Initial Reports, Volume 208 Ms 208IR-103 Chapter 3, Table T15. Age-depth control points, Site 1262. Notes: T = top, B = bottom. o = oldest, y = youngest. CN = calcareous nannoplankton, PF = planktonic foraminifers, BF = benthic foraminifers, PMAG = paleomagnetic reversals. Datum Type Upper depth (mcd) Lower depth (mcd) Minimum age (Ma) Maximum age (Ma) T Pseudoemiliania lacunosa CN 3.07 3.90 0.46 0.46 T Globorotalia tosaensis PF 4.19 5.12 0.61 0.61 B Gephyrocapsa parallela CN 6.05 7.04 0.98 1.03 C1n (o) PMAG 6.15 6.47 0.781 0.781 C1r.1n (y) PMAG 7.44 7.59 0.988 0.988 C1r.1n (o) PMAG 7.99 8.17 1.072 1.072 T Large Gephyrocapsa CN 8.74 9.52 1.22 1.26 Cobb Mountain (y) PMAG 8.89 9.07 1.173 1.173 Cobb Mountain (o) PMAG 9.09 9.42 1.185 1.185 B Medium Gephyrocapsa spp. CN 13.49 13.84 1.69 1.71 C2n (y) PMAG 15.46 15.56 1.785 1.775 Zone CN13a Assemblage CN 16.01 17.22 1.7 1.8 B Globorotalia truncatulinoides PF 16.01 22.39 2.02 2.02 C2n (o) PMAG 16.86 16.96 1.942 1.942 Zone CN12aB Assemblage CN 17.22 35.72 2.83 3.66 C2An.1n (y) PMAG 24.18 24.39 2.582 2.582 B Globorotalia tosaensis PF 25.73 31.84 3.35 3.35 T Globorotalia plesiotumida PF 31.84 35.72 4.15 4.15 C2An.3n (o) PMAG 35.41 36.61 3.596 3.596 Zone CN10c Assemblage CN 35.72 46.03 4.56 5.05 B Globoconella conomiozea PF 42.72 46.03 7.12 7.12 B Globorotalia crassaformis (s.l.) PF 46.03 51.28 4.31 4.31 T Subbotina angiporoides PF 68.36 78.12 29.67 29.67 T Ericsonia formosa CN 75.70 75.87 32.9 32.9 C13n (y) PMAG 76.67 77.14 33.058 33.058 T Discoaster saipanensis CN 78.83 79.62 34 34 T Discoaster barbadiensis CN 78.83 79.62 34.2 34.2 C13n (o) PMAG 78.92 79.07 33.545 33.545 B Isthmolithus recurvus CN 81.08 81.24 36.6 36.6 T Globigerinatheka index PF 83.94 87.97 34.3 34.3 B Globigerinatheka semiinvoluta PF 87.97 94.13 38.4 38.4 C23n (y) PMAG 93.01 93.31 50.778 50.778 B Discoaster sublodoensis CN 93.27 93.72 49.3 49.3 T Morozovella aragonensis PF 94.13 100.84 43.6 43.6 T Tribrachiatus orthostylus CN 96.91 97.91 51 51 T Morozovella aequa PF 104.97 111.40 52.89 52.89 T Subbotina velascoensis PF 104.97 111.40 53.5 53.5 B Discoaster lodoensis CN 107.67 108.11 52.4 52.4 B Morozovella lensiformis PF 111.40 115.69 53.68 53.68 T Subbotina triangularis PF 111.40 115.69 54.07 54.07 T Discoaster multiradiatus CN 113.25 113.95 53 53 B Morozovella aragonensis PF 115.69 120.29 52.3 52.3 B Sphenolithus radians CN 118.04 118.94 53.3 53.3 B Tribrachiatus orthostylus CN 118.04 118.94 53.4 53.4 C24n (o) PMAG 120.42 120.52 53.347 53.347 B Morozovella gracilis PF 138.01 139.49 54.46 54.46 T Stensioeina beccariiformis BF 140.04 140.08 55 55 B Morozovella subbotinae PF 151.93 156.65 55.9 55.9 C25n (y) PMAG 153.21 153.31 55.904 55.904 B Discoaster multiradiatus CN 153.76 155.26 56.2 56.2 T Globanomalina pseudomenardii PF 156.65 161.95 55.9 55.9 T Acarinina mckannai PF 156.65 161.95 56.3 56.3 B Discoaster okadai CN 157.22 158.32 56.4 56.4 C25n (o) PMAG 159.21 159.46 56.391 56.391 B Acarinina soldadoensis PF 161.95 166.23 56.5 56.5 B Morozovella aequa PF 161.95 166.23 56.5 56.5 B Heliolithus riedelii CN 169.39 170.03 57.3 57.3 B Discoaster mohleri CN 170.03 170.89 57.5 57.5 C26n (y) PMAG 171.41 171.94 57.554 57.554 C26n (o) PMAG 173.14 173.57 57.911 57.911 B Acarinina subsphaerica PF 173.49 177.98 59.2 59.2 B Heliolithus kleinpellii CN 174.39 175.39 58.2 58.2 B Sphenolithus anarrhopus CN 175.39 175.89 58.4 58.4 B Acarinina mckannai PF 177.98 182.36 59.1 59.1 B Morozovella velascoensis PF 177.98 188.16 60 60 B Heliolithus cantabriae CN 178.69 179.79 58.8 58.8 B Globanomalina pseudomenardii PF 182.36 188.16 59.2 59.2 B Morozovella conicotruncata PF 188.16 198.79 60.9 60.9 B Morozovella angulata PF 188.16 198.79 61 61 B Fasciculithus pileatus CN 190.72 191.42 59.3 59.3 B Fasciculithus spp. CN 191.66 192.57 60 60 B Sphenolithus primus CN 192.43 193.33 60.6 60.6 B Chiasmolithus bidens CN 195.43 196.33 60.7 60.7 C27n (y) PMAG 195.43 195.63 60.920 60.920 C27n (o) PMAG 197.83 198.17 61.276 61.276 B Praemurica uncinata PF 198.79 210.49 61.2 61.2 C28n (y) PMAG 204.59 204.74 62.499 62.499 C28n (o) PMAG 209.83 210.03 63.634 63.634 B Chiasmolithus danicus CN 209.94 210.49 64.2 64.2 C29n (y) PMAG 210.98 211.08 63.976 63.976 B Cruciplacolithus tenuis s.s. CN 213.61 213.98 64.5 64.5 B Cruciplacolithus primus CN 213.98 214.95 64.8 64.8 B Praemurica inconstans PF 214.62 215.52 63 63 B Subbotina triloculinoides PF 215.52 216.00 64.5 64.5 T Parvularugoglobigerina eugubina PF 216.29 216.48 64.9 64.9 B Parvularugoglobigerina eugubina PF 216.48 216.58 64.97 64.97 B Micula prinsii CN 221.75 223.98 65.4 65.4 C30n (y) PMAG 224.29 224.28 65.578 65.578