Table T2. Miocene magnetic polarity and biostratigraphy datum events used to construct depth-age models, Holes 1170A and 1172A.
Hole
Datum
Event
Mean depth (mbsf)
Age
(Ma)
1170A M Termination 5n.1n 190.00 9.74

D LO Denticulopsis dimorpha 196.56 10.70

N LO Cyclicargolithus floridanus 249.36 11.90

R LO Actinocyclus ingens var. nodus 251.80 12.71

M Termination C5AAn 264.00 12.99

M Onset C5AAn 268.50 13.14

M Termination C5ABn 273.00 13.30

M Onset C5ABn 277.00 13.51

M Termination C5ACn 278.00 13.70

M Onset C5ACn 283.50 14.08

M Termination C5ADn 286.00 14.18

D FO Actinocyclus ingens var. nodus 291.42 14.38

M Onset C5ADn 292.00 14.61

M Termination C5Bn.1n 294.00 14.80

M Onset C5Bn.1n 296.00 14.89

M Termination C5Bn.2n 297.50 15.03

M Termination C5Cn.1n 308.00 16.01

M Onset C5Cn.1n 310.50 16.29

M Onset C5En 338.00 18.78

M Termination C6n 341.00 19.05

M Onset C6AAn 370.50 21.86

M Termination C6AAr.1n 372.20 22.15

M Onset C6AAr.1n 373.60 22.25

M Termination C6AAr.2n 374.90 22.46

M Onset C6AAr.2n 375.40 22.49

M Termination C6Bn.1n 375.80 22.59

M Termination C6Bn.2n 377.40 22.80
1172A M Termination 3Bn 121.50 6.94

M Onset 3Bn 124.20 7.09

P FO Globorotalia conomiozea 125.00 7.12

M Termination 3Br.1n 125.40 7.14

M Onset 3Br.1n 126.80 7.17

P LO Paragloborotalia continuosa 144.51 8.00

M Onset 4n.2n 146.90 8.07

M Termination 4r.1n 149.20 8.23

M Onset 4r.1n 150.30 8.26

M Termination 4An 156.20 8.70

M Onset 4An 167.00 9.03

M Termination 4Ar.1n 169.80 9.23

M Onset 4Ar.1n 169.90 9.31

M Termination 4Ar.2n 174.00 9.58

M Onset 4Ar.2n 175.00 9.64

M Termination 5n.1n 176.70 9.74

M Onset 5n.2n 216.00 10.95

M Termination 5r.1n 224.30 11.05

M Onset 5r.1n 226.90 11.10

M Termination 5r.2n 232.10 11.48

M Onset 5r.2n 234.30 11.53

M Termination 5An.1n 243.80 11.94

M Onset 5An.1n 246.30 12.08

M Termination 5An.2n 250.00 12.18

M Onset 5An.2n 253.20 12.40

M Termination 5Ar.1n 260.40 12.68

M Onset 5Ar.1n 260.90 12.71

M Termination 5Ar.2n 262.00 12.78

M Onset 5Ar.2n 263.20 12.82

M Termination 5AAn 265.30 12.99

M Termination 5ABn 273.60 13.30

M Onset 5ABn 275.70 13.51

N LO Sphenolithus heteromorphus 281.50 13.60

M Termination 5ACn 282.20 13.70

M Onset 5ACn 285.20 14.08

M Termination 5ADn 287.30 14.18

M Onset 5ADn 291.90 14.61

M Termination 5Bn.1n 293.30 14.80

M Onset 5Bn.1n 293.90 14.89

M Termination 5Bn.2n 296.30 15.03

M Onset 5Bn.2n 298.80 15.16

M Termination 5Cn.1n 302.30 16.01

P FO Praeorbulina curva 311.36 16.30

M Onset 5Cn.3n 314.10 16.73

M Termination 5Dn 316.90 17.28

M Termination 5En 320.20 18.28

M Onset 5En 324.00 18.78

M Termination 6n 325.80 19.05

M Onset 6n 333.10 20.13

M Termination 6Bn.1n 346.70 22.59

M Onset 6Bn.1n 348.40 22.75

M Termination 6Bn.2n 349.10 22.80

M Onset 6Bn.2n 350.90 23.07

Notes: M = magnetic polarity, P = planktonic foraminifer, R = radiolarian, N = nannofossil. LO = last occurrence, FO = first occurrence.