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Table T25. Magnetostratigraphic and biostratigraphic datums, Site U1337. (See table notes.)

Event Age
(Ma)		 Depth (m) Error
(m)
CCSF-A CCSF-B
Polarity chron
C1n/C1r 0.78 10.65 9.51  
C1r.1r/C1r.1n 0.99 14.19 12.67  
C1r.1n/C1r 1.07 15.11 13.49  
C1r/C2n 1.78 27.20 24.29  
C2n/C2r 1.95 28.69 25.61  
C2r/C2An.1n 2.58 36.48 32.57  
C2An.1n/C2An.1r 3.03 44.87 40.06  
C2An.1r/C2An.2n 3.12 46.30 41.34  
C2An.2n/C2An.2r 3.21 47.99 42.85  
C2An.2r/C2An.3 3.33 49.75 44.42  
C2An.3/C2Ar 3.60 55.57 49.61  
C2Ar/C3n.1n 4.19 70.15 62.63  
C3n.1r/C3n.2n 4.49 78.32 69.92  
C3n.2n/C3n.2r 4.63 81.26 72.55  
C3n.2r/C3n.3n 4.80 85.46 76.30  
C3n.3n/C3n.3r 4.90 87.16 77.82  
C3n.3r/C3n.4n 5.00 89.63 80.02  
C3n.4n/C3r 5.24 94.49 84.37  
C3r/C3An.1n 6.03 112.42 100.37  
C3An.1n/C3An.1r 6.25 118.81 106.08  
C3An.1r/C3An.2n 6.44 121.80 108.75  
C3An.2n/C3Ar 6.73 129.81 115.90  
C3Br/C4n 7.53 149.85 133.79  
C4n/C4r 8.11 164.90 147.23  
C4r/C4An 8.77 175.03 156.28  
C4Ar/C5n 9.78 193.97 173.18  
Nannofossils
T Pseudoemiliania lacunosa 0.44 5.81 5.19 0.67
Bc Reticulofenestra asanoi 1.14 16.11 14.38 2.03
T Gephyrocapsa (>5.5 µm) 1.26 16.11 14.38 2.03
T Calcidiscus macintyrei 1.61 23.69 21.15 0.74
T Discoaster brouweri 1.93 27.91 24.92 1.33
T Discoaster pentaradiatus 2.39 36.77 32.83 1.50
T Discoaster surculus 2.49 38.49 34.37 0.22
T Reticulofenestra pseudoumbilicus 3.70 58.46 52.19 2.21
T Ceratolithus acutus 5.04 89.96 80.32 0.70
B Ceratolithus acutus 5.35 94.60 84.46 1.04
T Discoaster quinqueramus 5.58 103.66 92.55 2.66
T Nicklithus amplificus 5.98 113.34 101.20 0.85
B Nicklithus amplificus 6.91 129.45 115.58 0.47
TP Reticulofenestra pseudoumbilicus 7.07 190.54 170.13 0.13
B Amaurolithus spp. 7.36 147.30 131.51 0.34
B Discoaster berggrenii 8.29 167.13 149.22 1.58
BP Reticulofenestra pseudoumbilicus 9.10 174.72 156.00 0.78
T Discoaster hamatus 9.69 192.99 172.31 0.70
B Discoaster hamatus 10.55 219.06 195.59 4.33
T Coccolithus miopelagicus 10.60 219.06 195.59 4.33
B Catinaster coalitus 10.89 224.92 200.82 0.75
Tc Discoaster kugleri 11.58 242.43 216.45 2.64
Bc Discoaster kugleri 11.86 255.30 227.95 0.75
T Cyclicargolithus floridanus 12.03 258.30 230.63 0.75
T Coronocyclus nitescens 12.12 258.30 230.63 0.75
T Calcidiscus premacintyrei 12.45 259.80 231.96 0.75
Tc Cyclicargolithus floridanus 13.33 313.33 279.76 0.95
T Sphenolithus heteromorphus 13.53 316.81 282.87 0.75
T Helicosphaera ampliaperta 14.91 349.49 312.04 0.75
Tc Discoaster deflandrei 15.66 357.87 319.53 1.50
Bc Sphenolithus heteromorphus 17.71 390.49 348.65 2.43
Tc Sphenolithus belemnos 17.95 393.43 351.28 0.80
T Triquetrorhabdulus carinatus 18.29 390.49 348.65 2.43
B Sphenolithus belemnos 19.03 412.32 368.14 1.54
X Helicosphaera euphratis/Helicosphaera carteri 20.90   0.00 2.70
Tc Triquetrorhabdulus carinatus 22.10   0.00 0.77
Lowermost observed Discoaster druggii ≤22.41   0.00  
T Sphenolithus delphix 23.10   0.00 0.53
B Sphenolithus delphix 23.20   0.00 0.20
Radiolarians
T Stylatractus universus 0.44 2.61 2.33 7.63
B Collosphaera tuberosa 0.59 2.61 2.33 7.63
T Anthocyrtidium angulare 1.21 2.61 2.33 7.63
T Theocorythium vetulum 1.33 16.18 14.45 4.71
B Theocorythium trachelium 1.76 25.68 22.93 4.74
B Anthocyrtidium angulare 1.97 25.68 22.93 4.74
T Pterocanium prismatium 2.08 25.68 22.93 4.74
T Didymocyrtis avita 2.60 37.80 33.75 4.65
T Stichocorys pergrina 2.90 37.80 33.75 4.65
T Phormostichoartus doliolum 3.96 60.44 53.96 4.68
B Amphirhopalum ypsilon 4.03 70.38 62.84 4.32
