Table T10. Age-depth control points, Hole 1237B.
Datum
Source
Age
(Ma)
Top sample
(FO presence/LO absence)
Bottom sample
(LO presence/FO absence)
Age
(Ma)
Depth
Minimum
Maximum
Core, section, interval (cm)
Depth (mbsf)
Core, section, interval (cm)
Depth (mbsf)
Average
Uncertainty (±)
Average (mbsf)
Average (mcd)
Uncertainty (±m)




202-1237B-
202-1237B-





FO Emiliania huxleyi CN 0.26 0.26 1H-4, 75 5.26 1H-CC, 9 5.51 0.26 0.00 5.39 5.39 0.13
FO Globorotalia hirsuta PF 0.45 0.45 1H-CC, 9 5.51 2H-CC, 24 15.47 0.45 0.00 10.49 10.07 4.98
LO Pseudoemiliania lacunosa CN 0.46 0.46 2H-5, 75 12.28 2H-7, 40 14.94 0.46 0.00 13.61 12.76 1.33
LO Nitzschia reinholdii D 0.62 0.62 2H-CC, 24 15.47 3H-5, 75 21.79 0.62 0.00 18.63 18.76 3.16
LO Globorotalia tosaensis PF 0.65 0.65 1H-CC, 9 5.51 2H-CC, 24 15.47 0.65 0.00 10.49 10.07 4.98
LO Nitzschia fossilis D 0.70 0.70 2H-CC, 24 15.47 3H-CC, 19 25.00 0.70 0.00 20.24 20.36 4.77
LO Reticulofenestra asanoi CN 0.88 0.88 3H-4, 60 20.13 3H-5, 60 21.64 0.88 0.00 20.89 21.99 0.75
LO Rhizosolenia matuyamai D 1.05 1.05 3H-3, 75 18.77 3H-5, 75 21.79 1.05 0.00 20.28 21.38 1.51
FO Reticulofenestra asanoi CN 1.08 1.08 3H-CC, 19 25.00 4H-1, 75 25.25 1.08 0.00 25.13 27.83 0.13
FO Rhizosolenia matuyamai D 1.18 1.18 3H-CC, 19 25.00 4H-1, 40 24.90 1.18 0.00 24.95 27.65 -0.05
LO Gephyrocapsa (large) CN 1.24 1.24 4H-1, 75 25.25 4H-2, 75 26.76 1.24 0.00 26.01 30.31 0.76
FO Gephyrocapsa (large) CN 1.45 1.45 4H-2, 75 26.76 4H-3, 75 28.27 1.45 0.00 27.52 31.82 0.75
LO Calcidiscus macintyrei CN 1.59 1.59 4H-3, 75 28.27 4H-6, 75 32.81 1.59 0.00 30.54 34.84 2.27
LO Globigerinoides extremus PF 1.77 1.77 2H-CC, 24 15.47 3H-CC, 19 25.00 1.77 0.00 20.24 20.36 4.77
LO Discoaster brouweri CN 1.96 1.96 4H-CC, 20 34.55 5H-1, 75 34.75 1.96 0.00 34.65 38.44 0.10
FO Fragilariopsis doliolus D 2.00 2.00 4H-3, 40 27.92 4H-6, 40 32.46 2.00 0.00 30.19 34.49 2.27
LO Globorotalia puncticulata PF 2.41 2.41 3H-CC, 19 25.00 4H-CC, 20 34.55 2.41 0.00 29.78 32.48 4.78
LO Thalassiosira convexa s.l. D 2.41 2.41 4H-6, 40 32.46 4H-CC, 20 34.55 2.41 0.00 33.51 37.81 1.04
LO Discoaster pentaradiatus CN 2.44 2.44 5H-6, 75 42.30 5H-CC, 22 44.02 2.44 0.00 43.16 46.43 0.86
LO Discoaster surculus CN 2.61 2.61 5H-6, 75 42.30 5H-CC, 22 44.02 2.61 0.00 43.16 46.43 0.86
LO Discoaster tamalis CN 2.76 2.76 6H-1, 75 44.25 6H-2, 75 45.76 2.76 0.00 45.01 50.73 0.75
LO Nitzschia jouseae D 2.77 2.77 6H-1, 75 44.25 6H-2, 22 45.23 2.77 0.00 44.74 50.46 0.49
