Table T15. Age-depth control points, Site 1263.
Datum
Type
Upper
depth
(mcd)
Lower
depth (mcd)
Minimum
age
(Ma)
Maximum
age
(Ma)
T Globigerinoides obliquus PF 2.29 12.07 1.3 1.3
T Globigerina apertura PF 2.29 12.07 1.68 1.68
B Globorotalia truncatulinoides PF 2.29 12.07 2.03 2.03
T Globoturborotalia woodi PF 2.29 12.07 2.3 2.3
T Sphaeroidinellopsis seminulina PF 12.07 23.29 3.18 3.18
B Globorotalia tosaensis PF 12.07 23.29 3.35 3.35
T Neogloboquadrina acostaensis PF 12.07 23.29 3.83 3.83
T Globorotalia plesiotumida PF 12.07 23.29 4.15 4.15
B Globorotalia crassaformis s.l. PF 23.29 34.68 4.31 4.31
B Sphaeroidinella dehiscens s.l. PF 23.29 34.68 4.94 4.94
B Sphenolithus ciperoensis CN 48.00 49.00 27.55 27.55
B Paragloborotalia opima PF 56.35 62.71 30.54 30.54
B Sphenolithus distentus CN 56.35 68.72 30.32 30.32

C12n (y) PMAG 62.41 65.76 30.476 30.476
T Subbotina angiporoides PF 62.71 68.72 29.67 29.67

C12n (o) PMAG 67.86 70.56 30.939 30.939
T "Globigerina" "ampliapertura" PF 68.72 73.69 30.12 30.12
T Pseudohastigerina spp. PF 68.72 73.69 32 32
T Reticulofenestra umbilicus >14 µm CN 75.91 76.46 31.7 31.7

C13n (y) PMAG 83.62 88.14 33.058 33.058
T Ericsonia formosa CN 85.52 86.47 32.9 32.9

C13n (o) PMAG 89.42 91.74 33.545 33.545

Increase Ericsonia obruta CN 94.49 95.04 33.7 33.7
T Turborotalia cerroazulensis PF 96.13 99.97 33.8 33.8
T Hantkenina spp. PF 99.97 108.13 33.7 33.7
T Globigerinatheka index PF 99.97 108.13 34.3 34.3
T Discoaster saipanensis CN 103.87 104.33 34 34
T Globigerinatheka semiinvoluta PF 109.79 117.80 35.3 35.3
B Istmolithus recurvus CN 116.30 116.85 36.6 36.6
T Acarinina primitiva PF 118.73 129.67 39 39
T Chiasmolithus grandis CN 123.58 124.88 37.1 37.1
B Dictyococcites bisectus CN 135.45 136.15 38.5 38.5
B Dictyococcites scrippsae CN 138.74 141.80 40.3 40.3

C19n (y) PMAG 147.80 148.22 41.257 41.257

C19n (o) PMAG 149.20 149.82 41.521 41.521
T Nannotetrina spp. CN 155.75 157.64 42.3 42.3
T Reticulofenestra umbilicus >14 µm CN 159.14 160.09 42.5 42.5
T Morozovella aragonensis PF 172.54 177.02 43.6 43.6
T Discoaster lodoensis CN 215.04 216.04 48 48
B Rhabdosphaera inflata CN 222.69 222.74 48.5 48.5
B Discoaster sublodoensis CN 228.68 229.28 49.3 49.3
T Tribrachiatus orthostylus CN 247.15 247.70 51 51
T Morozovella formosa PF 256.09 260.27 50.8 50.8
B Morozovella aragonensis PF 272.07 281.38 52.76 52.76
B Discoaster lodoensis CN 275.58 276.53 52.4 52.4
T Morozovella aequa PF 281.38 283.79 52.89 52.89
T Discoaster multiradiatus CN 286.42 287.92 53 53
B Sphenolithus radians CN 287.92 289.42 53.3 53.3
B Tribrachiatus orthostylus CN 295.30 296.20 53.4 53.4
B Morozovella formosa PF 316.29 318.00 54 54
T Subbotina triangularis PF 327.93 329.99 54.07 54.07
B Subbotina velascoensis PF 327.93 329.99 54.17 54.17
B Discoaster diastypus CN 328.78 329.99 53.9 53.9
B Globanomalina australiformis PF 329.99 335.09 55.5 55.5
B Igorina broedermanni PF 335.09 335.15 54.7 54.7
T Stensioeina beccariiformis BF 335.61 335.71 55.0 55.0
T Globanomalina pseudomenardii PF 348.97 352.73 55.9 55.9
T Acarinina mckannai PF 348.97 352.73 56.3 56.3
B Morozovella subbotinae PF 356.08 367.53 55.9 55.9
B Morozovella aequa PF 356.08 367.53 56.5 56.5
B Discoaster multiradiatus CN 357.50 358.25 56.2 56.2
B Discoaster nobilis CN 366.34 367.18 56.5 56.5
B Acarinina soldadoensis PF 371.06 380.56 56.5 56.5
B Heliolithus riedelii CN 388.15 388.65 57.3 57.3
B Discoaster mohleri CN 389.65 390.45 57.5 57.5
B Heliolithus kleinpellii CN 400.23 400.65 58.2 58.2
B Sphenolithus anarrhopus CN 400.23 400.65 58.4 58.4

Notes: T = top, B = bottom. o = oldest, y = youngest. PF = planktonic foraminifers, CN = calcareous nannoplankton, BF = benthic foraminifers, PMAG = paleomagnetic reversals. This table is also available in ASCII.