Table T8. Summary of biostratigraphic age assignments for Site 1094. (See table note.)
| Core,
section, interval (cm) |
Depth (mbsf) |
Depth (mcd) |
Calcareous nannofossil zone |
Calcareous
nannofossil age (Ma) |
Diatom zone |
Diatom
age (Ma) |
Diatom comment | Radiolaria zone |
Radiolaria age (Ma) |
Radiolaria comments |
Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 177-1094A- | |||||||||||
| 1H-CC, 15-20 | 4.57 | 4.57 | T. lentiginosa | 0-0.65 | Omega | 0-0.46 | Barren CN | ||||
| 2H-6, 68-68 | 12.78 | 14.32 | T. lentiginosa | 0-0.65 | Cold-water assemblage, burrow fill | ||||||
| 2H-6, 69-69 | 12.79 | 14.33 | T. lentiginosa | 0-0.65 | Outside burrow | ||||||
| 2H-CC, 14-19 | 13.75 | 15.29 | T. lentiginosa | 0-0.65 | Cold-water assemblage | Barren CN | |||||
| 3H-CC, 13-18 | 22.31 | 24.73 | NN21 | 0-0.26 | T. lentiginosa | 0-0.65 | Warm-water assemblage | Omega | 0-0.46 | ||
| 4H-5, 54-54 | 29.97 | 33.33 | T. lentiginosa | 0-0.65 | Cold-water assemblage, burrow fill | ||||||
| 4H-5, 55-55 | 29.98 | 33.34 | T. lentiginosa | 0-0.65 | Cold-water assemblage beneath burrow | ||||||
| 4H-CC, 14-19 | 31.81 | 35.17 | T. lentiginosa | 0-0.65 | Warm-water assemblage | Barren CN | |||||
| 5H-3, 146-146 | 37.56 | 39.97 | NN21 | 0-0.26 | Omega | 0-0.46 | |||||
| 5H-4, 30-30 | 37.90 | 40.31 | NN20 | 0.26-0.46 | |||||||
| 5H-CC, 12-17 | 41.20 | 43.61 | NN20 | 0.26-0.46 | T. lentiginosa | 0-0.65 | Cold-water assemblage | ||||
| 6H-CC, 11-16 | 50.45 | 53.41 | T. lentiginosa | 0-0.65 | |||||||
| 7H-CC, 9-16 | 60.82 | 62.92 | NN20 | 0.26-0.46 | T. lentiginosa | 0-0.65 | Omega | 0-0.46 | |||
| 8H-CC, 8-13 | 70.59 | 72.73 | T. lentiginosa | 0-0.65 | Cold-water assemblage | Psi | 0.46-0.83 | Barren CN | |||
| 9H-2, 17-17 | 72.77 | 75.57 | ? | ? | |||||||
| 9H-CC, 14-19 | 79.12 | 81.92 | T. lentiginosa | 0-0.65 | Cold-water assemblage | Barren CN | |||||
| 10H-CC, 0-10 | 89.74 | 92.08 | A. ingens Subzone c | 0.65-1.07 | Psi | 0.46-0.83 | Barren CN | ||||
| 11H-CC, 12-17 | 97.98 | 100.78 | NN19 | ? | A. ingens Subzone c | 0.65-1.07 | Cold-water assemblage | ||||
| 12H-4, 119-119 | 11.92 | 106.87 | NN19 | 0.46-0.88 | |||||||
| 12H-CC, 0-10 | 108.25 | 109.83 | A. ingens Subzone c | 0.65-1.07 | Cold-water assemblage | ? | ? | No index | Barren CN | ||
| 13H-2, 132-132 | 111.92 | 114.36 | NN19 | 0.88-0.96 | |||||||
| 13H-3, 42-42 | 112.52 | 114.96 | NN19 | 0.88-0.96 | |||||||
| 13H-CC, 0-10 | 116.82 | 119.26 | NN19 | 0.88-0.96 | A. ingens Subzone c | 0.65-1.07 | Cold-water assemblage | ||||
| 14H-3, 66-66 | 122.26 | 125.07 | NN19 | 0.88-0.96 | |||||||
| 14H-3, 88-88 | 122.48 | 125.29 | NN19 | 0.96-1.08 | |||||||
| 14H-CC, 0-10 | 123.57 | 126.38 | NN19 | 0.96-1.08 | A. ingens Subzone c | 0.65-1.07 | ? | ? | No index, reworked | ||
| 15H-1, 30-30 | 128.40 | 130.72 | NN19 | 0.96-1.08 | |||||||
| 15H-2, 112-112 | 130.72 | 133.04 | NN19 | 1.08-1.24 | |||||||
| 15H-CC, 15-20 | 137.32 | 139.64 | NN19 | 1.08-1.24 | A. ingens Subzone b | 1.07-1.3 | |||||
| 16H-1, 40-40 | 138.00 | 140.32 | NN19 | 1.08-1.24 | |||||||
| 16H-3, 98-98 | 141.58 | 143.90 | NN19 | 1.24-1.46 | |||||||