LO Dentoglobigerina altispira PF 3.09 3.09 5H-CC, 22 44.02 6H-CC, 30 53.51 3.09 0.00 48.77 53.26 4.75
LO Sphaeroidinellopsis seminula PF 3.12 3.12 6H-CC, 30 53.51 7H-CC, 19 62.80 3.12 0.00 58.16 63.80 4.65
FO Rhizosolenia praebergonii s.l. D 3.17 3.17 7H-1, 110 54.10 7H-3, 73 56.74 3.17 0.00 55.42 60.99 1.32
FO Sphaeroidinella dehiscens PF 3.25 3.25 6H-CC, 30 53.51 7H-CC, 19 62.80 3.25 0.00 58.16 63.80 4.65
LO Globorotalia plesiotumida PF 3.77 3.77 7H-CC, 19 62.80 8H-CC, 39 72.66 3.77 0.00 67.73 73.38 4.93
LO Reticulofenestra pseudoumbilicus CN 3.80 3.80 8H-1, 75 63.25 8H-2, 78 64.79 3.80 0.00 64.02 69.74 0.77
FO Pseudoemiliania lacunosa CN 4.00 4.00 9H-3, 78 75.78 9H-4, 75 77.27 4.00 0.00 76.53 83.91 0.75
LO Globoturborotalia nepenthes PF 4.20 4.20 8H-CC, 39 72.66 9H-CC, 20 81.86 4.20 0.00 77.26 83.81 4.60
LO Sphaeroidinellopsis kochi PF 4.53 4.53 8H-CC, 39 72.66 9H-CC, 20 81.86 4.53 0.00 77.26 83.81 4.60
LO Nitzschia cylindrica D 4.88 4.88 8H-CC, 39 72.66 9H-6, 30 79.83 4.88 0.00 76.25 82.79 3.59
FO Nitzschia jouseae D 5.12 5.12 9H-CC, 20 81.86 10H-CC, 10 91.29 5.12 0.00 86.58 94.87 4.72
LO Discoaster quinqueramus CN 5.56 5.56 11H-4, 75 96.28 11H-5, 75 97.79 5.56 0.00 97.04 106.71 0.75
FO Thalassiosira oestrupii D 5.64 5.64 11H-CC, 25 101.10 12H-1, 22 100.72 5.64 0.00 100.91 111.13 -0.19
FO Globorotalia tumida PF 5.82 5.82 10H-CC, 10 91.29 11H-CC, 25 101.10 5.82 0.00 96.20 105.64 4.90
LO Nitzschia miocenica s.s. D 6.08 6.08 12H-4, 38 105.40 13H-CC, 1 119.75 6.08 0.00 112.58 123.49 7.18
FO Globorotalia margaritae PF 6.09 6.09 11H-CC, 25 101.10 12H-CC, 18 109.81 6.09 0.00 105.46 115.68 4.36
FO Globigerinoides conglobarus PF 6.20 6.20 12H-CC, 18 109.81 13H-CC, 1 119.75 6.20 0.00 114.78 125.69 4.97
FO Pulletianita primalis PF 6.40 6.40 12H-CC, 18 109.81 13H-CC, 1 119.75 6.40 0.00 114.78 125.69 4.97
FO Thalassiosira convexa v. aspinosa D 6.57 6.57 13H-CC, 1 119.75 14H-3, 34 122.86 6.57 0.00 121.31 132.71 1.56
LO Absence interval Reticulofenestra pseudoumbilicus >7 µm CN 6.80 6.80 14H-CC, 26 129.40 15H-1, 75 129.75 6.80 0.00 129.58 141.73 0.17
FO Globorotalia conomiozea PF 7.12 7.12 13H-CC, 1 119.75 14H-CC, 26 129.40 7.12 0.00 124.58 135.98 4.83
FO Amaurolithus primus CN 7.24 7.24 15H-3, 75 132.77 15H-5, 75 135.79 7.24 0.00 134.28 146.83 1.51
FO Nitzschia miocenica s.l. D 7.30 7.30 13H-CC, 1 119.75 14H-3, 34 122.86 7.30 0.00 121.31 132.71 1.56
