Table T1. Distribution of selected calcareous nannofossils at the Paleocene/Eocene boundary, Hole 1266C.
Core, section, interval (cm)
Depth (mcd)
Nannofossil zone
Total abundance
Preservation
Biantholithus spp.
Biscutum spp.
Braarudosphaera spp.
Campylosphaera spp.
Chiasmolithus bidens
Chiasmolithus consuetus
Chiasmolithus solitus
Chiasmolithus spp.
Coccolithus pelagicus
Coccolithus spp.
Cruciplacolithus spp.
Discoaster anartios
Discoaster araneus
Discoaster lenticularis
Discoaster mohleri
Discoaster multiradiatus
Discoaster nobilis
Discoaster diastypus
Discoaster cf. D. lodoensis
Discoaster salisburgensis
Ellipsolithus distichus
Ellipsolithus macellus
Ericsonia spp.
Fasciculithus alanii
Fasciculithus clinatus
Fasciculithus hayi
Fasciculithus involutus
Fasciculithus thomasii
Fasciculithus tympaniformis
Fasciculithus spp.
Hornibrookina spp.
Markalius spp.
Neochiastozygus spp.
Neococcolithes spp.
Pontosphaera spp.
Prinsius spp.
Rhomboaster bramlettei s.a.
Rhomboaster bramlettei l.a.
Rhomboaster bramlettei var. T
Rhomboaster cf. R. contortus
Sphenolithus anarrhopus
Sphenolithus moriformis
Sphenolithus primus
Thoracosphaera spp.
Toweius eminens
Toweius pertusus
Toweius spp.
Tribrachiatus cf. T. digitalis
Placozygus spp.
Zygrhablithus bijugatus
208-1266C-
17H-2, 46–47 304.61 NP 10
V M R RR
R F RR RR F A F




