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Table T3. Calcareous nannofossil datums, Site U1407.

Hole, core, section, interval (cm) Age Zone/
Subzone
Marker species Age
(Ma)
Depth (mbsf)
Top Bottom Top Bottom Mid-point ±
342- 342-
    Pleistocene              
U1407A-1H-1, 37 U1407A-1H-1, 37   NN21 Ba Emiliania huxleyi 0.70 0.37 0.37 0.37 0.00
U1407A-1H-1, 37 U1407A-1H-4, 20   NN20 T Pseudoemiliania lacunosa 0.44 0.37 4.70 2.54 2.17
    Oligocene              
U1407A-2H-6, 110 U1407A-2H-CC   NP23 T Reticulofenestra umbilicus (>14 µm) 32.02 14.28 15.95 15.12 0.84
U1407A-2H-CC U1407A-3H-1, 110     T Isthmolithus recurvus 32.49 15.95 17.41 16.68 0.73
U1407A-2H-CC U1407A-3H-1, 110   NP22 T Coccolithus formosus 32.92 15.95 17.41 16.68 0.73
    Eocene              
U1407A-2H-CC U1407A-3H-1, 110   NP21 T Discoaster saipanensis 34.44 15.95 17.41 16.68 0.73
U1407A-3H-1, 110 U1407A-3H-2, 110     T Discoaster barbadiensis 34.76 17.41 18.91 18.16 0.75
U1407A-3H-1, 110 U1407A-3H-2, 110   NP19/NP20 B Isthmolithus recurvus 36.97 17.41 18.91 18.16 0.75
U1407A-3H-1, 110 U1407A-3H-2, 110   NP18 Bc Chiasmolithus oamaruensis 38.09 17.41 18.91 18.16 0.75
U1407A-3H-1, 110 U1407A-3H-2, 110   NP17 T Chiasmolithus solitus 40.40 17.41 18.91 18.16 0.75
U1407A-3H-1, 110 U1407A-3H-2, 110     B Reticulofenestra umbilicus (>14 µm) 41.94 17.41 18.91 18.16 0.75
U1407A-3H-1, 110 U1407A-3H-2, 110     T Nannotetrina fulgens 42.87 17.41 18.91 18.16 0.75
U1407A-3H-1, 110 U1407A-3H-2, 110   NP15c T Chiasmolithus gigas 44.12 17.41 18.91 18.16 0.75
U1407A-5H-4, 110 U1407A-5H-6, 96   NP15b B Chiasmolithus gigas 45.49 40.91 43.77 42.34 1.43
U1407A-7H-6, 110 U1407A-7H-CC   NP15a B Nannotetrina fulgens 46.29 62.91 64.16 63.54 0.63
U1407A-9H-CC U1407A-10H-2, 100     B Nannotetrina cristata 47.73 83.16 85.31 84.24 1.08
U1407A-9H-6, 57 U1407A-9H-CC     T Discoaster lodoensis 47.41 81.37 83.16 82.27 0.89
U1407A-9H-CC U1407A-10H-2, 100     B Blackites inflatus 47.84 83.16 85.31 84.24 1.08
U1407A-10H-6,100 U1407A-10H-CC   NP14 B Discoaster sublodoensis 49.11 91.31 92.32 91.82 0.50
U1407A-11H-CC U1407A-12H-1, 15     B Dictyococcites/Reticulofenestra* 49.47 101.75 101.95 101.85 0.10
U1407A-11H-CC U1407A-12H-1, 15   NP13 T Tribrachiatus orthostylus* 49.47 101.75 101.95 101.85 0.10
U1407A-11H-CC U1407A-12H-1, 15     T Toweius spp.* 50.78 101.75 101.95 101.85 0.10
U1407A-11H-CC U1407A-12H-1, 15     B Coccolithus crassus* 51.64 101.75 101.95 101.85 0.10
U1407A-14H-CC U1407A-15H-CC   NP12 B Discoaster lodoensis 53.70 112.31 121.82 121.90 0.08
U1407A-15H-CC U1407A-16X-1, 8   NP11 T Tribrachiatus contortus 54.17 121.82 121.98 121.90 0.08
U1407A-15H-CC U1407A-16X-1, 8     B Sphenolithus radians 54.17 121.82 121.98 121.90 0.08
U1407A-15H-CC U1407A-16X-1, 8     B Tribrachiatus orthostylus 54.37 121.82 121.98 121.90 0.08
U1407A-15H-CC U1407A-16X-1, 8     B Discoaster diastypus 54.95 121.82 121.98 121.90 0.08
U1407A-15H-CC U1407A-16X-1, 8     T Fasciculithus spp. 55.64 121.82 121.98 121.90 0.08
    Paleocene              
U1407A-15H-CC U1407A-16X-1, 8     Fasciculithus diversity decline 56.00 121.82 121.98 121.90 0.08
U1407A-15H-CC U1407A-16X-1, 8     T Fasciculithus alanii 56.00 121.82 121.98 121.90 0.08
U1407A-16X-CC U1407A-17X-CC     T Ericsonia robusta (>9 µm) 57.10 124.61 127.57 126.09 1.48
U1407A-17X-CC U1407A-18X-1, 88   NP9 B Discoaster multiradiatus 57.21 127.57 136.78 132.18 4.61
U1407A-18X-1, 88 U1407A-18X-2, 113     B Discoaster delicatus 57.45 136.78 138.53 137.66 0.88
U1407A-18X-2, 113 U1407A-18X-CC     B Ericsonia robusta (>9 µm) 57.54 138.53 142.90 140.72 2.19
U1407A-18X-1, 88 U1407A-18X-2, 113     Tc Discoaster backmanii 57.57 136.78 138.53 137.66 0.88
U1407A-18X-CC U1407A-19X-2, 32     B Discoaster backmanii 58.28 142.90 147.45 145.18 2.27