FO Nitzschia reinholdii D 7.64 7.64 14H-CC, 26 129.40 15H-CC, 1 138.66 7.64 0.00 134.03 146.18 4.63
FO Globorotalia plesiotumida PF 8.58 8.58 15H-CC, 1 138.66 16H-CC, 12 148.21 8.58 0.00 143.44 156.06 4.78
FO absence interval Reticulofenestra pseudoumbilicus >7µm CN 8.85 8.85 17H-1, 75 148.75 17H-1, 86 148.86 8.85 0.00 148.81 163.61 0.06
LO Discoaster hamatus CN 9.40 9.40 17H-5, 75 154.78 17H-6, 75 156.28 9.40 0.00 155.53 170.33 0.75
FO Neogloboquadrina acostaensis PF 9.82 9.82 17H-1, 98 148.98 17H-CC, 21 158.00 9.82 0.00 153.49 168.29 4.51
LO Coccolithus miopelagicus CN 10.40 10.40 18H-4, 75 162.43 18H-5, 75 163.94 10.40 0.00 163.19 178.92 0.75
FO Globoturborotalia nepenthes PF 11.19 11.19 18H-CC, 1 166.89 19H-CC, 13 176.81 11.19 0.00 171.85 188.39 4.96
LO Coronocyclus nitescens CN 12.43 12.43 19H-3, 75 170.78 19H-4, 75 172.29 12.43 0.00 171.54 188.89 0.75
LO Cyclicargolithus floridanus CN 11.6 13.19 19H-5, 75 173.80 19H-6, 75 175.30 12.40 0.80 174.55 191.90 0.75
LO Globorotalia fohsi s.l. PF 11.68 11.68 18H-CC, 1 166.89 19H-CC, 13 176.81 11.68 0.00 171.85 188.39 4.96
LO Calcidiscus premacintyrei CN 12.4 12.4 19H-6, 75 175.30 19H-7, 40 176.46 12.40 0.00 175.88 193.23 0.58
FO Globorotalia fohsi s.l. PF 13.42 13.42 19H-CC, 13 176.81 20H-CC, 24 186.41 13.42 0.00 181.61 199.36 4.80
LO Sphenolithus heteromorphus CN 13.57 13.57 20H-7, 40 185.95 20H-CC, 24 186.41 13.57 0.00 186.18 204.33 0.23
LO Globorotalia archeomenardii PF 14.2 14.2 19H-CC, 13 176.81 20H-CC, 24 186.41 14.20 0.00 181.61 199.36 4.80
LO Globorotalia peripheroronda PF 14.6 14.6 20H-CC, 24 186.41 21H-CC, 14 195.79 14.60 0.00 191.10 209.78 4.69
FO Globorotalia peripheroacuta PF 14.80 14.80 21H-CC, 14 195.79 22H-CC, 1 205.44 14.80 0.00 200.62 220.39 4.83
FO Globorotalia praemenardii PF 14.9 14.9 21H-CC, 14 195.79 22H-CC, 1 205.44 14.90 0.00 200.62 220.39 4.83
LO Globorotalia miozea PF 15.9 15.9 21H-CC, 14 195.79 22H-CC, 1 205.44 15.90 0.00 200.62 220.39 4.83
FO Globigerinoides diminitus PF 16.1 16.1 22H-CC, 1 205.44 23H-CC, 16 214.67 16.10 0.00 210.06 231.31 4.62
FO Globorotalia birnageae PF 16.7 16.7 23H-CC, 16 214.67 24H-CC, 10 224.17 16.70 0.00 219.42 242.17 4.75
LO Globorotalia semivera PF 17.30 17.30 23H-CC, 16 214.67 24H-CC, 10 224.17 17.30 0.00 219.42 242.17 4.75
LO Catapsydrax dissimilis PF 17.30 17.30 23H-CC, 16 214.67 24H-CC, 10 224.17 17.30 0.00 219.42 242.17 4.75
FO Calcidiscus premacintyrei CN 17.40 17.40 23H-3, 75 208.77 23H-4, 75 210.28 17.40 0.00 209.53 231.68 0.75
