| Hole 1258A |
| Latitude: 9°26.0003´N |
| Longitude: 54°43.9994´W |
| Time on site: 229.75 (1815 hr, 22 Jan–0750 hr, 1 Feb 2003) |
| Time on hole: 63.92 (1815 hr, 22 Jan–1010 hr, 25 Jan 2003) |
| Seafloor (drill pipe measurement from rig floor, mbrf): 3203.2 |
| Distance between rig floor and sea level (m): 11.0 |
| Water depth (drill pipe measurement from sea level, m): 3192.2 |
| Total depth (drill pipe measurement from rig floor, mbrf): 3650.7 |
| Total penetration (meters below seafloor, mbsf): 447.5 |
| Total length of cored section (m): 447.5 |
| Total core recovered (m): 375.46 |
| Core recovery (%): 83.9 |
| Total number of cores: 50 |
| Total number of drilled intervals: 0 |
| Hole 1258B |
| Latitude: 9°26.0003´N |
| Longitude: 54°43.9825´W |
| Time on hole: 72.0 (1010 hr, 25 Jan–1010 hr, 28 Jan 2003) |
| Seafloor (drill pipe measurement from rig floor, mbrf): 3203.2 |
| Distance between rig floor and sea level (m): 11.0 |
| Water depth (drill pipe measurement from sea level, m): 3192.2 |
| Total depth (drill pipe measurement from rig floor, mbrf): 3664.1 |
| Total penetration (meters below seafloor, mbsf): 460.9 |
| Total length of cored section (m): 453.9 |
| Total length of drilled intervals (m): 7.0 |
| Total core recovered (m): 346.13 |
| Core recovery (%): 76.3 |
| Total number of cores: 57 |
| Total number of drilled intervals: 1 |
| Hole 1258C |
| Latitude: 9°25.9999´N |
| Longitude: 54°43.9662´W |
| Time on hole: 93.83 (1010 hr, 28 Jan–0750 hr, 1 Feb 2003) |
| Seafloor (drill pipe measurement from rig floor, mbrf): 3203.2 |
| Distance between rig floor and sea level (m): 11.00 |
| Water depth (drill pipe measurement from sea level, m): 3192.2 |
| Total depth (drill pipe measurement from rig floor, mbrf): 3688.2 |
| Total penetration (meters below seafloor, mbsf): 485.0 |
| Total length of cored section (m): 215.2 |
| Total length of drilled intervals (m): 269.8 |
| Total core recovered (m): 161.08 |
| Core recovery (%): 74.9 |
| Total number of cores: 34 |
| Total number of drilled intervals: 3 |
|
Core
|
Date
(Jan 2003) |
Local time
(hr) |
Depth (mbsf)
|
Length (m)
|
Recovery (%)
|
Remarks
|
||
|---|---|---|---|---|---|---|---|---|
|
Top
|
Bottom
|
Cored
|
Recovered
|
|||||
| 207-1258A- |
|
|
|
|
|
|
|
|
| 1R | 23 | 0050 | 0.0 | 5.1 | 5.1 | 5.09 | 99.8 |
|
| 2R | 23 | 0150 | 5.1 | 14.2 | 9.1 | 6.44 | 70.8 |
