Initial Reports, Volume 208 Ms 208IR-107 Chapter 7, Table T13. Age-depth control points, Site 1266. Notes: T = top, B = bottom. o = oldest, y = youngest. PF = planktonic foraminifers, CN = calcareous nannoplankton, PMAG = paleomagnetic reversals, BF = benthic foraminifers. Datum Type Upper depth (mcd) Lower depth (mcd) Minimum age (Ma) Maximum age (Ma) T Globorotalia tosaensis PF 0.02 0.32 0.61 0.61 T Globigerinoides obliquus PF 0.32 3.32 1.30 1.30 T Pseudoemiliania lacunosa CN 4.24 7.24 0.46 0.46 C1n (o) PMAG 6.64 7.74 0.781 0.781 C1r.1n (y) PMAG 7.84 8.54 0.988 0.988 C1r.1n (o) PMAG 9.59 10.24 1.072 1.072 T Large Gephyrocapsa spp. CN 10.24 14.49 1.22 1.22 B Large Gephyrocapsa spp. CN 12.49 13.13 1.58 1.58 T Globigerinoides extremus PF 14.39 17.39 1.91 1.91 T Calcidiscus macintyrei CN 15.97 17.47 1.67 1.67 B Medium Gephyrocapsa spp. CN 17.47 18.97 1.69 1.69 C2n (y) PMAG 17.92 18.37 1.785 1.785 T Discoaster brouweri and D. triradiatus CN 18.97 20.47 1.95 1.95 C2n (o) PMAG 20.87 21.12 1.942 1.942 T Globigerina apertura PF 23.95 25.31 1.68 1.68 B Globorotalia truncatulinoides PF 23.95 25.31 2.03 2.03 T Globoturborotalia woodi PF 25.31 28.31 2.30 2.30 T Globigerina decoraperta PF 25.31 28.31 2.70 2.70 T Discoaster pentaradiatus CN 25.39 26.89 2.52 2.52 C2An (y) PMAG 26.89 29.54 2.582 2.582 T Discoaster tamalis CN 29.09 30.59 2.83 2.83 Pulleniatina reappearance PF 32.98 34.34 2.28 2.28 T Dentoglobigerina altispira PF 32.98 34.34 3.02 3.02 T Sphaeroidinellopsis seminulina PF 36.23 39.23 3.18 3.18 T Neogloboquadrina acostaensis PF 36.23 39.23 3.83 3.83 T Hirsutella margaritae PF 36.23 39.23 3.88 3.88 T Globorotalia plesiotumida PF 39.23 41.73 4.15 4.15 T Hirsutella cibaoensis PF 39.23 41.73 4.16 4.16 T Reticulofenestra pseudoumbilicus CN 48.14 49.64 3.82 3.82 B Globorotalia crassaformis s.l. PF 50.16 53.16 4.31 4.31 T Amaurolithus spp. CN 51.14 52.64 4.56 4.56 T Globoturborotalita nepenthes PF 58.09 61.09 4.37 4.37 B Ceratolithus rugosus CN 59.57 62.07 5.1 5.1 B Sphaeroidinella dehiscens (s.l.) PF 64.09 65.49 4.94 4.94 C3n (o) PMAG 67.42 69.39 5.236 5.236 B Globigerinoides conglobatus PF 69.01 72.01 5.84 5.84 B Ceratolithus acutus CN 71.49 71.99 5.37 5.37 B Globorotalia plesiotumida PF 75.01 78.58 8.91 8.91 B Hirsutella juanai PF 75.01 78.58 9.75 9.75 B Amaurolithus primus CN 76.49 76.89 7.39 7.39 B Neogloboquadrina acostaensis PF 78.58 79.93 9.89 9.89 B Discoaster bellus gr. (D. hamatus) CN 86.81 88.51 10.48 10.48 B Globoturborotalita nepenthes PF 90.86 93.86 11.64 11.64 B Catinaster coalitus CN 93.34 94.84 10.79 10.79 B Triquetrorhabdulus rugosus CN 93.34 94.84 12.81 12.81 C5n (o) PMAG 93.84 95.24 11.043 11.043 B Globigerina apertura PF 93.86 96.86 11.06 11.06 T Sphenolithus heteromorphus CN 98.74 99.15 13.55 13.55 Sphenolithus heteromorphus CN 108.73 109.48 17.76 17.76 T Sphenolithus belemnos CN 109.76 111.65 17.89 17.89 B Sphenolithus belemnos CN 118.55 119.45 18.92 18.92 B Discoaster druggii CN 120.05 120.75 22.82 22.82 T “Globigerina” “angulisuturalis” PF 132.34 143.22 21.60 21.60 T Globigerina euapertura PF 132.34 143.22 23.03 23.03 B Sphenolithus disbelemnos CN 134.20 139.00 22.67 22.67 C6Cn (y) PMAG 138.65 