17 23.29 17.68
T Globorotalia plesiotumida 4.15 4.15 1263A-2H-CC 11.66 12.07 1263A-3H-CC 21.17 23.29 17.68
B Globorotalia crassaformis s.l. 4.31 4.31 1263A-3H-CC 21.17 23.29 1263A-4H-CC 30.85 34.68 28.99
B Sphaeroidinella dehiscens s.l. 4.94 4.94 1263A-3H-CC 21.17 23.29 1263A-4H-CC 30.85 34.68 28.99
T Subbotina angiporoides 29.67 29.67 1263B-1H-CC 55.40 62.71 1263A-7H-CC 59.61 68.72 65.72
T "Globigerina" ampliapertura 30.12 30.12 1263A-7H-CC 59.61 68.72 1263B-2H-CC 64.28 73.69 71.21
B Paragloborotalia opima 30.54 30.54 1263A-6H-CC 49.10 56.35 1263B-1H-CC 55.40 62.71 59.53
T Pseudohastigerina spp. 32.00 32.00 1263A-7H-CC 59.61 68.72 1263B-2H-CC 64.28 73.69 71.21
T Hantkenina spp. 33.70 33.70 1263A-10H-CC 88.18 99.97 1263B-5H-CC 93.44 108.13 104.05
T Turborotalia cerroazulensis 33.80 33.80 1263B-4H-CC 84.04 96.13 1263A-10H-CC 88.18 99.97 98.05
T Globigerinatheka index 34.30 34.30 1263A-10H-CC 88.18 99.97 1263B-5H-CC 93.44 108.13 104.05
T Globigerinatheka semiinvoluta 35.30 35.30 1263A-11H-CC 96.62 109.79 1263A-12H-CC 104.07 117.80 113.80
T Acarinina primitiva 39.00 39.00 1263B-6H-CC 103.09 118.73 1263B-7H-CC 112.69 129.67 124.20
T Morozovella aragonensis 43.60 43.60 1263B-11H-CC 150.76 172.54 1263A-17H-CC 154.00 177.02 174.78
T Morozovella formosa 50.80 50.80 1263A-25H-CC 220.24 256.09 1263B-21H-CC 224.35 260.27 258.18
B Morozovella aragonensis 52.76 52.76 1263B-22H-CC 233.74 272.07 1263A-27H-CC 241.35 281.38 276.73
T Morozovella aequa 52.89 52.89 1263A-27H-CC 241.35 281.38 1263B-23H-CC 243.32 283.79 282.59
B Morozovella formosa 54.00 54.00 1263A-30H-CC 270.58 316.29 1263A-31H-CC 271.60 318.00 317.15
T Subbotina triangularis 54.07 54.07 1263B-27X-CC 280.55 327.93 1263A-32H-CC 281.61 329.99 328.96
B Subbotina velascoensis 54.17 54.17 1263B-27X-CC 280.55 327.93 1263A-32H-CC 281.61 329.99 328.96
T Morozovella velascoensis 54.31 54.31 1263A-31H-CC 271.60 318.00 1263A-32H-CC 281.61 329.99 324.00
B Igorina broedermanni 54.70 54.70 1263B-28X-CC 284.26 335.09 1263A-33H-CC 284.15 335.15 335.12
T Stensioeina beccariiformis* 55.00 55.00 1263A-34X-1, 27–28 284.37 335.61 1263A-34X-1, 37–38 284.47 335.71 335.66
B Globanomalina australiformis 55.50 55.50 1263A-32H-CC 281.61 329.99 1263B-28X-CC 284.26 335.09 332.54
T Globanomalina pseudomenardii 55.90 55.90 1263A-35X-CC 296.61 348.97 1263B-29X-CC 300.17 352.73 350.85
B Morozovella subbotinae 55.90 55.90 1263B-30X-CC 301.78 356.08 1263A-37X-CC 312.15 367.53 361.81
T Acarinina mckannai 56.30 56.30 1263A-35X-CC 296.61 348.97 1263B-29X-CC 300.17 352.73 350.85
B Morozovella aequa 56.50 56.50 1263B-30X-CC 301.78 356.08 1263A-37X-CC 312.15 367.53 361.81
B Acarinina soldadoensis 56.50 56.50 1263B-31X-CC 315.03 371.06 1263A-38X-CC 323.45 380.56 375.81

Notes: T = top, B = bottom. * = benthic foraminiferal datum level.