Table T4. Summary of key nannofossil biohorizons, Hole 1068A.

Calcareous nannofossil
event
Top core,
section, interval (cm)
Bottom core,
section, interval (cm)
Depth
(mbsf)

173-1068A- 173-1068A-
FO R. inflata 1R-6, 36-37 1R-CC 719.36
FO D. sublodoensis 5R-1, 121-122 5R-2, 35-36 751.43
LO T. orthostylus 6R-3, 33-34 6R-3, 121-122 763.37
FO D. lodoensis 6R-5, 122-123 6R-6, 123-124 767.58
LO T. contortus 6R-CC, 17-19 6R-CC, 23-25 769.50
FO D. diastypus 8R-3, 7-8 8R-4, 44-45 782.91

Notes: The depth indicated is the average depth between two samples. LO = last occurrence; FO = first occurrence.