139.30 22.564 22.564 T Sphenolithus delphix CN 142.40 143.00 23.07 23.07 B Sphenolithus delphix CN 143.22 144.53 23.33 23.33 C7n (y) PMAG 145.38 147.58 24.001 24.001 T Sphenolithus ciperoensis CN 150.53 152.08 24.23 24.23 T Paragloborotalia opima PF 153.96 164.83 26.64 26.64 C7An (y) PMAG 154.43 154.63 24.781 24.781 C7An (o) PMAG 155.43 155.83 24.942 24.942 C8n (y) PMAG 156.50 158.23 25.053 25.053 B Sphenolithus ciperoensis CN 164.83 166.48 27.55 27.55 T Chiloguembelina cubensis (common) PF 176.01 186.24 27.92 27.92 C10n (y) PMAG 179.51 179.61 27.760 27.760 C10n (o) PMAG 184.06 185.96 28.053 28.053 B Sphenolithus distentus CN 184.11 186.24 30.32 30.32 T Subbotina angiporoides PF 186.24 197.57 29.67 29.67 C11n (o) PMAG 191.28 191.63 29.828 29.828 C12n (y) PMAG 192.83 194.23 30.479 30.479 C12n (o) PMAG 194.18 195.43 30.939 30.939 T Reticulofenestra umbilicus >14 µm CN 199.66 200.66 31.7 31.7 T Ericsonia formosa CN 207.61 207.78 32.9 32.9 C13n (y) PMAG 207.67 210.68 33.058 33.058 T Pseudohastigerina spp. PF 207.78 219.26 32.00 32.00 T Globigerinatheka index PF 219.26 230.60 34.30 34.30 T Discoaster saipanensis CN 221.00 221.80 34.0 34.0 T Discoaster barbadiensis CN 222.40 223.30 34.2 34.2 C15n (y) PMAG 223.90 224.10 34.655 34.655 C15n (o) PMAG 225.05 225.30 34.940 34.940 C16n (y) PMAG 226.15 227.00 35.343 35.343 T Calcidiscus protoannulus CN 226.90 228.40 34.9 34.9 B Istmolithus recurvus CN 250.84 251.27 36.6 36.6 T Acarinina coalingensis (= primitiva) PF 251.27 252.66 39.00 39.00 T Chiasmolithus grandis CN 251.27 251.58 37.1 37.1 T Subbotina linaperta PF 254.37 262.56 37.70 37.70 B Globigerinatheka index PF 254.37 262.56 42.90 42.90 T Morozovella aragonensis PF 254.37 262.56 43.60 43.60 B Dictyococcites scrippsae CN 254.37 259.26 40.3 40.3 T Nannotetrina spp. CN 254.37 259.26 42.3 42.3 B Reticulofenestra umbilicus >14 µm CN 254.37 259.26 42.5 42.5 T Discoaster sublodoensis CN 258.26 259.78 47.2 47.2 B Nannotetrina spp. CN 260.66 261.28 47.8 47.8 T Discoaster lodoensis CN 262.18 262.78 48.0 48.0 T Morozovella formosa PF 267.32 273.59 50.80 50.80 T Tribrachiatus orthostylus CN 267.32 269.51 51.0 51.0 B Morozovella aragonensis PF 275.14 289.30 52.30 52.30 B Discoaster lodoensis CN 281.84 282.56 52.4 52.4 B Morozovella lensiformis PF 289.30 300.62 54.00 54.00 T Discoaster multiradiatus CN 294.17 294.98 53.0 53.0 B Sphenolithus radians CN 294.98 295.89 53.3 53.3 B Tribrachiatus orthostylus CN 294.98 295.89 53.4 53.4 C24n (o) PMAG 295.28 299.90 53.347 53.347 B Discoaster diastypus CN 296.51 297.49 53.9 53.9 T Stensioeina beccariiformis BF 306.82 306.86 55.00 55.00 B Morozovella gracilis PF 389.30 300.62 54.46 54.46 C25n (y) PMAG 319.63 320.43 55.904 55.904 Morozovella subbotinae PF 321.07 332.47 55.90 55.90 T Globanomalina pseudomenardii PF 325.32 332.47 55.90 55.90 B Discoaster multiradiatus CN 339.48 340.38 56.2 56.2 B Heliolithus riedelii CN 358.28 360.19 57.3 57.3 B Discoaster mohleri CN 361.50 362.54 57.5 57.5 C26n (o) PMAG 364.33 364.84 57.911 57.911 B Globanomalina pseudomenardii PF 367.21 379.36 59.20 59.20 B Heliolithus kleinpellii CN 371.07 371.13 58.2 58.2 B Sphenolithus anarrhopus CN 372.58 372.71 58.4 58.4