"Table 4. Planktonic foraminifer datums, absolute ages, and depths at Site 1001." "Note: FO = first occurrence, LO = last occurrence." Hole 1001A Hole 1001B Event Zone (base) Age (Ma) "Core, section, interval (cm)" Depth (mbsf) " Core, section, interval (cm)" Depth (mbsf) LO Globigerinoides obliquus 1.3 3R-CC to 4R-CC 22.23 LO Globigerinoides extremus 1.9 4R-CC to 5R-CC 31.55 FO Truncorotalia truncatulinoides N22 2 4R-CC to 5R-CC 31.55 LO Menardella miocenica 2.3 4R-CC to 5R-CC 31.55 FO Pulleniatina obliquiloculata (Atlantic) 2.3 4R-CC to 5R-CC 31.55 LO Menardella pertenuis 2.6 5R-CC to 6R-CC 41.87 LO Menardella multicamerata 3 6R-CC to 7R-CC 52.81 LO Dentoglobigerina altispira 3 6R-CC to 7R-CC 52.81 FO Menardella pertenuis 3.5 7R-CC to 8R-CC 65.21 FO Menardella miocenica N21/N20 3.6 7R-CC to 8R-CC 65.21 LO Hirsutella margaritae 3.6 8R-CC to 9R-CC 74.53 LO Globoturborotalita nepenthes 4.3 8R-CC to 9R-CC 74.53 LO Globorotalia plesiotumida 4.4 8R-CC to 9R-CC 74.53 FO Menardella exilis 4.5 9R-CC to 10R-CC 81.87 FO Truncorotalia crassaformis 4.7 9R-CC to 10R-CC 81.87 LO Hirsutella cibaoensis 5 10R-CC to 11R-CC 94.09 FO Sphaeroidinella dehiscens N19 5.6 10R-CC to 11R-CC 94.09 FO Hirsutella margaritae 6 9R-CC to 10R-CC 81.87 FO Globigerinoides conglobatus 6.2 9R-CC to 10R-CC 81.87 FO Hirsutella cibaoensis 7.7 11R-CC to 12R-CC 106.2 FO Globigerinoides extremus 8 11R-CC to 12R-CC 106.2 FO Candeina nitida 8 13R-CC to 14R-CC 125.81 FO Hirsutella juanai 8 13R-CC to 14R-CC 125.81 FO Globorotalia plesiotumida N18/N17 8.2 13R-CC to 14R-CC 125.81 FO Neogloboquadrina acostaensis N16 10 14R-CC to 15R-CC 135.18 LO Paragloborotalia mayeri N15 10.3 14R-CC to 15R-CC 135.18 FO Globoturborotalita nepenthes N14 11.4 14R-CC to 15R-CC 145.12 LO Fohsella fohsi N13 11.8 15R-CC to 16R-CC 145.12 FO Fohsella fohsi N12 13.5 16R-CC to 17R-CC 155.02 FO Fohsella praefohsi 14 17R-CC to 18R-CC 163.59 Unconformity LO Subbotina velascoensis 53.5 18R-CC to 19R-CC 167.5 LO Morozovella velascoensis P6a 54.7 25R-CC to 26R-CC 225.32 4R-CC to 5R-CC 223.51 LO Morozovella acuta 54.7 19H-CC to 22R-CC 178.98 4R-CC to 5R-CC 223.51 FO Morozovella gracilis 54.7 (54.9) 24R-CC to 25R-CC 215.58 FO Igorina broedermanni 54.7 23R-CC to 24R-CC 205.36 4R-CC to 5R-CC 223.51 FO Morozovella subbotinae 55.9 29R-CC to 30R-CC 263.12 7R-CC to 8R-CC 256.92 LO Globanomalina pseudomenardii P5 55.9 29R-CC to 31R-CC 262.99 7R-CC to 8R-CC 256.92 LO Acarinina nitida 56.3 5R-CC to 7R-CC 241.2 FO Acarinina soldadoensis P4c 56.5 31R-CC to 32R-CC 278.5 9R-CC to 10R-CC 272.3 FO Morozovella aequa 56.5 32R-CC to 33R-CC 295.15 9R-CC to 10R-CC 272.3 FO Globanomalina pseudomenardii P4a 59.2 "35R-CC to 36R-2, 149-150" 325.38 11R-CC to 12R-CC 295.32 FO Morozovella velascoensis 60 34R-CC to 35R-CC 317.39 13R-CC to 14R-CC 316.61 FO Igorina albeari P3b 60 "35R-CC to 36R-2, 149-150" 325.38 15R-CC to 16R-CC 334.93 FO Morozovella angulata P3a 61 "35R-CC to 36R-2, 149-150" 325.38 15R-CC to 16R-CC 334.93 FO Igorina pusilla 61 "36R-2, 149 to 37R-CC" 335.57 14R-CC to 15R-CC 324.93 FO Praemurica uncinata P2 61.2 15R-CC to 16R-CC 334.93 FO Morozovella praeangulata 61.2 "36R-2, 149 to 37R-CC" 329.53 FO Praemurica inconstans 63 16R-CC to 17R-CC 343.82 FO Subbotina triloculinoides P1b 64.3 37R-CC to 38R-CC 348.36 16R-CC to 17R-CC 343.82 LO Most Cretaceous taxa P0/Palpha 65 "38R-CC to 39R-2, 4" 352.66 17R-CC to 18R-CC 350.5 FO Abathomphalus mayaroensis A. mayaroensis 68.25 43R-CC to 44R-CC 404.24 22R-CC to 23R-CC 393.7 FO Contusotruncana contusa 69.6 42R-CC to 43R-CC 393.93 19R-CC to 20R-CC 365.38 FO Gansserina gansseri G. gansseri 72.8 46R-CC to 47R-CC 430.28 26R-CC to 27R-CC 428.25 FO Globotruncana aegyptiaca G. aegyptiaca 73.8 47R-CC to 48R-CC 439.27 27R-CC to 28R-CC 436.52 LO Globotruncanita calcarata G. havanensis 75.2 49R-CC to 50R-CC 459.81 29R-CC to 30R-CC 457.58 FO Globotruncanita calcarata G. calcarata 75.7 50R-CC to 51R-CC 470.04 "30R-CC to 31R-5, 89-90" 469.59 FO Globotruncana ventricosa G. ventricosa 79.5 below 51R-CC