T Didymocyrtis penultima 4.26 81.15 72.46 5.17
T Solenosphaera omnitubus 5.32 102.64 91.64 4.71
T Spongaster berminghami 5.33 102.64 91.64 4.71
B Didymocyrtis avita 6.15 112.82 100.73 4.68
T Didymocyrtis antepenultima 6.17 123.19 109.99 4.70
B Didymocyrtis tetrathalamus 6.60 134.84 120.39 4.74
T Calocycletta caepa 6.60 134.84 120.39 4.74
S. delmontensis > S. pergrina 7.75 134.84 120.39 4.74
B Theocorythium vetulum 7.98 145.94 130.30 4.69
B Solenosphaera omnitubus 8.25 145.94 130.30 4.69
T Diartus hughesi 8.39 155.92 139.21 4.82
T Didymocyrtis laticonus 8.43 155.92 139.21 4.82
B Didymocyrtis penultima 8.51 167.14 149.23 4.71
T Botryostrobus miralestensis 8.59 178.47 159.35 4.73
D. pettersoni > D. hughesi 8.76 188.87 168.63 4.72
B Didymocyrtis antepenultima 10.01 199.05 177.72 4.66
T Cyrtocapsera japonica 10.31 225.45 201.29 7.89
T Carpocanopsis cristata 10.88 225.45 201.29 7.89
T Cyrtocapsera cornuta 11.88 258.77 231.04 4.75
T Cyrtocapsera tetrapera 11.91 258.77 231.04 4.75
B Diartus pettersoni 12.11 270.53 241.54 6.43
T Calocycletta robusta 13.35 304.95 272.28 4.82
T Acrocubus octopyle 13.88 314.37 280.68 4.46
T Liriospyris parkerae 13.89 314.37 280.68 4.46
T Didymocyrtis violina 14.20 343.57 306.76 4.53
T Calocycletta virginis 14.23 343.57 306.76 4.53
T Calocycletta costata 14.23 343.57 306.76 4.53
T Dorcadospyris dentata 14.76 343.57 306.76 4.53
T Liriospyris stauropora 14.78–14.83 343.57 306.76 4.53
B Liriospyris parkerae 14.79–15.03 343.57 306.76 4.53
T Didymocyrtis prismatica 15.17 343.57 306.76 4.53
B Calocycletta costata 17.49 390.31 348.49 7.07
B Dorcadospyris dentata 17.72 390.31 348.49 7.07
T Dorcadospyris scambos 18.53 414.52 370.11 4.77
B Stichocorys wolffii 18.57 414.52 370.11 4.77
B Stichocorys delmontensis 20.68 455.33 406.54 4.80
T Lophocyrtis pegetrum 20.89 471.28 420.78 4.63
T Theocyrtis anossa 21.38 471.28 420.78 4.63
Foraminifers
T Globorotalia (Truncorotalia) tosaensis 0.61 7.29 6.51 1.14
T Globigerinoides fistulosus 1.77 25.51 22.77 1.07
T Globorotalia pseudomiocenica 2.30 32.87 29.34 1.06
T Globorotalia (Menardella) multicamerata 2.98 32.87 29.34 1.06
T Dentoglobigerina altispira 3.47 48.53 43.33 3.56
T Sphaeroidinellopsis seminulina 3.59 48.53 43.33 3.56
X Pulleniatina spp. sinistral → dextral 4.08 66.75 59.60 1.14
T Globoturborotalita nepenthes 4.37 88.81 79.29 1.77
B Sphaeroidinella dehiscens s.l. 5.54 86.67 77.38 –0.09
B Globorotalia tumida 5.57 102.05 91.11 2.74
B Globorotalia plesiotumida 8.58 154.01 137.51 1.47
B Globoturborotalita nepenthes 11.63 252.71 225.63 1.56
T Globorotalia (Fohsella) fohsi s.l. 11.79 262.01 233.94 1.51
B Globorotalia (Fohsella) fohsi s.l. 13.41 284.28 253.82 4.14
B Globorotalia (Fohsella) praefohsi 13.77 317.87 283.81 1.52
T Clavatorella bermudezi 13.82 321.36 286.93 1.97
B Globorotalia (Fohsella) peripheroacuta 14.24 337.58 301.41 1.51
B Orbulina spp. 14.74 344.73 307.79 1.82
B Clavatorella bermudezi 14.89 344.73 307.79 1.82
B Praeorbulina glomerosa 16.27 352.15 314.42 0.45
T Catapsydrax dissimilis 17.54 404.11 360.81 0.98
T Globoquadrina binaiaensis 19.09 430.48 384.36 4.04
T Paragloborotalia kugleri 21.12 457.92 408.85 2.22
T Paragloborotalia pseudokugleri 21.31 448.61 400.54 1.06
B Globoquadrina dehiscens 22.44 457.92 408.85 2.22
T Globigerina ciperoensis 22.90 485.80 433.75 2.16
B Paragloborotalia kugleri 23 492.19 439.46 1.63

Notes: B = bottom, Bc = bottom common occurrence, BP = bottom paracme, T = top, Tc = Top common occurrence, TP = top paracme, X = abundance crossover.

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