|
| 3R | 23 | 0235 | 14.2 | 23.8 | 9.6 | 8.79 | 91.6 |
|
| 4R | 23 | 0315 | 23.8 | 33.2 | 9.4 | 6.58 | 70.0 |
|
| 5R | 23 | 0405 | 33.2 | 42.8 | 9.6 | 5.44 | 56.7 | AHC on |
| 6R | 23 | 0445 | 42.8 | 52.5 | 9.7 | 9.76 | 100.6 | AHC on |
| 7R | 23 | 0525 | 52.5 | 62.2 | 9.7 | 7.89 | 81.3 | AHC on |
| 8R | 23 | 0610 | 62.2 | 71.9 | 9.7 | 7.23 | 74.5 | AHC on |
| 9R | 23 | 0655 | 71.9 | 81.6 | 9.7 | 9.93 | 102.4 | AHC on |
| 10R | 23 | 0740 | 81.6 | 91.3 | 9.7 | 8.68 | 89.5 | AHC on |
| 11R | 23 | 0830 | 91.3 | 100.9 | 9.6 | 9.29 | 96.8 | AHC on |
| 12R | 23 | 0920 | 100.9 | 110.5 | 9.6 | 9.84 | 102.5 | AHC on |
| 13R | 23 | 1015 | 110.5 | 120.1 | 9.6 | 9.58 | 99.8 | AHC on |
| 14R | 23 | 1105 | 120.1 | 129.7 | 9.6 | 5.34 | 55.6 | AHC on |
| 15R | 23 | 1155 | 129.7 | 139.4 | 9.7 | 5.03 | 51.9 | AHC on |
| 16R | 23 | 1245 | 139.4 | 149.0 | 9.6 | 9.81 | 102.2 | AHC on |
| 17R | 23 | 1330 | 149.0 | 158.7 | 9.7 | 9.49 | 97.8 | AHC on |
| 18R | 23 | 1415 | 158.7 | 168.4 | 9.7 | 9.67 | 99.7 | AHC on |
| 19R | 23 | 1505 | 168.4 | 178.1 | 9.7 | 9.65 | 99.5 | AHC on |
| 20R | 23 | 1600 | 178.1 | 187.7 | 9.6 | 7.52 | 78.3 | AHC on |
| 21R | 23 | 1655 | 187.7 | 197.1 | 9.4 | 9.84 | 104.7 | AHC on |
| 22R | 23 | 1800 | 197.1 | 206.7 | 9.6 | 7.28 | 75.8 | AHC on |
| 23R | 23 | 1855 | 206.7 | 216.3 | 9.6 | 9.49 | 98.9 | AHC on |
| 24R | 23 | 1945 | 216.3 | 226.0 | 9.7 | 9.48 | 97.7 | AHC on |
| 25R | 23 | 2030 | 226.0 | 235.6 | 9.6 | 9.93 | 103.4 | AHC on |
| 26R | 23 | 2115 | 235.6 | 245.3 | 9.7 | 9.93 | 102.4 | AHC on |
| 27R | 23 | 2200 | 245.3 | 254.9 | 9.6 | 7.33 | 76.4 | AHC on |
| 28R | 23 | 2245 | 254.9 | 264.6 | 9.7 | 8.74 | 90.1 | AHC on |
| 29R | 23 | 2330 | 264.6 | 274.2 | 9.6 | 9.97 | 103.9 | AHC on |
| 30R | 24 | 0015 | 274.2 | 283.9 | 9.7 | 5.16 | 53.2 | AHC on |
| 31R | 24 | 0105 | 283.9 | 293.5 | 9.6 | 10.01 | 104.3 | AHC on |
| 32R | 24 | 0150 | 293.5 | 303.1 | 9.6 | 8.66 | 90.2 | AHC on |
| 33R | 24 | 0240 | 303.1 | 312.8 | 9.7 | 9.76 | 100.6 | AHC on |
| 34R | 24 | 0715 | 312.8 | 322.4 | 9.6 | 7.49 | 78.0 | AHC on; wireline parted; core sat in hole for over 4 hr until retrieved |
| 35R | 24 | 0845 | 322.4 | 332.0 | 9.6 | 8.96 | 93.3 | AHC on |
| 36R | 24 | 1010 | 332.0 | 341.7 | 9.7 | 9.84 | 101.4 | AHC on |
| 37R | 24 | 1215 | 341.7 | 351.3 | 9.6 | 7.64 | 79.6 | AHC on |
