525A 19.9.91 Jiang & G.(KvS);Shackleton accum rate rep. 525A GrpEvent Plotcode Y. Age Old Age Top depth Bottom depth 525A N Pseudoemiliania lacunosa T Pla 0.47 1-CC 1-CC 525A N Helicosphaera sellii T Hse 1.37 1-CC 1-CC 525A N Calcidiscus macintyrei T Cma 1.45 3-CC 4-1,148 525A N Gephyrocapsa oceanica B Goc 1.68 1-CC 3-1,29 525A N Gephyrocapsa caribbeanica B Gca 1.74 1-CC 3-1,29 525A N Discoaster brouweri T Dbr 1.90 1-CC 3-1,29 525A N Discoaster asymmetricus T Das 2.20 3-1,29 3-CC 525A N Discoaster pentaradiatus T Dpe 2.40 1-CC 3-1,29 525A N Discoaster surculus T Dsu 2.40 1-CC 3-1,29 525A N Discoaster variabilis T Dva 2.90 1-CC 3-1,29 525A N Pseudoemiliana lacunosa B Pla 3.40 1-CC 3-1,29 525A N Sphenolithus abies/neoabies T Sna 3.47 1-CC 3-1,29 525A N Reticulofenestra pseudoumbilicus T Rps 3.50 1-CC 3-1,29 525A N small Gephyrocapsa B sGe 3.60 1-CC 3-1,29 525A N Amaurolithus tricorniculatus T Atr 3.70 3-1,29 3-CC 525A N Amaurolithus delicatus T Ade 3.70 1-CC 3-1,29 525A N Discoaster asymmetricus B Das 4.10 4-1,148 5-1,60 525A N Amaurolithus tricorniculatus T Apr 4.40 1-CC 3-1,29 525A N Ceratolithus acutus T Cac 4.57 3-1,29 3-CC 525A N Ceratolithus acutus B Cac 5.00 3-CC 4-1,148 525A N Triquetrorhabdulus rugosus T Tru 5.00 4-1,148 5-1,60 525A N Discoaster quinqueramus T Dqu 5.60 4-1,148 5-1,60 525A N Amaurolithus amplificus T Aam 5.60 5-1,60 5-CC 525A N Amaurolithus amplificus B Aam 5.90 5-CC 6-CC 525A N Amaurolithus tricorniculatus B Atr 6.00 4-1,148 5-1,60 525A N Amaurolithus primus B Apr 6.50 5-CC 6-CC 525A N Amaurolithus delicatus B Ade 6.50 5-CC 6-CC 525A N Discoaster quinqueramus B Dqu 8.20 6-CC 7-1,84 525A N Discoaster exilis T Dex 8.80 7-1,84 7-CC 525A N Cyclicargolithus floridanus T Cfl 11.60 6-CC 7-1,84 525A N Triquetrorhabdulus rugosus B Tru 14.00 7-1,84 7-CC 525A N Sphenolithus heteromorphus T She 14.40 8-2,40 8-3,40 525A N Sphenolithus heteromorphus B She 17.10 11-1,40 11-2,40 525A N Sphenolithus belemnos T Sbe 17.40 11-1,40 11-2,40 525A N Sphenolithus belemnos B Sbe 21.50 11-4,40 11-5,40 525A N Reticulofenestra bisecta T Rbi 23.70 15-CC 16-1,40 525A S NN18-19 NN18-19 1.90 9.30 525A S NN15-16 NN15-16 3.10 18.26 525A S NN14-15? NN14-15? 3.60 32.60 525A S NN12-13 NN12-13 4.50 47.82 525A S B C.acutus B C.acutus 5.00 57.00 525A S Delta13C shift Delta13C shi 6.40 97.10 525A S NN10-11 NN10-11 8.50 103.78 525A S NN9-10 NN9-10 10.60 119.68 525A S NN8-9 NN8-9 12.00 137.52 525A S NN7-8 NN7-8 12.80 139.58 525A S NN6-7 NN6-7 13.60 156.60 525A S NN5-6 NN5-6 15.50 172.88 525A S NN4-5 NN4-5 17.00 193.15 525A S NN3-4 NN3-4 17.60 197.00 525A S NN2-3 NN2-3 18.00 207.95 525A S NN1-2 NN1-2 22.80 226.75 525A S NP25-NN1 NP25-NN1 23.70 256.65 525A S NP24-25 NP24-25 25.30 278.60