Table T3. Calcareous nannofossil datum levels and their assigned age estimates, Hole 1169A.

Datum Age
(Ma)
Interval (cm)   Depth (mbsf) Mean
(m)
Error bar
(m)
References
Top
Bottom
Top
Bottom
LO Reticulofenestra pseudoumbilica 3.65 3H-CC 4H-CC
27.90 37.35 32.63 4.73 Berggren et al., 1995
LO Amaurolithus primus 4.60 5H-CC 6H-CC
46.79 56.11 51.45 4.66 Berggren et al., 1995
LO Discoaster loeblechii 6.80 23X-3, 44 23X-4, 25
211.34 212.65 212.00 0.66 Berggren et al., 1995
LO Amaurolithus delicatus 6.90 23X-CC 24X-1, 120
214.19 215.39 214.79 0.60 Gartner, 1992
FO Discoaster loeblechii 8.70 24X-1, 120 24X-2, 60
218.70 219.60 219.15 0.45 Berggren et al., 1995
LO Cyclicargolithus floridanus 11.90 24-3, 10 24-4, 35
220.60 222.05 221.33 0.73 Gartner, 1992

Notes: The depth of each datum is assigned at the midpoint between depths of observed samples. LO = last occurrence, FO = first occurrence.