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Table T39. Site U1331 calcareous nannofossil datums.

Source Event Age*
(Ma)
Core, section, interval (cm) Depth
(mbsf [m CSF-A])
Depth (rmcd [adjusted
m revised CCSF-A])
Error (±)
(m)
Depth Site 1220
(rmcd)
Error
(±)
(m)
Top Bottom Top Bottom Top Bottom Mean Top Bottom Mean
      320-U1331A- 320-U1331A-                    
Ship B Sphenolithus distentus 30.00 2H-4, 70 2H-5, 70 10.40 11.90 11.90 13.40 12.65 0.75   55.22    
Ship T Reticulofenestra umbilicus 32.00 3H-5, 110 3H-6, 110 21.80 23.30 24.71 26.22 25.47 0.75 71.55 72.98 72.26 0.71
Ship T Coccolithus formosus 32.90 3H-6, 110 3H-CC 23.30 24.34 26.22 27.29 26.76 0.53 72.98 74.53 73.75 0.78
Ship T Discoaster saipanensis 34.40 4H-1, 110 4H-7, 10 25.30 33.30 28.56 36.56 32.56 4.00 76.35 86.81 81.58 5.23
Ship T Chiasmolithus grandis 37.10 6H-5, 70 6H-7, 9 49.90 51.79 57.06 59.08 58.07 1.01 103.26 104.53 103.89 0.63
Ship B Dictyococcites bisectus 38.00 6H-CC 7H-1, 30 52.60 53.00 59.87 62.81 61.34 1.47 105.04 106.95 106.00 0.96
Ship T Chiasmolithus solitus 40.40 7H-2, 30 8H-6, 50 54.50 70.20 64.31 80.97 72.64 8.33 107.93 117.76 112.84 4.92
Ship B Reticulofenestra umbilicus >14 µm 42.50 11H-4, 30 11H-5, 30 94.68 96.18 107.90 109.40 108.65 0.75 128.74 129.29 129.01 0.28
Ship T Nannotetrina fulgens 43.40 13H-2, 5 13H-5, 70 111.25 116.40 129.12 134.37 131.75 2.63 137.94 140.32 139.13 1.19
      320-U1331C- 320-U1331C-                    
Ship T Tribrachiatus orthostylus 50.70 17H-3, 100 17H-3, 109 188.00 188.09 210.75 210.84 210.80 0.05        

* = Expedition 320/321 Scientists (2010a). T = top, B = bottom.

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