| 38R | 24 | 1335 | 351.3 | 360.9 | 9.6 | 5.91 | 61.6 | AHC on |
| 39R | 24 | 1520 | 360.9 | 370.5 | 9.6 | 3.98 | 41.5 | AHC on |
| 40R | 24 | 1720 | 370.5 | 380.2 | 9.7 | 7.49 | 77.2 | AHC on |
| 41R | 24 | 1935 | 380.2 | 389.8 | 9.6 | 5.54 | 57.7 | AHC on |
| 42R | 24 | 2100 | 389.8 | 399.4 | 9.6 | 9.73 | 101.4 | AHC on |
| 43R | 24 | 2240 | 399.4 | 409.1 | 9.7 | 4.51 | 46.5 | AHC on |
| 44R | 25 | 0035 | 409.1 | 418.7 | 9.6 | 2.29 | 23.9 | AHC on |
| 45R | 25 | 0155 | 418.7 | 423.3 | 4.6 | 3.98 | 86.5 | AHC on |
| 46R | 25 | 0250 | 423.3 | 428.3 | 5.0 | 6.15 | 123.0 | AHC on |
| 47R | 25 | 0340 | 428.3 | 432.9 | 4.6 | 2.50 | 54.4 | AHC on |
| 48R | 25 | 0445 | 432.9 | 437.9 | 5.0 | 4.42 | 88.4 | AHC on |
| 49R | 25 | 0615 | 437.9 | 442.5 | 4.6 | 4.65 | 101.1 | AHC on |
| 50R | 25 | 0800 | 442.5 | 447.5 | 5.0 | 3.75 | 75.0 | AHC on |
|
|
|
|
Cored totals: | 447.5 | 375.46 | 83.9 |
|
|
| 207-1258B- |
|
|
|
|
|
|
|
|
| 1R | 25 | 1325 | 0.0 | 7.1 | 7.1 | 7.70 | 108.5 | AHC on |
|
|
|
|
*****Drilled from 7.1 to 14.1 mbsf***** |
|
|
|||
| 2R | 25 | 1525 | 14.1 | 23.1 | 9.0 | 4.16 | 46.2 | AHC on |
| 3R | 25 | 1610 | 23.1 | 32.1 | 9.0 | 9.01 | 100.1 | AHC on |
| 4R | 25 | 1655 | 32.1 | 41.1 | 9.0 | 6.73 | 74.8 | AHC on |
| 5R | 25 | 1740 | 41.1 | 50.8 | 9.7 | 8.57 | 88.4 | AHC on |
| 6R | 25 | 1825 | 50.8 | 60.5 | 9.7 | 9.15 | 94.3 | AHC on |
| 7R | 25 | 1910 | 60.5 | 70.1 | 9.6 | 8.58 | 89.4 | AHC on |
| 8R | 25 | 1950 | 70.1 | 79.7 | 9.6 | 8.91 | 92.8 | AHC on |
| 9R | 25 | 2030 | 79.7 | 89.3 | 9.6 | 9.52 | 99.2 | AHC on |
| 10R | 25 | 2115 | 89.3 | 99.0 | 9.7 | 8.91 | 91.9 | AHC on |
| 11R | 25 | 2155 | 99.0 | 108.6 | 9.6 | 9.82 | 102.3 | AHC on |
| 12R | 25 | 2235 | 108.6 | 118.2 | 9.6 | 8.85 | 92.2 | AHC on |
| 13R | 25 | 2320 | 118.2 | 127.9 | 9.7 | 9.88 | 101.9 | AHC on |
| 14R | 26 | 0010 | 127.9 | 137.5 | 9.6 | 8.93 | 93.0 | AHC on |
| 15R | 26 | 0055 | 137.5 | 147.2 | 9.7 | 9.79 | 100.9 | AHC on |
| 16R | 26 | 0140 | 147.2 | 156.9 | 9.7 | 8.58 | 88.5 | AHC on |
| 17R | 26 | 0220 | 156.9 | 166.5 | 9.6 | 9.54 | 99.4 | AHC on |
| 18R | 26 | 0305 | 166.5 | 176.1 | 9.6 | 8.69 | 90.5 | AHC on |
| 19R | 26 | 0355 | 176.1 | 185.7 | 9.6 | 9.88 | 102.9 | AHC on |
| 20R | 26 | 0450 | 185.7 | 195.2 | 9.5 | 6.34 | 66.7 | AHC on |
| 21R | 26 | 0550 | 195.2 | 204.7 | 9.5 | 2.79 | 29.4 | AHC on |
| 22R | 26 | 0705 | 204.7 | 214.4 | 9.7 | 9.99 | 103.0 | AHC on |