F F










R R
RR


RR




F F RR
C

RR A
17H-2, 58–59 304.73 V M
RR

F R RR R A R R


R F R










R R



RR





RR R RR
C

RR A
17H-2, 70–71 304.85 V M
cf



RR R A R



R C R










F F
RR








F F

C RR
RR A
17H-2, 91–92 305.06 V M
RR
R RR R R R A F R


R C F


RR






F F
R
RR RR





F F

C

RR C
17H-2, 106–107 305.21 V M
RR
R
R RR F A R R



C R


RR






F F



R






R RR R C

R A
17H-2, 118–119 305.33 V M
cf
F F RR RR F A R R


RR C RR


RR






F F
RR RR

RR




F F RR R C

R C
17H-2, 127–128 305.42 V M
RR
R RR R RR F A F R

RR RR C R










F F RR R

RR





F F
R C

RR C
17H-2, 139–140 305.54 V M
RR
RR F RR RR F A R R


RR C F



RR





F F
RR

RR


RR

RR F

C


A
17H-3, 4–5 305.69 V M
cf
R RR RR R R A R R



F F



RR





R R R R
RR RR


RR

RR F RR R F F RR RR C
17H-3, 19–20 305.84 V M R RR
R RR R RR R A R F


RR C C










R R
RR

RR
RR



RR F RR F C R RR RR A
17H-3, 28–29 305.93 V M
RR
F RR R RR R A RR RR



F F RR









R F
RR








RR F
F C

RR A
17H-3, 33–34 305.98 V M


R F R R R A F R



F F




RR




R R







RR

F F RR F C
RR R A
17H-3, 37–38 306.02 C M
RR
R F R RR R A R R


RR F R










F RR
R






RR

F RR F C

RR A
17H-3, 40–41 306.05 V M RR RR
R
R R R A RR R



C F




RR




F F
RR








F F RR R C


A
17H-3, 43–44 306.08 V M R RR RR F
RR RR RR A R F



F F



R RR




RR RR
RR








RR F
F C

RR A
17H-3, 46–47 306.11 V M RR

RR F R RR F A R F



C F




RR




R R
RR


RR RR


RR
F RR R C


A
17H-3, 51–52 306.16 V M RR RR
RR
RR RR R A R RR


F C F


RR RR





F F
RR








RR F
R C

RR A
17H-3, 54–55 306.19 V M R RR RR F
RR RR
A R



R C F



R





F R
RR RR R

RR



RR F R R C

RR A
17H-3, 57–58 306.22 V M


R RR R RR RR A R RR


R F F



RR RR




C F



RR


RR RR
RR C RR RR F R
RR C
17H-3, 60–61 306.25 C M RR R
F
R RR
A
RR


RR F F




RR




F C
RR



RR
RR

F C R RR F

R C
17H-3, 63–64 306.28 V M R

R
RR RR
A F



R C F




RR




F F
RR
R



RR RR
RR C R RR C
RR RR C
17H-3, 66–67 306.31 V M RR RR
R RR R RR
A RR



R F C


RR RR RR


RR
C C
RR



RR



F C R F C RR
R F
17H-3, 68–69 306.33 C M


RR
RR RR
A RR



R C F







RR RR
C C
R
RR

RR
RR RR
RR C RR R F RR
RR F
17H-3, 70–71 306.35 A M


R
RR RR
A
RR


R C C






RR


C C
RR



RR

RR
F C R R F RR
RR R
17H-3, 72–73 306.37 C M R RR
R
RR RR
A



RR R R R




RR




C C
F RR

RR RR cf RR

RR C RR F F RR

F
17H-3, 74–75 306.39 V M RR RR
RR
RR RR
A RR



R F R




RR


RR
C C
R RR
RR
R

RR

C R F F

RR R
17H-3, 75–76 306.40 V M
RR
RR
RR RR RR A RR



R C R










C C
R RR


R



F C R F F

RR R
17H-3, 78–79 306.43 C M




RR RR
A



RR R C F







RR

C C
RR



R
RR RR

C RR R F


F
17H-3, 80–81 306.45 C M
RR

RR RR RR RR C




R C F RR RR








A C
RR



R



RR F RR RR F

RR R
17H-3, 83–84 306.48 V M R




RR RR A
RR RR

R R R
RR






R
A A
RR



R RR RR


F
R F RR

R
17H-3, 84–85 306.49 V M RR R
RR RR R RR
A



RR R F R
RR






R
A C
R RR


R



F F R F F RR

RR
17H-3, 85–86 306.50 C M RR RR
RR RR
RR
A RR
RR RR

C R RR



RR


RR
A C
RR



RR




F RR F F RR


17H-3, 86–87 306.51 C M





RR RR C R RR RR RR

C R
cf RR



RR RR R
A C
R


RR R
RR RR

C RR R F



17H-3, 87–88 306.52 V M R


RR
RR
C F
RR

R C F RR cf RR RR




RR
A C
F RR


RR



RR C RR R F


RR
17H-3, 88–89 306.53 V M





RR
C F RR RR


F R RR




RR
RR

C C
RR



RR RR RR

RR C RR F F



17H-3, 89–90 306.54 C M



RR RR RR RR C F
RR
RR RR F F RR









C C
R



R RR



C RR F F


RR
17H-3, 90–91 306.55 V M
RR



RR
A F RR

RR RR C F RR cf


RR




A C
F



RR




C R F F RR

RR
17H-3, 91–92 306.56 V M
RR


R R RR A R RR RR
RR
C F RR RR R

R




A F
R



RR RR


RR C RR F F R
R R
17H-3, 92–93 306.57 C M


RR

RR R A F RR RR
RR R F F RR



RR RR

R
A C
R



RR



RR F RR R R RR
R
17H-3, 93–94 306.58 V M




