Table T1. Age and stratigraphic position of Paleogene and Neogene seismic horizons in the central equatorial Pacific.
Seismic horizon
identification
Site
Planktonic
foraminiferal
zone
Nannofossil
zone/subzone
Radiolarian
zone
Magnetochron
Age
(Ma)
Neogene (Mayer et al., 1985):



Green 574 N19 CN11

3.8-4.6
Brown 574 N17 CN8 RN9/RN8
8.3-8.8
Purple 574 ?(N16-14) CN7 RN7
9.6-10.5
Red 574 N10 CN4 RN6
13.5-15.0
Lavender 574 ?(N8-N6) CN3 RN5
15.7-17.0
Yellow 574 N4 CN1 RN3/RN2
19-23
Orange 574 N4 CN1 RN2/RN1
21.5-24.6
Paleogene (this volume):



P5 574 P22 CP19 RP21
25-27

1218


Top C8r 26.6

1219


Top C9n 27
P4 574 P19 CP16c RP20
~32

1218


Top C11n.1n 29.4

1219
Lower CP18

29-30
P3 1218
NP21

32.8-33.8

1219


Top C13r 33.7
P2 1217

RP14 C20n? ~43

1219

RP12 C20r? 45-46

1220

RP11
47.4-48.4