| 23R | 26 | 0800 | 214.4 | 224.1 | 9.7 | 9.17 | 94.5 | AHC on |
| 24R | 26 | 0850 | 224.1 | 233.7 | 9.6 | 9.02 | 94.0 | AHC on |
| 25R | 26 | 0935 | 233.7 | 243.3 | 9.6 | 9.90 | 103.1 | AHC on |
| 26R | 26 | 1020 | 243.3 | 252.9 | 9.6 | 0.00 | 0.0 | No recovery; AHC on |
| 27R | 26 | 1105 | 252.9 | 258.6 | 5.7 | 1.07 | 18.8 | AHC on |
| 28R | 26 | 1200 | 258.6 | 262.6 | 4.0 | 1.66 | 41.5 | AHC on |
| 29R | 26 | 1245 | 262.6 | 272.2 | 9.6 | 3.46 | 36.0 | AHC on |
| 30R | 26 | 1330 | 272.2 | 281.9 | 9.7 | 9.96 | 102.7 | AHC on |
| 31R | 26 | 1415 | 281.9 | 291.5 | 9.6 | 7.30 | 76.0 | AHC on |
| 32R | 26 | 1500 | 291.5 | 301.1 | 9.6 | 9.94 | 103.5 | AHC on |
| 33R | 26 | 1545 | 301.1 | 310.8 | 9.7 | 6.93 | 71.4 | AHC on |
| 34R | 26 | 1640 | 310.8 | 320.4 | 9.6 | 9.95 | 103.7 | AHC on |
| 35R | 26 | 1740 | 320.4 | 330.1 | 9.7 | 0.88 | 9.1 | AHC on |
| 36R | 26 | 1910 | 330.1 | 339.7 | 9.6 | 5.02 | 52.3 | AHC on |
| 37R | 26 | 2115 | 339.7 | 349.3 | 9.6 | 0.11 | 1.2 | AHC on |
| 38R | 27 | 0100 | 349.3 | 359.0 | 9.7 | 4.34 | 44.7 | AHC on |
| 39R | 27 | 0255 | 359.0 | 368.6 | 9.6 | 8.82 | 91.9 | AHC on |
| 40R | 27 | 0455 | 368.6 | 378.2 | 9.6 | 3.16 | 32.9 | AHC on |
| 41R | 27 | 0635 | 378.2 | 383.8 | 5.6 | 0.00 | 0.0 | No recovery; AHC on |
| 42R | 27 | 1030 | 383.8 | 387.8 | 4.0 | 3.35 | 83.8 |
|
| 43R | 27 | 1205 | 387.8 | 393.5 | 5.7 | 4.23 | 74.2 |
|
| 44R | 27 | 1320 | 393.5 | 397.5 | 4.0 | 4.56 | 114.0 |
|
| 45R | 27 | 1445 | 397.5 | 403.1 | 5.6 | 4.83 | 86.3 |
|
| 46R | 27 | 1610 | 403.1 | 407.1 | 4.0 | 4.49 | 112.3 |
|
| 47R | 27 | 1725 | 407.1 | 412.7 | 5.6 | 5.15 | 92.0 |
|
| 48R | 27 | 1915 | 412.7 | 416.7 | 4.0 | 1.69 | 42.3 |
|
| 49R | 27 | 2040 | 416.7 | 422.3 | 5.6 | 3.50 | 62.5 |
|
| 50R | 27 | 2200 | 422.3 | 426.3 | 4.0 | 3.35 | 83.8 |
|
| 51R | 27 | 2320 | 426.3 | 431.9 | 5.6 | 4.51 | 80.5 |
|
| 52R | 28 | 0030 | 431.9 | 435.9 | 4.0 | 3.52 | 88.0 |
|
| 53R | 28 | 0135 | 435.9 | 441.5 | 5.6 | 3.78 | 67.5 |
|
| 54R | 28 | 0300 | 441.5 | 445.5 | 4.0 | 3.80 | 95.0 |
|
| 55R | 28 | 0435 | 445.5 | 451.2 | 5.7 | 3.72 | 65.3 |
|
| 56R | 28 | 0635 | 451.2 | 455.2 | 4.0 | 2.89 | 72.3 |
|
| 57R | 28 | 0815 | 455.2 | 460.9 | 5.7 | 3.75 | 65.8 |
|
|
|
|
|
Cored totals: | 453.9 | 346.13 | 76.3 |
|
|
|
|
|
|
Drilled total: | 7.0 |
|
|
|
|
|
|
|
|
Total: | 460.9 |
|
|
|
|
| 207-1258C- |
|
|
|
|
|
|
|
|
|