RR RR RR A F
RR

RR C R RR
RR

R
RR RR RR RR A C
R








F F RR F F RR


17H-3, 94–95 306.59 C M
RR


R RR
A RR RR RR
RR R C RR RR cf RR

RR
R


A F
RR



RR RR


F C R F F


RR
17H-3, 95–96 306.60 C M




R RR RR A R R RR RR RR
C RR RR
RR


RR

RR RR C F
RR


R RR



F C RR F R R

RR
17H-3, 96–97 306.61 V M




RR RR RR A RR RR RR

RR C F RR RR


R
RR

RR A F
RR



RR



F C RR F F RR


17H-3, 98–99 306.63 R M





RR
A RR
RR

RR A F
cf
RR
R R RR R R RR C F










F C RR R R F

RR
17H-3, 100–101 306.65 R M




RR R
A R
RR
RR
C R cf cf


F R R RR RR RR C F
RR








RR C RR F F F


17H-3, 101–102 306.66 R M




RR RR
C

RR

RR A F










C F





RR




F RR RR F



17H-3, 102–103 306.67 R P





RR
F

RR RR
RR A C










C F











R
R RR



17H-3, 103–104 306.68 RR P














C











C C











C






17H-3, 104–105 306.69 R P





R
F





C F










A C





F




F

RR



17H-3, 105–106 306.70 RR P














RR

































17H-3, 106–107 306.71 R P


RR

RR
C





C F





RR


RR A F





RR






R R



17H-3, 107–108 306.72 R P R


RR RR RR
A

RR


C F cf



F RR R
R RR C F
RR



RR



F F RR F F R


17H-3, 108–109 306.73 R P





R
C R




C R




R




A C










F C RR R F



17H-3, 109–110 306.74 NP 9
R P





RR RR A RR
R RR

C R cf



R RR R

RR C C
RR

R





F C
F F RR

RR
17H-3, 110–111 306.75 RR P





R
F

RR


F R





R



A R











C RR R R



17H-3, 111–112 306.76 RR P














RR



























RR




17H-3, 112–113 306.77 C P R

R RR R RR R A




R C C


R




R
C C



RR RR




F F
R C

RR
17H-3, 113–114 306.78 V M RR RR
RR
R R R A RR RR


R C F


RR
RR RR RR RR R
C R
R RR
R R




F C R C C R

RR
17H-3, 114–115 306.79 V M
RR

RR R R R A
RR


R C C





RR
RR RR
C C



RR





RR F
C C


RR
17H-3, 115–116 306.80 V M


RR RR R RR R A
RR


RR C C






RR RR

C R

RR
RR R




F C
F C R
RR
17H-3, 117–118 306.82 V M RR R RR
F R RR R A
RR


RR C F


RR

RR RR RR RR
F F

RR
R R




RR F RR F C RR
RR R
17H-3, 119–120 306.84 V M RR RR
RR RR R R R A R



R C R


R
RR
R
R
F F

RR
R F




F C R F C

R RR
17H-3, 121–122 306.86 V M
RR
RR F R RR RR A RR RR


R C R


R


RR RR RR
F F

RR
R R




F F R F C R
RR F
17H-3, 123–124 306.88 V M
RR
RR RR R R RR A RR RR


R C F


R
RR

RR

F F

RR
R R




F F RR F A RR
RR F
17H-3, 127–128 306.92 V M RR R RR RR RR R F R A RR



RR C F


R


RR


F F



RR R



RR F F RR C C R
RR F
17H-3, 129–130 306.94 V M
RR
R RR R R RR A R R

RR RR F F


RR RR
RR RR RR RR
F F

RR R RR F



RR F F RR F C R
R R
17H-3, 131–132 306.96 V M
RR
RR
RR R R A
R


RR C F


RR
RR RR



F F

RR R R R




F C RR C C R
F F
17H-3, 133–134 306.98 V M
R RR
RR R R R A
R


R C F


RR RR

RR


C R

RR
RR RR




F F R F A RR
RR C
17H-3, 135–136 307.00 V M
R
RR RR F RR RR A
RR

RR R C F


RR RR RR RR RR RR

F F

RR RR R R




F F R F C RR
F F
17H-3, 137–138 307.02 V M
R


RR R R A




RR C F


RR


RR


F F



R F




F F RR F C R
R F
17H-3, 139–140 307.04 V M
RR


RR RR RR A
RR


R F R


RR RR RR RR RR RR RR
C F

RR RR RR F



RR F C RR C C RR
RR R
17H-3, 141–142 307.06 V M R RR


R R
A
R


R C F


RR

R RR
RR
C F

RR
R R




F F RR F C R
R F
17H-3, 143–144 307.08 V M
RR
RR
R RR
A
RR


R C R


RR
RR RR RR RR

F F

RR
RR F




F F
C C R
RR F
17H-3, 145–146 307.10 V M R RR


RR R RR A
RR


RR C F


RR RR RR
RR
R
C F

RR
R R




F F RR F C

R R
17H-3, 147–148 307.12 V M R R
R
R R
A
R

R F C R


RR
R RR R
RR
C R

R
R F




F F RR R C

R F
17H-3, 149–150 307.14 V M RR R
RR
RR R
A
R


F C R


RR F RR RR
R R
F F

RR F R F



R F F R C C RR
R F

Notes: Nannofossil zones from Martini (1971). Abundance: V = very abundant, A = abundant, C = common, F = few, R = rare, RR = very rare, cf = compare. Shaded area = dissolution interval.