| Hole 1261A |
| Latitude: 9°2.9168´N |
| Longitude: 54°19.0384´W |
| Time on site: 152.80 (1547 hr, 16 Feb–0035 hr, 23 Feb 2003) |
| Time on hole: 67.88 (0147 hr, 16 Feb–1140 hr, 19 Feb 2003) |
| Seafloor (drill pipe measurement from rig floor, mbrf): 1911.1 |
| Distance between rig floor and sea level (m): 11.4 |
| Water depth (drill pipe measurement from sea level, m): 1899.7 |
| Total depth (drill pipe measurement from rig floor, mbrf): 2580.6 |
| Total penetration (meters below seafloor, mbsf): 669.5 |
| Total length of cored section (m): 484.0 |
| Total length of drilled intervals (m): 185.5 |
| Total core recovered (m): 355.42 |
| Core recovery (%): 73.4 |
| Total number of cores: 51 |
| Total number of drilled intervals: 4 |
| Hole 1261B |
| Latitude: 9°2.9177´N |
| Longitude: 54°19.0491´W |
| Time on hole: 84.92 (1250 hr, 19 Feb–0035 hr, 23 Feb 2003) |
| Seafloor (drill pipe measurement from rig floor, mbrf): 1911.1 |
| Distance between rig floor and sea level (m): 11.4 |
| Water depth (drill pipe measurement from sea level, m): 1899.7 |
| Total depth (drill pipe measurement from rig floor, mbrf): 2585.2 |
| Total penetration (meters below seafloor, mbsf): 674.1 |
| Total length of cored section (m): 148.8 |
| Total length of drilled intervals (m): 525.3 |
| Total core recovered (m): 92.49 |
| Core recovery (%): 62.2 |
| Total number of cores: 16 |
| Total number of drilled intervals: 1 |
|
Core
|
Date
(Feb 2003) |
Local time
(hr) |
Depth (mbsf)
|
Length (m)
|
Recovery (%)
|
Remarks
|
||
|---|---|---|---|---|---|---|---|---|
|
Top
|
Bottom
|
Cored
|
Recovered
|
|||||
| 207-1261A- |
|
|
|
|
|
|
|
|
| 1R | 16 | 2010 | 0.0 | 3.9 | 3.9 | 3.90 | 100.0 |
|
| 2R | 16 | 2100 | 3.9 | 13.2 | 9.3 | 0.71 | 7.6 |
|
| 3R | 16 | 2135 | 13.2 | 22.5 | 9.3 | 1.62 | 17.4 |
|
|
|
|
|
*****Drilled from 22.5 to 69.7 mbsf***** |
|
|
|||
| 4R | 17 | 0115 | 69.7 | 79.3 | 9.6 | 3.26 | 34.0 |
|
|
|
|
|
*****Drilled from 79.3 to 131.4 mbsf***** |
|
|
|||
| 5R | 17 | 0420 | 131.4 | 141.1 | 9.7 | 8.15 | 84.0 |
|
|
|
|
|
*****Drilled from 141.1 to 189.1 mbsf***** |
|
|
|||
| 6R | 17 | 0700 | 189.1 | 198.7 | 9.6 | 9.10 | 94.8 |
|
|
|
|
|
***** Drilled from 198.7 to 236.9 mbsf***** |
|
|
|||
| 7R | 17 | 0935 | 236.9 | 246.5 | 9.6 | 9.18 | 95.6 |
|
| 8R | 17 | 1030 | 246.5 | 256.2 | 9.7 | 9.27 | 95.6 |
|
| 9R | 17 | 1120 | 256.2 | 265.8 | 9.6 | 8.61 | 89.7 |
|
| 10R | 17 | 1210 | 265.8 | 275.4 | 9.6 | 8.28 | 86.3 |
|
| 11R | 17 | 1300 | 275.4 | 285.1 | 9.7 | 9.56 | 98.6 |
|
| 12R | 17 | 1340 | 285.1 | 294.7 | 9.6 | 8.16 | 85.0 |
|
| 13R | 17 | 1425 | 294.7 | 304.4 | 9.7 | 8.90 | 91.8 |
|
| 14R | 17 | 1505 | 304.4 | 314.0 | 9.6 | 9.11 | 94.9 |
|
| 15R | 17 | 1550 | 314.0 | 323.6 | 9.6 | 9.05 | 94.3 |
|
| 16R | 17 | 1625 | 323.6 | 333.3 | 9.7 | 8.01 | 82.6 |
|
| 17R | 17 | 1710 | 333.3 | 342.9 | 9.6 | 9.84 | 102.5 |
|
| 18R | 17 | 1800 | 342.9 | 352.5 | 9.6 | 8.85 | 92.2 |
|
| 19R | 17 | 1840 | 352.5 | 362.1 | 9.6 | 9.70 | 101.0 |
|
| 20R | 17 | 1915 | 362.1 | 371.8 | 9.7 | 9.59 | 98.9 |
|
| 21R | 17 | 2000 | 371.8 | 381.4 | 9.6 | 3.76 | 39.2 |