U1407A-19X-2, 32 U1407A-19X-CC   NP7 B Discoaster mohleri 58.97 147.45 149.25 148.35 0.90
U1407A-20X-2, 100 U1407A-20X-4, 85     B Sphenolithus anarrhopus 59.40 157.60 160.45 159.03 1.42
U1407A-20X-1, 63 U1407A-20X-2, 100   NP6 B Heliolithus kleinpellii 59.54 155.73 157.60 156.67 0.94
U1407A-20X-2, 100 U1407A-20X-4, 85     B Heliolithus cantabriae 59.60 157.60 160.45 159.03 1.42
U1407A-21X-4, 92 U1407A-21X-CC   NP5 B Fasciculithus tympaniformis 61.51 170.12 172.24 171.18 1.06
U1407A-21X-CC U1407A-22X-4, 82   NP4 B Ellipsolithus macellus 63.25 172.24 179.62 175.93 3.69
U1407A-23X-2, 125 U1407A-23X-2, 135     B Cruciplacolithus intermedius 65.47 186.65 186.75 186.70 0.05
U1407A-23X-2, 125 U1407A-23X-2, 135     T Micula murus, other Cretaceous
nannofossils
66.04 186.65 186.75 186.70 0.05
    Cretaceous              
U1407A-23X-3, 74 U1407A-23X-6, 97   UC20cT B Ceratolithoides kamptneri 67.84 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97   UC20bB B Nephrolithus frequens 67.84 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97   UC20bT B Micula murus 69.00 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97     B Cribrocorona gallica 69.00 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97   UC20 B Lithraphidites quadratus 69.18 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97   UC19 T Reinhardtites levis 70.14 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97   UC18 T Tranolithus orionatus 71.01 187.64 192.37 190.01 2.37
U1407A-22X-CC U1407A-22X-CC   UC18T T Uniplanarius trifidus 71.31 182.27 182.27 182.27 0.00
U1407A-23X-3, 74 U1407A-23X-6, 97   UC17 T Broinsonia parca constricta 72.02 187.64 192.37 190.01 2.37
    Campanian/Maastrichtian boundary 72.05        
U1407A-23X-3, 74 U1407A-23X-6, 97     T Broinsonia parca constricta 72.02 187.64 192.37 190.01 2.37
U1407A-24X-1, base U1407A-24X-2, 95     T Reinhardtites anthophorus 74.51 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97     B Reinhardtites levis 74.84 187.64 192.37 190.01 2.37
U1407A-23X-3, 74 U1407A-23X-6, 97     T Eiffellithus eximius 75.93 187.64 192.37 190.01 2.37
U1407A-23X-6, 97 U1407A-23X-CC     T Lithastrinus grillii 79.73 192.37 193.13 192.75 0.38
U1407A-24X-2, 95 U1407A-24X-4, 75     B Broinsonia parca constricta 81.38 195.95 198.75 197.35 1.40
U1407A-25X-2, 47 U1407A-25X-CC     B Lithastrinus grillii 86.50 204.82 206.61 205.72 0.90
U1407A-25X-2, 47 U1407A-25X-CC     T Lithastrinus septenarius 85.56 204.82 206.61 205.72 0.90
U1407A-25X-CC U1407A-27X-1, 150     B Micula stauropora 89.77 206.61 223.80 215.21 8.60
U1407A-27X-1, 150 U1407A-27X-4, 150     B Lithastrinus septenarius s.l. 91.78 223.80 228.30 226.05 2.25
U1407A-27X-1, 150 U1407A-27X-4, 150     B Eiffellithus eximius 92.99 223.80 228.30 226.05 2.25
U1407A-27X-1, 150 U1407A-27X-4, 150     B Quadrum gartneri 93.55 223.80 228.30 226.05 2.25
U1407A-27X-1, 150 U1407A-27X-4, 150     B Eprolithus moratus 93.73 223.80 228.30 226.05 2.25
U1407A-28X-1, 47 U1407A-28X-1, 150     T Helenea chiastia 93.90 232.37 233.40 232.89 0.52
U1407A-28X-1, 47 U1407A-28X-1, 150     T Corollithion kennedyi 94.64 232.37 233.40 232.89 0.52
U1407A-29X-2, 85 U1407A-29X-4, 85     B Lithraphidites acutus 96.16 243.85 246.85 245.35 1.50
U1407A-29X-CC U1407A-30X-CC     B Corollithion kennedyi 100.45 250.26 259.35 254.80 4.55
U1407A-30X-CC U1407A-31X-CC     T Hayesites 100.84 259.35 268.60 263.97 4.63
U1407A-31X-CC U1407A-32X-CC     B Eiffellithus turriseiffelii 103.13 268.60 269.60 269.10 0.50

* = from Agnini et al. (2006) recalibrated to GTS2012. † = from Agnini et al. (2007) recalibrated to GTS2012. B = base, Bc = Base common, T = top, Tc = Top common.

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