Table T9. Interval and depth constraints of calcareous nannofossil events, Hole 1177A.
| Event | Interval (cm) | Depth (mbsf) | ||||
|---|---|---|---|---|---|---|
|
Top
|
Bottom
|
Top
|
Bottom
|
|||
| 190-1177A- | ||||||
| T | Discoaster brouweri | 1R-CC | 1R-CC | 308.65 | ||
| T | Discoaster pentaradiatus | 4R-3, 68-69 | 4R-CC | 324.86 | 337.24 | |
| T | Discoaster surculus | 6R-CC | 7R-4, 75-76 | 351.63 | 362.55 | |
| T | Amaurolithus spp. | 12R-CC | 13R-3, 75-76 | 410.69 | 418.65 | |
| T | Discoaster quinqueramus | 13R-3, 75-76 | 14R-3, 70-71 | 418.65 | 428.20 | |
| T | Discoaster bergenii | 21R-CC | 23R-1, 74-75 | 492.76 | 511.84 | |
| T | Reticulofenestra pseudoumbilicus (>7 µm) | 23R-CC | 26R-1, 49-50 | 513.24 | 540.59 | |
| T | Coccolithus miopelagicus | 32R-1, 68-69 | 32R-CC | 598.48 | 598.61 | |
| B | Discoaster kugleri | 36R-1, 40-41 | 36R-CC | 636.70 | 638.46 | |
| T | Sphenolithus heteromorphus | 39R-CC | 40R-1, 71-72 | 669.45 | 675.51 | |
| T | Helicosphaera ampliaperta | 47R-2, 76-77 | 47R-CC | 744.36 | 751.15 | |
| T | Discoaster druggii | 50R-CC | 54R-CC | 774.64 | 816.50 | |
Note: T = top occurrence, B = bottom occurrence.