Table T5. Datum levels for planktonic foraminifers, Site 1259.
Core, section,
interval (cm)
Depth (mbsf)
Datum
Species
Zone
Age
Age
(Ma)
Top Bottom
207-1259A-






7R-3, 50–54 56.60 58.10 T Paragloborotalia kugleri M1b early Miocene 21.5
9R-7, 50–54 82.00 82.33 B Globoquadrina dehiscens M1b early Miocene 23.2
10R-5, 50–54 89.10 90.60 B Paragloborotalia kugleri M1a early Miocene 23.8
11R-5, 50–54 98.80 99.95 B Globigerina angulosuturalis* P21a early Oligocene 29.4
13R-4, 50–54 115.20 116.70 T Pseudohastigerina spp. P18 early Oligocene 32.0
14R-4, 50–54 124.80 126.30 T Hantkenina spp. P16 late Eocene 33.7
15R-2, 50–54 131.40 132.90 T Morozovella and Acarinina spp. P14 middle Eocene
19R-3, 50–53 171.50 172.70 T Orbulinoides beckmanni P13 middle Eocene 40.1
20R-4, 50–53 184.20 185.60 B Orbulinoides beckmanni P13 middle Eocene 40.5
24R-1, 50–54 214.45 218.30 T Morozovella aragonensis P11 middle Eocene 43.6
27R-1, 50–54 247.00 248.50 B Globigerinatheka mexicana P11 middle Eocene 45.8
30R-CC, 9–12 280.39 285.60 B Guembelitroides nuttali P10 middle Eocene 49.0
33R-1, 50–54 304.90 306.40 B Planorotalites palmerae P9 early Eocene 50.4
33R-CC, 0–5 313.52 323.00 B Morozovella aragonensis* P8 early Eocene 52.3
38R-4, 49–52 356.12 357.59 T Morozovella velascoensis group P5 early Eocene 54.7
43R-CC, 13–18 381.77 406.80 T Globanomalina pseudomenardii P4 late Paleocene 55.9
45R-1, 50–54 420.50 422.00 B Globanomalina pseudomenardii P4 late Paleocene 59.2
45R-CC, 5–11 424.82 436.43 B Igorina albeari P3b late Paleocene 60.0
46R-CC, 29–34 436.43 446.48 B Praemurica uncinata P2 early Paleocene 61.2
47R-CC, 38–43 436.43 446.48 T Abathomphalus mayaroensis KS31 Maastrichtian 65.0
48R-7, 50–54 458.30 458.67 B Abathomphalus mayaroensis KS31 Maastrichtian 68.6
49R-CC, 11–17 467.05 472.75 B Contusotruncana contusa KS30a Maastrichtian 69.6
51R-CC, 14–16 487.51 490.37 B Globotruncana aegyptiaca KS29 late Campanian 73.8
207-1259B-






4R-CC, 15–20 314.78 330.74 T Morozovella formosa* P7 early Eocene 50.8
4R-CC, 15–20 330.74 343.68 B Morozovella aragonensis*

52.3
6R-CC, 10–16 343.68 346.45 T Morozovella velascoensis group P5 early Eocene 54.7
11R-3, 56–60 433.36 442.14 B Igorina albeari* P3b late Paleocene 60.0
12R-4, 53–54 443.37 444.23 T Parvularugoglobigerina eugubina Pa early Paleocene 63.7–64.9
13R-1, 24–25 444.94 454.51 B Parvularugoglobigerina eugubina Pa early Paleocene 64.97
13R-CC, 13–17 444.94 454.51 T Abathomphalus mayaroensis KS31 Maastrichtian 65.0
14R-CC, 0–5 461.51 471.75 B Contusotruncana contusa KS30a Maastrichtian 69.6
15R-CC, 17–22 471.75 475.48 B Gansserina gansseri KS30b Maastrichtian–late Campanian 72.8
17R-CC, 21–25 486.40 495.59 B Globotruncana aegyptiaca KS29 late Campanian 73.8
207-1259C-






1R-CC, 13–18 312.86 326.48 B Morozovella aragonensis P7 early Eocene 52.3
6R-CC, 10–13 354.74 363.49 T Morozovella velascoensis group P5 early Eocene 54.7
8R-7, 66–68 439.20 445.15 T Abathomphalus mayaroensis KS31 Maastrichtian 65.0

Notes: Top and bottom depth values refer to the range of possible depth in the core within which the datum is believed to fall. T = top, B = bottom. * = datums that probably reflect incomplete ranges of the foraminiferal marker species.