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.