Appendix B Table 3. Summary of positions of calcareous nannofossil biohorizons, Hole 1012A.
|
Event
|
Core,
section,
interval (cm) |
Depth
(mcd) |
|---|---|---|
| 167-1012A- | ||
| Pseudoemiliania lacunosa LO | 5H-1, 22 to 5H-3, 19 | 35.59-38.56 |
| Gephyrocapsa sp. 3 FO | 8H-3, 22 to 8H-5, 22 | 68.77-71.77 |
| small Gephyrocapsa spp. AE | 8H-3, 22 to 8H-5, 22 | 68.77-71.77 |
| Helicosphaera sellii LO | 10H-5, 22 to 10H-CC | 92.47-95.75 |
| large Gephyrocapsa LO | 10H-3, 22 to 10H-5, 22 | 89.47-92.47 |
| large Gephyrocapsa LO | 11H-CC to 12H-1, 22 | 105.57-105.79 |
| Gephyrocapsa oceasnica s.l. FO | 12H-6, 114 to 12H-7, 45 | 114.21-115.02 |
| Calcidiscus macintyrei LO | 12H-CC to 13H-1, 21 | 115.07-115.28 |
| Discoaster brouweri LO | 14X-3, 21 to 14X-3, 21 | 129.44-132.44 |
| Discoaster triradiatus AB | 16X-3, 22 to 16X-5, 22 | 149.63-152.63 |
| Discoaster pentaradiatus LO | 18X-CC to 18X-5, 22 | 171.83-175.21 |
| Discoaster surculus LO | 20X-3, 22 to 20X-5, 22 | 181.53-184.53 |
| Discoaster tamalis LO | 22X-5, 22 to 22X-CC | 202.63-206.01 |
| Discoaster pentaradiatus PE | 25X-5, 22 to 25X-CC | 231.33-233.91 |
| Pseudoemiliania lacunosa FCO | ?27X-3, 22 to 27X-5, 21 | 247.63-250.63 |
| Reticulofenestra pseudoumbilicus LO | 29X-4, 22 to 29X-CC | 266.33-272.59 |
| Amaurolithus delicatus LO | 29X-4, 22 to 29X-CC | 266.33-272.59 |
Notes: FO = first occurrence, LO = last occurrence, FCO = first common occurrence. AB = acme beginning, AE = acme end, PE = paracme end. ? = doubtful position of biohorizon.