FO Sphenolithus heteromorphus CN 18.20 18.20 23H-CC, 16 214.67 24H-1, 75 215.25 18.20 0.00 214.96 237.71 0.29
LO Sphenolithus belemnos CN 18.50 18.50 23H-CC, 16 214.67 24H-1, 75 215.25 18.50 0.00 214.96 237.71 0.29
LO Globoquadrina binaiensis PF 19.10 19.10 24H-CC, 10 224.17 25H-CC, 10 233.68 19.10 0.00 228.93 253.50 4.76
FO Sphenolithus belemnos CN 19.20 19.20 24H-6, 75 222.81 24H-7, 40 223.96 19.20 0.00 223.39 246.74 0.57
LO Paragloborotalia kugleri PF 21.50 21.50 25H-CC, 10 233.68 26H-CC, 9 243.48 21.50 0.00 238.58 264.31 4.90
LO Globoturborotalia angulisuturalis PF 21.60 21.60 25H-CC, 10 233.68 26H-CC, 9 243.48 21.60 0.00 238.58 264.31 4.90
FO Globoquadrina binaiensis PF 22.10 22.10 27H-CC, 14 252.80 28H-CC, 16 262.48 22.10 0.00 257.64 286.40 4.84
FO Globoquadrina dehiscens PF 23.20 23.20 27H-CC, 14 252.80 28H-CC, 16 262.48 23.20 0.00 257.64 286.40 4.84
FO Globigerinoides trilobus PF 23.40 23.40 28H-CC, 16 262.48 29H-CC, 15 271.95 23.40 0.00 267.22 297.55 4.74
LO Reticulofenestra bisecta CN 23.90 23.90 29H-4, 75 267.27 29H-5, 75 268.78 23.90 0.00 268.03 299.64 0.75
FO Globigerinoides primordius common PF 24.30 24.30 29H-CC, 15 271.95 30H-CC, 0 281.24 24.30 0.00 276.60 309.21 4.65
LO Zygrhabdolithus bijugatus CN 24.50 24.50 29H-5, 75 268.78 29H-5, 75 268.78 24.50 0.00 268.78 300.39 0.00
LO Sphenolithus ciperoensis CN 24.75 24.75 29H-5, 75 268.78 29H-5, 75 268.78 24.75 0.00 268.78 300.39 0.00
FO Globigerinoides primordius PF 26.70 26.70 30H-CC, 0 281.24 31H-CC, 16 291.07 26.70 0.00 286.16 320.67 4.91
LO Sphenolithus distentus CN 27.5 27.5 31H-7, 40 290.47 31H-CC, 16 291.07 27.50 0.00 290.77 326.18 0.30
LO Sphenolithus predistentus CN 27.5 27.5 31H-CC, 16 291.07 32H-1, 75 291.25 27.50 0.00 291.16 327.77 0.09
LO Sphenolithus pseudoradians CN 29.1 29.1 33H-5, 75 306.78 33H-6, 75 308.29 29.10 0.00 307.54 347.40 0.75
FO Globoturborotalia angulisuturalis PF 29.40 29.40 31H-CC, 16 291.07 32H-CC, 25 300.54 29.40 0.00 295.81 332.42 4.74
FO Sphenolithus ciperoensis CN 29.9 29.9 33H-5, 75 306.78 33H-6, 75 308.29 29.90 0.00 307.54 347.40 0.75
LO Subbotina angiporoides PF 30.00 30.00 32H-CC, 25 300.54 33H-6, 75 308.29 30.00 0.00 304.42 355.28 3.88
LO Turborotalia ampliapertura PF 30.30 30.30 32H-CC, 25 300.54 33H-6, 75 308.29 30.30 0.00 304.42 355.16 3.88

Notes: FO = first occurrence, LO = last occurrence. CN = calcareous nannofossils, PF = planktonic foraminifers, D = diatoms.