Table T10. Control points used to calculate sedimentation rates at Site 1091.
| Code | Event/Zone/Chron | Depth range of stratigraphic datums | Age (Ma) |
Sedimentation rate (m/m.y.) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | Base | Mean |
|||||||||||
| Core, section, interval (cm) |
Depth (mbsf) |
Depth (mcd) |
Core, section, interval (cm) |
Depth (mbsf) |
Depth (mcd) |
Depth (mbsf) |
Depth (mcd) | ||||||
| 177- | 177- | ||||||||||||
| DIAT | TOP T. lentiginosa Subzone b | 1091E-2H-CC, 9-14 | 9.52 | 19.54 | 1091B-3H-CC, 12-17 | 23.82 | 22.68 | 16.67 | 21.11 | 0.19 | ~145 | ||
| CN | FO E. huxleyi | 1091A-3H-6, 26-26 | 24.16 | 26.34 | 1091A-3H-CC, 12-17 | 25.4 | 27.58 | 24.78 | 26.96 | 0.26 | ~145 | ||
| DIAT | BOT T. lentiginosa Subzone b | 1091A-6H-1, 85-85 | 45.75 | 49.22 | 1091A-6H-1, 135-135 | 46.25 | 49.72 | 46.00 | 49.47 | 0.42 | ~145 | ||
| CN | LO P. lacunosa | 1091A-6H-CC, 7-17 | 53.97 | 57.44 | 1091A-7H-3, 26-26 | 56.60 | 60.41 | 55.28 | 58.92 | 0.46 | ~145 | ||
| RAD | TOP Psi Zone | 1091A-6H-CC, 7-17 | 53.97 | 57.44 | 1091E-6H-CC, 12-17 | 47.17 | 60.53 | 50.57 | 58.98 | 0.46 | ~145 | ||
| DIAT | TOP A. ingens Subzone c | 1091B-8H-CC, 15-20 | 70.62 | 75.51 | 1091A-9H-CC, 11-16 | 81.48 | 85.93 | 76.05 | 80.72 | 0.65 | ~145 | ||
| PMAG | BOT C1n (Brunhes) | 1091A-11H-3, 50-50 | 95.50 | 101.26 | 1091A-12H-1, 50-50 | 102.40 | 109.66 | 98.95 | 105.46 | 0.78 | ~145 | ||
| CN | LO R. asanoi | 1091A-12H-CC, 0-10 | 109.25 | 116.51 | 1091A-13H-4, 104-104 | 116.94 | 123.48 | 113.10 | 120.00 | 0.88-1.02 | ~145 | ||
| RAD | TOP Chi Zone | 1091A-12H-CC, 0-10 | 109.25 | 116.51 | 1091B-13H-CC, 10-15 | 122.09 | 124.20 | 115.67 | 120.36 | 0.83 | ~145 | ||
| CN | RE Gephyrocapsa medium (4-5.5 µm) | 1091A-13H-CC, 6-16 | 121.08 | 127.62 | 1091A-14H-2, 136-136 | 123.76 | 132.37 | 122.42 | 130.00 | 0.96 | ~145 | ||
| DIAT | TOP A. ingens Subzone b | 1091A-15H-3, 136-136 | 137.76 | 147.60 | 1091A-15H-CC, 11-21 | 138.37 | 148.21 | 138.06 | 147.90 | 1.07 | ~145 | ||
| CN | FO R. asanoi | 1091A-15H-5, 136-136 | 137.76 | 147.60 | 1091A-15H-CC, 11-21 | 138.37 | 148.21 | 138.06 | 147.90 | 1.08 | ~145 | ||
| CN | LO Gephyrocapsa large (>5.5 µm) | 1091A-15H-CC, 11-21 | 138.37 | 148.21 | 1091A-16H-3, 130-130 | 144.20 | 158.06 | 141.28 | 153.14 | 1.24 | ~145 | ||
| CN | FO Gephyrocapsa large (>5.5 µm) | 1091A-19H-3, 130-130 | 172.70 | 188.33 | 1091A-19H-CC, 8-14 | 175.69 | 191.82 | 174.20 | 190.08 | 1.46 | ~145 | ||
| DIAT | TOP A. ingens Subzone a | 1091D-20H-CC, 8-15 | 182.89 | 205.32 | 1091A-21H-2, 53-53 | 189.43 | 206.32 | 186.16 | 205.82 | 1.30 | ~145 | ||
| CN | FO Gephyrocapsa medium (4-5.5 µm) | 1091A-23H-4, 30-30 | 211.20 | 231.60 | 1091A-23H-5, 110-110 | 213.50 | 233.90 | 212.35 | 232.75 | 1.69 | ~145 | ||
| DIAT | TOP P. barboi Zone | 1091B-26H-3, 70-70 | 243.08 | 260.35 | 1091A-26H-5 70-70 | 241.60 | 263.29 | 242.34 | 261.82 | 1.80 | ~145 | ||
| RAD | TOP Phi Zone | 1091B-28H-CC, 20-25 | 255.60 | 275.23 | 1091B-29H-CC, 11-16 | 268.87 | 285.04 | 262.24 | 280.14 | 1.92 | ~145 | ||
| DIAT | TOP T. kolbei-F. matuyamae Zone | 1091A-27H-CC, 11-16 | 254.12 | 275.37 | 1091A-28H-2, 70-70 | 256.10 | 278.57 | 255.11 | 276.97 | 2.00 | ~30 | ||
| RAD | TOP Upsilon Zone | 1091A-28H-CC, 22-27 | 263.22 | 285.69 | 1091A-30H-CC, 10-15 | 281.43 | 303.90 | 272.33 | 294.79 | 2.42 | ~30 | ||
| DIAT | TOP T. vulnifica Zone | 1091A-29H-6, 120-120 | 272.10 | 294.31 | 1091A-29H-CC, 13-18 | 273.15 | 295.36 | 272.62 | 294.84 | 2.50 | ~30 | ||
| PMAG | BOT C2r (Matuyama) | 1091A-31H-3, 40-40 | 285.80 | 308.27 | 1091A-31H-5, 30-30 | 288.70 | 311.17 | 287.25 | 309.72 | 2.58 | ~30 | ||
| DIAT | TOP T. insigna Zone | 1091A-31H-5, 112-112 | 289.52 | 311.99 | 1091A-31H-CC, 13-18 | 289.76 | 312.23 | 289.64 | 312.11 | 2.63 | ~30 | ||
| RAD | FO C. davisiana | 1091A-30H-CC, 10-15 | 281.43 | 303.90 | 1091A-32H-CC, 30-35 | 299.17 | 321.64 | 290.30 | 312.77 | 2.61 | ~30 | ||
| DIAT | TOP F. interfrigidara Zone | 1091A-33H-2, 30-31 | 303.20 | 325.67 | 1091A-33H-3, 90-90 | 305.30 | 327.77 | 304.25 | 326.72 | 3.26 | ~30 | ||
Notes: Code abbreviations: CN = calcareous nannofossil, DIAT = diatom, RAD = radiolaria, PMAG = magnetic polarity. Event abbreviations: FO = first occurrence, LO = last occurrence, RE = reentrance, TOP = top of zone, BOT = bottom of zone. This table is also available in ASCII format in the TABLES directory.