Initial Reports, Volume 208 Ms 208IR-108 Chapter 8, Table T13. Age-depth control points, Site 1267. 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) B Emiliania huxleyi CN 0.04 0.83 0.26 0.26 T Pseudoemiliania lacunosa CN 2.43 3.93 0.46 0.46 T Globorotalia tosaensis PF 3.08 3.35 0.61 0.61 T Globigerinoides obliquus PF 3.35 6.35 1.30 1.30 B Gephyrocapsa parallela (= reent. Medium G.) CN 6.53 8.03 1.01 1.01 C1n (o) PMAG 6.78 8.53 0.781 0.781 C1r.1n (y) PMAG 8.48 8.78 0.988 0.988 T Globigerina apertura PF 8.88 9.89 1.68 1.68 C1r.1n (o) PMAG 9.48 10.08 1.072 1.072 T Large Gephyrocapsa spp. CN 10.77 11.72 1.22 1.22 B Large Gephyrocapsa spp. CN 13.62 14.72 1.58 1.58 T Globigerinoides extremus PF 15.89 18.39 1.91 1.91 B Medium Gephyrocapsa spp. CN 16.22 17.37 1.69 1.69 C2n (y) PMAG 17.47 18.04 1.785 1.785 B Globorotalia truncatulinoides PF 19.03 22.11 2.03 2.03 Pulleniatina reappearance PF 19.03 22.11 2.28 2.28 T Discoaster brouweri and D. triradiatus CN 19.03 21.99 1.95 1.95 C2n (o) PMAG 19.44 19.89 1.942 1.942 T Globoturborotalita woodi PF 25.11 28.11 2.30 2.30 T Globigerina decoraperta PF 25.11 28.11 2.70 2.70 T Discoaster pentaradiatus CN 26.19 31.70 2.52 2.52 C2An.1n (y) PMAG 30.26 31.16 2.582 2.582 T Discoaster tamalis CN 31.70 36.02 2.83 2.83 T Dentoglobigerina altispira PF 37.15 39.74 3.02 3.02 C2An.3n (y) PMAG 41.34 41.99 3.330 3.330 T Sphaeroidinellopsis seminulina PF 41.91 42.61 3.18 3.18 C2An.3n (o) PMAG 44.59 44.74 3.596 3.596 B Globorotalia tosaensis PF 45.61 45.84 3.35 3.35 T Neogloboquadrina acostaensis PF 45.84 48.61 3.83 3.83 T Reticulofenestra pseudoumbilicus CN 47.19 48.69 3.82 3.82 T Globorotalia plesiotumida PF 48.61 51.58 4.15 4.15 T Hirsutella cibaoensis PF 52.03 54.58 4.16 4.16 T Amaurolithus spp. CN 52.36 53.86 4.56 4.56 B Globorotalia crassaformis s.l. PF 67.08 70.08 4.31 4.31 T Globoturborotalita nepenthes PF 73.05 73.43 4.37 4.37 B Ceratolithus rugosus CN 82.50 83.30 5.1 5.1 B Sphaeroidinella dehiscens s.l. PF 83.12 83.52 4.94 4.94 B Ceratolithus acutus CN 87.24 88.74 5.37 5.37 B Globorotalia tumida PF 87.86 90.70 5.96 5.96 B Globigerinoides conglobatus PF 92.08 94.30 5.84 5.84 T Nicklithus amplificus CN 95.18 95.88 6.00 6.00 B Nicklithus amplificus CN 100.38 101.18 6.84 6.84 B Hirsutella cibaoensis PF 101.80 104.03 7.91 7.91 B Globorotalia plesiotumida PF 101.80 104.03 8.91 8.91 B Globigerinoides extremus PF 101.80 104.03 8.94 8.94 B Amaurolithus primus CN 102.58 103.48 7.39 7.39 B Discoaster loeblichii CN 103.48 104.03 8.43 8.43 B Discoaster bellus gr. (D. hamatus) CN 106.61 109.77 10.48 10.48 B Discoaster druggii CN 112.68 114.76 22.82 22.82 T Globigerina euapertura PF 123.36 128.53 23.03 23.03 T Subbotina angiporoides PF 123.36 128.53 30.00 30.00 C12n (y) PMAG 123.87 124.67 30.479 30.479 C12n (o) PMAG 125.07 125.17 30.939 30.939 T Reticulofenestra umbilicus >14 m CN 129.07 130.57 31.7 31.7 T Ericsonia formosa CN 134.37 136.45 32.9 32.9 C13n (y) PMAG 137.43 137.85 33.058 33.058 T Globigerinatheka index PF 139.48 145.85 34.30 34.30 C13n (o) PMAG 141.85 143.05 33.545 33.545 T Discoaster saipanensis CN 145.85 146.86 34.0 34.0 T Chiasmolithus grandis CN 146.86 148.60 37.1 37.1 T Nannotetrina spp. CN 149.50 151.70 42.3 42.3 T Acarinina bullbrooki PF 150.03 155.59 40.50 40.50 B Globigerinatheka index PF 150.03 155.59 42.90 42.90 T Morozovella aragonensis PF 150.03 155.59 43.60 43.60 B Reticulofenestra umbilicus >14 m CN 151.70 153.20 42.5 42.5 C20n (y) PMAG 152.13 153.10 42.536 42.536 T Nannotetrina fulgens CN 153.20 154.70 43.4 43.4 C20n (o) PMAG 154.03 154.55 43.789 43.789 T Morozovella spinulosa PF 155.59 160.71 38.10 38.10 T Discoaster sublodoensis CN 155.59 167.32 47.2 47.2 T Subbotina linaperta PF 160.71 167.32 37.70 37.70 C21n (y) PMAG 161.90 163.05 46.264 46.264 B Nannotetrina spp. CN 170.01 171.51 47.8 47.8 T Discoaster lodoensis CN 170.01 171.51 48.0 48.0 C22n (o) PMAG 176.23 177.36 49.714 49.714 T Tribrachiatus orthostylus CN 179.27 180.87 51.0 51.0 T Morozovella formosa PF 182.59 188.86 50.80 50.80 B Morozovella aragonensis PF 193.25 199.10 52.76 52.76 T Morozovella aequa PF 193.25 199.10 52.89 52.89 T Subbotina velascoensis PF 199.10 205.14 54.17 54.17 B Discoaster lodoensis CN 199.10 201.15 52.4 52.4 T Discoaster multiradiatus CN 199.10 201.15 53.0 53.0 B Sphenolithus radians CN 204.15 204.25 53.3 53.3 B Morozovella lensiformis PF 205.14 209.51 53.68 53.68 B Tribrachiatus orthostylus CN 207.25 208.35 53.4 53.4 B Discoaster diastypus CN 215.45 217.05 53.9 53.9 B Igorina broedermanni PF 216.32 221.01 54.70 54.70 B Acarinina angulosa PF 221.01 227.32 52.78 52.78 B Morozovella marginodentata PF 221.01 227.32 54.34 54.34 B Morozovella aequa PF 227.32 231.05 56.50 56.50 B Globanomalina australiformis PF 231.05 231.23 55.50 55.50 T Subbotina triangularis PF 231.53 231.62 54.07 54.07 T Stensioeina beccariiformis BF 231.53 231.62 55.0 55.0 T Morozovella acuta PF 231.62 232.94 54.70 54.70 T Globanomalina pseudomenardii PF 232.94 238.16 55.90 55.90 T Acarinina nitida (= A. acarinata) PF 232.94 238.16 56.30 56.30 T Acarinina mckannai PF 232.94 238.16 56.30 56.30 B Morozovella subbotinae PF 238.16 243.25 55.90 55.90 B Acarinina coalingensis (= triplex) PF 243.25 249.87 56.50 56.50 C25n (y) PMAG 248.64 249.44 55.904 55.904 B Discoaster multiradiatus CN 251.19 252.32 56.2 56.2 C25n (o) PMAG 252.39 252.77 56.391 56.391 B Discoaster nobilis CN 253.57 254.21 56.5 56.5 B Acarinina soldadoensis PF 254.21 261.42 56.50 56.50 B Acarinina mckannai PF 267.27 277.48 59.10 59.10 B Heliolithus riedelii CN 271.93 274.90 57.3 57.3 C26n (y) PMAG 275.55 275.60 57.554 57.554 B Discoaster mohleri CN 275.70 276.93 57.5 57.5 C26n (o) PMAG 277.45 277.55 57.911 57.911 B Acarinina subsphaerica PF 277.48 278.27 59.20 59.20 B Acarinina nitida PF 277.48 278.27 59.20 59.20 B Heliolithus kleinpellii CN 277.48 278.54 58.2 58.2 B Sphenolithus anarrhopus CN 278.54 279.25 58.4 58.4 B Heliolithus cantabriae CN 280.33 280.78 58.8 58.8 B Morozovella velascoensis PF 286.48 288.09 60.00 60.00 B Igorina albeari PF 286.48 288.09 60.00 60.00 B Globanomalina pseudomenardii PF 288.09 294.77 59.20 59.20 B Fasciculithus pileatus CN 292.25 293.60 59.3 59.3 B Fasciculithus tympaniformis CN 293.60 294.40 59.7 59.7 B Acarinina strabocella PF 294.77 296.64 60.50 60.50 B Morozovella conicotruncata PF 294.77 296.64 60.90 60.90 B Sphenolithus primus CN 294.77 296.67 60.60 60.6 B Morozovella angulata PF 296.64 305.56 61.00 61.00 C27n (y) PMAG 297.94 298.99 60.920 60.920 C27n (o) PMAG 301.14 301.44 61.276 61.276 B Praemurica uncinata PF 305.56 306.86 61.20 61.20 B Globanomalina compressa PF 306.86 315.83 63.00 63.00 B Praemurica inconstans PF 306.86 315.83 63.00 63.00 B Chiasmolithus danicus CN 305.56 312.91 64.20 64.2 C28n (y) PMAG 306.49 307.46 62.499 62.499 C28n (o) PMAG 312.55 312.81 63.634 63.634 B Cruciplacolithus tenuis s.s. CN 312.91 314.81 64.50 64.5 C29n (y) PMAG 313.76 314.05 63.976 63.976 C29n (o) PMAG 315.30 318.00 64.745 64.745 B Cruciplacolithus primus CN 318.69 319.30 64.8 64.8 B Subbotina triloculinoides PF 318.60 319.30 64.50 64.50 T Parvularugoglobigerina eugubina PF 320.00 320.20 64.90 64.90 B Parvularugoglobigerina eugubina PF 320.40 320.44 64.97 64.97 T Abathomphalus mayaroensis PF 320.40 320.44 65.00 65.00 C30n (y) PMAG 326.95 327.84 65.578 65.578 B Micula prinsii CN 327.03 327.26 65.40 65.40 B Micula murus CN 332.31 335.91 66.20 66.20 C30n (o) PMAG 360.55 360.65 67.610 67.610 C31n (y) PMAG 362.35 362.55 67.735 67.735