| 16H-CC, 0-10 | 144.75 | 147.07 | NN19 | 1.24-1.46 | A. ingens Subzone a | 1.3-1.8 | Cold-water assemblage | ? | ? | No index, reworked | |
| 18H-CC, 18-23 | 157.54 | 160.06 | NN19 | 1.46-1.69 | A. ingens Subzone a | 1.3-1.8 | A. ingens acme | ? | ? | No index | |
| 177-1094B- | |||||||||||
| 1H-CC, 7-12 | 9.24 | 9.76 | T. lentiginosa | 0-0.65 | Cold-water assemblage | ||||||
| 2H-CC, 10-15 | 18.87 | 19.89 | T. lentiginosa | 0-0.65 | Warm-water assemblage | Omega | 0-0.46 | ||||
| 3H-CC, 14-19 | 19.14 | 20.16 | T. lentiginosa | 0-0.65 | Warm-water assemblage | ||||||
| 4H-CC, 30-35 | 33.13 | 36.00 | T. lentiginosa | 0-0.65 | Cold-water assemblage | Omega | 0-0.46 | ||||
| 177-1094C- | |||||||||||
| 1H-CC, 19-24 | 8.89 | 9.17 | T. lentiginosa | 0-0.65 | Omega | ||||||
| 2H-CC, 13-18 | 18.80 | 20.52 | T. lentiginosa | 0-0.65 | |||||||
| 3H-CC, 6-13 | 27.97 | 29.73 | T. lentiginosa | 0-0.65 | Cold-water assemblage | Omega | 0-0.46 | ||||
| 5H-CC, 13-18 | 45.70 | 47.37 | T. lentiginosa | 0-0.65 | Omega | 0-0.46 | |||||
| 6H-CC, 13-18 | 55.33 | 57.89 | T. lentiginosa | 0-0.65 | |||||||
| 8H-CC, 0-2 | 67.16 | 69.50 | T. lentiginosa | 0-0.65 | Barren CN | ||||||
| 177-1094D- | |||||||||||
| 2H-CC, 9-14 | 33.83 | 37.48 | NN21 | <0.26 | T. lentiginosa | 0-0.65 | Omega | 0-0.46 | |||
| 3H-CC, 0-10 | 47.03 | 49.52 | T. lentiginosa | 0-0.65 | Barren CN | ||||||
| 4H-CC, 0-10 | 55.99 | 58.88 | T. lentiginosa | 0-0.65 | Omega | 0-0.46 | Barren CN | ||||
| 5H-CC, 0-5 | 57.10 | 59.99 | <0.46 | T. lentiginosa | 0-0.65 | ||||||
| 6H-CC, 0-10 | 76.03 | 77.78 | T. lentiginosa | 0-0.65 | Psi | 0.46-0.83 | |||||
| 7H-2, 87-87 | 78.47 | 81.09 | NN20 | <0.46 | |||||||
| 7H-4, 149-149 | 82.09 | 84.71 | NN19 | 0.46-0.88 | |||||||
| 7H-CC, 0-10 | 82.22 | 84.84 | NN19 | 0.46-0.88 | T. lentiginosa | 0-0.65 | |||||
| 8H-CC, 13-18 | 93.18 | 96.50 | NN19 | 0.46-0.88 | A. ingens Subzone c | 0.65-1.07 | Psi | 0.46-0.83 | |||
| 9H-CC, 12-17 | 100.88 | 103.44 | A. ingens Subzone c | 0.65-1.07 | Barren CN | ||||||
| 10H-CC, 13-18 | 111.02 | 112.36 | A. ingens Subzone c | 0.65-1.07 | Cold-water assemblage | Psi | 0.46-0.83 | Barren CN | |||
| 11H-1, 30-30 | 114.40 | 115.94 | NN19 | 0.88-0.96 | |||||||
| 11H-CC, 22-27 | 119.92 | 121.46 | A. ingens Subzone c | 0.65-1.07 | Cold-water assemblage | Barren CN | |||||
| 12H-CC, 11-16 | 131.63 | 133.17 | NN19 | >1.08 | A. ingens Subzone b | 1.07-1.3 | ? | ? | No index | ||
| 13H-CC, 14-19 | 137.35 | 139.23 | NN19 | 1.08-1.24 | A. ingens Subzone b | 1.07-1.3 | |||||
| 14H-3, 110-110 | 146.70 | 150.42 | NN19 | 1.24-1.46 | |||||||
| 14H-CC, 14-19 | 151.32 | 155.04 | A. ingens Subzone a | 1.3-1.8 | ? | ? | No index | ||||
| 15H-CC, 10-15 | 161.00 | 162.89 | A. ingens Subzone a | 1.3-1.8 | Barren CN | ||||||
| 16H-2, 30-30 | 163.40 | 165.29 | NN19 | 1.24-1.46 | |||||||
| 16H-2, 87-87 | 163.97 | 165.86 | NN19 | 1.46-1.69 | |||||||
| 16H-CC, 0-5 | 167.81 | 169.70 | NN19 | <1.69 | A. ingens Subzone a | 1.3-1.8 | ? | ? | No index |
Notes: CN = calcareous nannofossil. This table is also available in ASCII format in the TABLES directory.