|
|
|
*****Drilled from 0.0 to 120.0 mbsf***** |
|
AHC on | |||
| 1R | 28 | 1710 | 120.0 | 129.4 | 9.4 | 9.89 | 105.2 |
|
| 2R | 28 | 1815 | 129.4 | 139.0 | 9.6 | 9.86 | 102.7 |
|
| 3R | 28 | 1900 | 139.0 | 148.6 | 9.6 | 8.95 | 93.2 |
|
| 4R | 28 | 1945 | 148.6 | 158.2 | 9.6 | 8.96 | 93.3 |
|
| 5R | 28 | 2020 | 158.2 | 167.9 | 9.7 | 8.87 | 91.4 |
|
| 6R | 28 | 2110 | 167.9 | 177.5 | 9.6 | 1.83 | 19.1 |
|
| 7R | 28 | 2210 | 177.5 | 187.2 | 9.7 | 8.75 | 90.2 |
|
| 8R | 28 | 2255 | 187.2 | 196.5 | 9.3 | 9.87 | 106.1 |
|
| 9R | 28 | 2350 | 196.5 | 206.1 | 9.6 | 7.15 | 74.5 |
|
|
|
|
|
*****Drilled from 206.1 to 245.3 mbsf***** |
|
Drill with center bit; AHC on | |||
| 10R | 29 | 0340 | 245.3 | 249.9 | 4.6 | 0.06 | 1.3 |
|
| 11R | 29 | 0430 | 249.9 | 254.9 | 5.0 | 0.00 | 0.0 | No recovery |
| 12R | 29 | 0615 | 254.9 | 264.6 | 9.7 | 9.95 | 102.6 |
|
| 13R | 29 | 0730 | 264.6 | 274.2 | 9.6 | 0.02 | 0.2 |
|
|
|
|
|
*****Drilled from 274.2 to 384.8 mbsf***** |
|
|
|||
| 14R | 29 | 1805 | 384.8 | 389.8 | 5.0 | 5.64 | 112.8 |
|
| 15R | 29 | 1905 | 389.8 | 394.4 | 4.6 | 4.53 | 98.5 |
|
| 16R | 29 | 2000 | 394.4 | 399.4 | 5.0 | 4.21 | 84.2 |
|
| 17R | 29 | 2050 | 399.4 | 404.1 | 4.7 | 3.38 | 71.9 |
|
| 18R | 29 | 2145 | 404.1 | 409.1 | 5.0 | 4.13 | 82.6 |
|
| 19R | 29 | 2230 | 409.1 | 413.7 | 4.6 | 2.00 | 43.5 |
|
| 20R | 29 | 2325 | 413.7 | 418.7 | 5.0 | 0.91 | 18.2 |
|
| 21R | 30 | 0010 | 418.7 | 423.3 | 4.6 | 1.84 | 40.0 |
|
| 22R | 30 | 0110 | 423.3 | 428.3 | 5.0 | 4.96 | 99.2 |
|
| 23R | 30 | 0150 | 428.3 | 432.9 | 4.6 | 4.41 | 95.9 |
|
| 24R | 30 | 0245 | 432.9 | 437.9 | 5.0 | 3.37 | 67.4 |
|
| 25R | 30 | 0350 | 437.9 | 442.5 | 4.6 | 4.33 | 94.1 |
|
| 26R | 30 | 0505 | 442.5 | 447.5 | 5.0 | 3.47 | 69.4 |
|
| 27R | 30 | 0655 | 447.5 | 451.8 | 4.3 | 4.28 | 99.5 |
|
| 28R | 30 | 0810 | 451.8 | 456.8 | 5.0 | 2.61 | 52.2 |
|
| 29R | 30 | 0925 | 456.8 | 461.4 | 4.6 | 4.06 | 88.3 |
|
| 30R | 30 | 1100 | 461.4 | 466.4 | 5.0 | 4.36 | 87.2 |
|
| 31R | 30 | 1220 | 466.4 | 471.0 | 4.6 | 3.67 | 79.8 |
|
| 32R | 30 | 1340 | 471.0 | 476.0 | 5.0 | 2.55 | 51.0 |
|
| 33R | 30 | 1500 | 476.0 | 480.7 | 4.7 | 3.98 | 84.7 |
|
| 34R | 30 | 1615 | 480.7 | 485.0 | 4.3 | 4.23 | 98.4 |
|
|
|
|
|
Cored totals: | 215.2 | 161.08 | 74.9 |
|
|
|
|
|
|
Drilled total: | 269.8 |
|
|
|
|
|
|
|
|
Total: | 485.0 |
|
|
|
|
Note: AHC = active heave compensator.