Table 2. Calcareous nannofossil datums at Holes 1078A, 1078B, and 1078C.
Event
Age
(Ma)
Zone
(base)
Core, section, interval
(cm)
Depth
(mbsf)
A
B
Top
Bottom
Top
Bottom
Mean




175-1078A- 175-1078A-


FO Emiliania huxleyi acme 0.09 NN21b
2H-5, 75 2H-CC 14.25 16.30 15.28




175-1078B- 175-1078B-


FO Emiliania huxleyi acme 0.09 NN21b
2H-5, 140 2H-CC 14.00 16.35 15.18
FO Emiliania huxleyi 0.26 NN21a CN15 12H-CC 13H-6, 51-56 108.98 117.30 113.14
LO Gephyrocapsa caribbeanica acme 0.26 NN21a CN15 12H-CC 13H-6, 51-56 108.98 117.30 113.14




175-1078C- 175-1078C-


FO Emiliania huxleyi acme 0.09 NN21b
2H-CC 3H-CC 16.48 26.29 21.39
FO Emiliania huxleyi 0.26 NN21a CN15 13H-CC 14H-CC 121.68 128.79 125.24
LO Gephyrocapsa caribbeanica acme 0.26 NN21a CN15 13H-CC 14H-CC 121.68 128.79 125.24

Notes: FO = first occurrence and LO = last occurrence. Zonal codes are those of (A) Martini (1971) and (B) Okada and Bukry (1980).