Table T3. Depths and ages of calcareous nannofossil events at Site 1146.
Event
Age
(Ma)
Reference
Interval
Mean depth (mcd)
Top
Depth (mcd)
Bottom
Depth (mcd)
Hole
Core, section, interval (cm)
Hole
Core, section, interval (cm)
FO E. huxleyi Acme 0.09 1 1146A 3H-CC, 13–20 23.10 1146B 3H-5, 1–2 22.81 22.96
FO E. huxleyi 0.26 2 1146B 7H-2, 81–82 61.11 1146B 7H-3, 41–42 62.21 61.66
LO P. lacunosa 0.46 2 1146C 8H-5, 61–62 77.56 1146C 8H-6, 61–62 79.06 78.31
LO R. asanoi 0.85 1 1146C 12H-4, 61–62 117.01 1146C 12H-5, 11–12 118.01 117.51
FO R. asanoi 1.16 1 1146A 15H-CC, 25–32 145.52 1146C 15H-3, 121–122 146.46 145.99
LO C. macintyrei 1.58 2 1146A 18H-1, 141–142 167.36 1146A 18H-2, 1–2 167.46 167.41
FO Gephyrocapsa spp. (medium) 1.69 2 1146B 18H-6, 41–42 176.96 1146B 18H-6, 141–142 177.96 177.46
LO D. brouweri 1.96 2 1146A 19H-CC, 20–26 185.46 1146C 19H-3, 11–12 185.51 185.49
LO D. pentaradiatus 2.52 2 1146C 21H-4, 41–42 207.86 1146C 21H-4, 51–52 207.96 207.91
LO D. surculus 2.63 2 1146B 22H-5, 71–72 217.36 1146B 22H-5, 81–82 217.46 217.41
LO D. tamalis 2.78 2 1146A 23H-5, 121–122 224.11 1146C 23H-2, 21–22 225.96 225.04
LO S. abies/neoabies 3.66 2 1146C 25H-6, 86–87 253.61 1146C 25H-6, 91–92 253.66 253.64
LO R. pseudoumbilicus 3.82 2 1146C 25H-6, 141–142 254.16 1146C 25H-6, 146–147 254.21 254.19
LO Amaurolithus spp. 4.56 2 1146C 27H-5, 136–137 274.10 1146A 28H-4, 146–147 274.90 274.50
FO D. asymmetricus 4.80 4 1146A 28H-5, 146–147 276.40 1146A 28H-CC, 16–23 278.09 277.25
LO C. acutus 4.99 2 1146A 29H-1, 81–83 279.81 1146C 28H-1, 71–72 281.06 280.44
FO C. rugosus 5.07 2 1146C 29H-6, 16–17 296.91 1146C 28H-1, 71–72 297.01 296.96
FO C. acutus 5.34 2 1146C 30H-5, 96–97 305.06 1146A 31H-CC, 23–30 306.29 305.68
LO T. rugosus 5.35 2 1146C 30H-6, 96–97 306.56 1146C 30H-7, 46–47 307.56 307.06
LO D. quinqueramus 5.55 2 1146A 32H-4, 15–16 313.90 1146A 32H-5, 15–16 315.40 314.65
LO A. amplificus 5.93 2 1146A 33H-5, 15–16 324.40 1146A 33H-CC, 15–32 325.77 325.09
FO A. amplificus 6.50 2 1146C 35H-4, 15–16 348.45 1146A 36H-2, 90–91 352.90 350.68
FO A. primus 7.17 2 1146A 37H-3, 90–91 364.75 1146A 37H-4, 90–91 366.25 365.50
FO D. berggrenii 8.45 2 1146C 40H-2, 90–91 401.16 1146C 40H-3, 90–91 402.66 401.91
FO D. quinqueramus 8.45 2 1146C 40H-2, 90–91 401.16 1146C 40H-3, 90–91 402.66 401.91
FO D. pentaradiatus 8.55 2 1146A 41H-5, 90–91 409.02 1146C 24H-35, 90–91 410.42 409.72
LO D. hamatus 9.40 2 1146C 42H-3, 15–16 419.12 1146A 42H-CC, 28–35 419.66 419.39
LO C. calyculus 9.50 4 1146C 42H-4, 15–16 420.62 1146A 43H-3, 15–16 423.32 421.97
LO C. coalitus 9.80 4 1146A 44H-1, 15–16 429.52 1146A 43H-CC, 33–40 429.53 429.53
FO D. hamatus 10.38 2 1146A 45H-5, 15–16 445.47 1146C 45H-2, 15–16 446.57 446.02
FO C. calyculus 10.50 4 1146C 45H-3, 15–16 448.07 1146C 45H-4, 15–16 449.57 448.82
FO C. coalitus 10.73 2 1146A 46H-5, 15–16 456.57 1146C 46H-2, 15–16 458.57 457.57
LO D. kugleri 11.36 2 1146A 47H-5, 15–16 468.17 1146A 47H-6, 15–16 469.67 468.92
FO D. kugleri 12.20 2 1146A 48H-5, 90–91 478.81 1146A 46H-CC, 37–42 479.97 479.39
FO T. rugosus 12.62 2 1146A 50H-5, 15–16 495.84 1146A 50H-6, 15–16 497.34 496.59
LO C. floridanus 13.19 2 1146A 50H-5, 15–16 495.84 1146A 50H-6, 15–16 497.34 496.59
LO S. heteromorphus 13.57 2 1146C 51H-4, 15–17 510.69 1146A 51H-CC, 32–39 510.87 510.78
LO H. ampliaperta 15.87 2 1146C 56H-2, 15–16 558.10 1146C 56H-3, 15–16 559.60 558.85
FO S. heteromorphus 18.20 3 1146A 61H-CC, 43–50 613.18 1146A 62H-CC, 19–26 623.03 618.11
LO S. belemnos 18.30 3 1146A 62H-CC, 19–26 623.03 1146A 63H-CC, 33–39 633.76 628.40

Notes: 1 = Su (1996), 2 = Shackleton et al. (1995), 3 = Berggren et al. (1995), 4 = ages from various references. FO = first occurrence, LO = last occurrence.