|
| 22R | 17 | 2040 | 381.4 | 391.1 | 9.7 | 3.70 | 38.1 |
|
| 23R | 17 | 2135 | 391.1 | 400.7 | 9.6 | 9.87 | 102.8 |
|
| 24R | 17 | 2225 | 400.7 | 410.3 | 9.6 | 6.46 | 67.3 |
|
| 25R | 17 | 2315 | 410.3 | 419.9 | 9.6 | 6.84 | 71.3 |
|
| 26R | 17 | 2355 | 419.9 | 429.5 | 9.6 | 5.99 | 62.4 |
|
| 27R | 18 | 0055 | 429.5 | 439.1 | 9.6 | 3.94 | 41.0 |
|
| 28R | 18 | 0236 | 439.1 | 448.7 | 9.6 | 9.89 | 103.0 |
|
| 29R | 18 | 0410 | 448.7 | 458.3 | 9.6 | 5.54 | 57.7 |
|
| 30R | 18 | 0525 | 458.3 | 467.6 | 9.3 | 2.86 | 30.8 |
|
| 31R | 18 | 0630 | 467.6 | 477.2 | 9.6 | 0.58 | 6.0 |
|
| 32R | 18 | 0755 | 477.2 | 486.8 | 9.6 | 9.99 | 104.1 |
|
| 33R | 18 | 0920 | 486.8 | 496.5 | 9.7 | 5.94 | 61.2 | K/T recovered |
| 34R | 18 | 1040 | 496.5 | 506.1 | 9.6 | 5.82 | 60.6 |
|
| 35R | 18 | 1210 | 506.1 | 515.7 | 9.6 | 7.25 | 75.5 |
|
| 36R | 18 | 1320 | 515.7 | 525.3 | 9.6 | 8.71 | 90.7 |
|
| 37R | 18 | 1420 | 525.3 | 535.0 | 9.7 | 10.01 | 103.2 |
|
| 38R | 18 | 1530 | 535.0 | 544.6 | 9.6 | 0.05 | 0.5 |
|
| 39R | 18 | 1655 | 544.6 | 554.2 | 9.6 | 5.11 | 53.2 |
|
| 40R | 18 | 1825 | 554.2 | 563.8 | 9.6 | 8.00 | 83.3 |
|
| 41R | 18 | 1940 | 563.8 | 573.4 | 9.6 | 9.90 | 103.1 |
|
| 42R | 18 | 2050 | 573.4 | 583.0 | 9.6 | 9.69 | 100.9 |
|
| 43R | 18 | 2205 | 583.0 | 592.6 | 9.6 | 7.15 | 74.5 |
|
| 44R | 18 | 2320 | 592.6 | 602.2 | 9.6 | 7.94 | 82.7 |
|
| 45R | 19 | 0045 | 602.2 | 611.8 | 9.6 | 6.06 | 63.1 |
|
| 46R | 19 | 0220 | 611.8 | 621.4 | 9.6 | 7.41 | 77.2 |
|
| 47R | 19 | 0335 | 621.4 | 631.0 | 9.6 | 8.81 | 91.8 |
|
| 48R | 19 | 0450 | 631.0 | 640.6 | 9.6 | 8.97 | 93.4 |
|
| 49R | 19 | 0600 | 640.6 | 650.2 | 9.6 | 9.18 | 95.6 |
|
| 50R | 19 | 0735 | 650.2 | 659.8 | 9.6 | 4.69 | 48.9 |
|
| 51R | 19 | 0920 | 659.8 | 669.5 | 9.7 | 2.46 | 25.4 |
|
|
|
|
|
Cored totals: | 484.0 | 355.42 | 73.4 |
|
|
|
|
|
|
Drilled total: | 185.5 |
|
|
|
|
|
|
|
|
|
Total: | 669.5 |
|
|
|
| 207-1261B- |
|
|
|
|
|
|
|
|
|
|
|
|
*****Drilled from 0.0 to 525.3 mbsf***** |
|
|
|||
| 1R | 20 | 1335 | 525.3 | 530.0 | 4.7 | 0.00 | 0.0 | No recovery |
| 2R | 20 | 1425 | 530.0 | 539.6 | 9.6 | 4.29 | 44.7 |
|
| 3R | 20 | 1515 | 539.6 | 549.2 | 9.6 | 7.81 | 81.4 |
|
| 4R | 20 | 1620 | 549.2 | 558.8 | 9.6 | 7.77 | 80.9 |
|
| 5R | 20 | 1705 | 558.8 | 568.4 | 9.6 | 9.54 | 99.4 |
|
| 6R | 20 | 1750 | 568.4 | 578.0 | 9.6 | 9.43 | 98.2 |
|
| 7R | 20 | 1835 | 578.0 | 587.6 | 9.6 | 7.86 | 81.9 |
|
| 8R | 20 | 1935 | 587.6 | 597.2 | 9.6 | 3.82 | 39.8 |
|
| 9R | 20 | 2030 | 597.2 | 606.8 | 9.6 | 7.02 | 73.1 |
|
| 10R | 20 | 2115 | 606.8 | 616.4 | 9.6 | 4.59 | 47.8 |
|
| 11R | 20 | 2205 | 616.4 | 626.0 | 9.6 | 3.26 | 34.0 |
|
| 12R | 20 | 2255 | 626.0 | 635.6 | 9.6 | 9.45 | 98.4 |
|
| 13R | 20 | 2345 | 635.6 | 645.2 | 9.6 | 9.58 | 99.8 |
|
| 14R | 21 | 0040 | 645.2 | 654.8 | 9.6 | 5.27 | 54.9 |
|
| 15R | 21 | 0145 | 654.8 | 664.5 | 9.7 | 1.32 | 13.6 |
|
| 16R | 21 | 0520 | 664.5 | 674.1 | 9.6 | 1.48 | 15.4 |
|
|
|
|
|
Cored totals: | 148.8 | 92.49 | 62.2 |
|
|
|
|
|
|
Drilled total: | 525.3 |
|
|
|
|
|
|
|
|
|
Total: | 674.1 |
|
|
|
Note: K/T = Cretaceous/Tertiary.