591 6/14/91 HH after HILLS & THIERSTEIN (1989) 591 GrpEvent Plotcode Y. Age Old Age Top depth Bottom depth 591 F LAD G.tosaensis Ltos 0.60 23.28 24.76 591 F LAD G.obliquus extremus Lobe 1.80 74.52 75.76 591 F FAD G.truncatulinoides Ltrc 1.90 74.52 75.76 591 F LAD G.multicamerata Lmtc 2.90 60.52 69.98 591 F LAD Gq.altispira Lalp 2.90 80.05 89.79 591 F FAD G.inflata Fifl 3.00 122.21 123.47 591 F FAD G.tosaensis Ftos 3.10 96.48 97.96 591 F LAD G.margaritae Lmgt 3.40 108.96 118.18 591 N Emiliania huxleyi B Ehu 0.28 3.05 3.37 591 N Pseudoemiliania lacunosa T Pla 0.47 6.45 9.43 591 N Calcidiscus macintyrei T Cma 1.45 35.24 38.24 591 N Discoaster brouweri T Dbr 1.90 47.84 51.36 591 N Discoaster pentaradiatus T Dpe 2.40 61.03 64.03 591 N Discoaster surculus T Dsu 2.40 64.05 67.03 591 N Discoaster tamalis T Dta 2.60 67.05 80.03 591 N Reticulofenestra pseudoumbilicus T Rps 3.50 102.45 105.43 591 N Emiliania huxleyi B Ehu 0.28 1-3,5 1-cc 591 N Helicosphaera sellii T Hse 1.37 1-1,5 591 N Gephyrocapsa oceanica B Goc 1.68 2-3,4 2-5,4 591 N Gephyrocapsa caribbeanica B Gca 1.74 5-3,3 5-5,4 591 N Discoaster brouweri T Dbr 1.90 6-5,4 6-cc 591 N Discoaster triradiatus T Dtr 1.90 6-5,4 6-cc 591 N Discoaster asymmetricus T Das 2.20 8-1,4 8-3,4 591 N Discoaster pentaradiatus T Dpe 2.40 8-1,4 8-3,4 591 N Discoaster surculus T Dsu 2.40 8-3,4 8-5,4 591 N Discoaster tamalis T Dta 2.60 8-5,4 9-cc 591 N Pseudoemiliana lacunosa B Pla 3.40 10-cc 11-cc 591 N Sphenolithus abies/neoabies T Sna 3.47 12-3,5 13-cc 591 N Amaurolithus tricorniculatus T Atr 3.70 16-cc 17-1,22 591 N Amaurolithus delicatus T Ade 3.70 12-5,4 13-cc 591 N Discoaster tamalis B Dta 3.80 12-5,4 13-cc 591 N Discoaster asymmetricus B Das 4.10 20-cc 21-1,4 591 Nb Discoaster berggrenii T Dbe 5.60 297.22 297.22 591 Nb Discoaster quinqueramus B Dqu 8.20 306.48 308.84 591 Nb Discoaster exilis T Dex 8.80 366.05 367.63 591 Nb Discoaster hamatus T Dha 8.85 339.37 348.35 591 Nb Catinaster coalitus T Cco 9.00 366.05 367.63 591 Nb Discoaster hamatus B Dha 10.00 366.05 367.63 591 Nb Cyclicargolithus floridanus T Cfl 11.60 397.01 408.51 591 Nb Discoaster kugleri B Dku 13.10 378.11 385.24 591 Nb Triquetrorhabdulus rugosus B Tru 14.00 428.66 436.24 591 Nb Sphenolithus heteromorphus T She 14.40 436.24 439.24 591 Nb Sphenolithus heteromorphus B She 17.10 497.04 497.04 591 M Brunhes B1N1 0.73 16.77 17.25 591 M Jaramillo T1N2 0.91 23.37 23.85 591 M Jaramillo B1N2 0.98 25.87 26.35 591 M Olduvai T2N1 1.66 45.06 45.56 591 M Olduvai B2N1 1.88 49.06 49.56 591 M Gauss T2AN1 2.47 66.32 67.30 591 M Gauss B2AN1 2.92 81.97 82.45 591 M Gauss (^mammoth) T2AN3 3.18 88.97 89.45 591 M Gauss B2AN3 3.40 102.17 102.65