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Table T1. Coring summary, Site U1308.

Hole U1308A
Latitude: 49°52.6661′N
Longitude: 24°14.2875′W
Time on site (h): 242.00 (2230 h, 3 November 2004–0030 h, 14 November 2004)
Time on hole (h): 67.92 (2230 h, 3 November 2004–1825 h, 6 November 2004)
Seafloor (drill pipe measurement from rig floor, mbrf): 3882.3
Distance between rig floor and sea level (m): 11.3
Water depth (drill pipe measurement from sea level, m): 3871.0
Total depth (drill pipe measurement from rig floor, mbrf): 4223.4
Total penetration (mbsf): 341.1
Total length of cored section (m): 341.1
Total core recovered (m): 323.83
Core recovery (%): 94.9
Total number of cores: 36
Hole U1308B
Latitude: 49°52.6672′N
Longitude: 24°14.3126′W
Time on hole (h): 52.83 (1825 h, 6 November 2004–2315 h, 8 November 2004)
Seafloor (drill pipe measurement from rig floor, mbrf): 3882.4
Distance between rig floor and sea level (m): 11.3
Water depth (drill pipe measurement from sea level, m): 3871.1
Total depth (drill pipe measurement from rig floor, mbrf): 4080.7
Total penetration (mbsf): 198.3
Total length of cored section (m): 198.3
Total core recovered (m): 186.19
Core recovery (%): 93.9
Total number of cores: 22
Hole U1308C
Latitude: 49°52.6838′N
Longitude: 24°14.2867′W
Time on hole (h): 49.50 (2315 h, 8 November 2004–0045 h, 11 November 2004)
Seafloor (drill pipe measurement from rig floor, mbrf): 3884.0
Distance between rig floor and sea level (m): 11.3
Water depth (drill pipe measurement from sea level, m): 3872.7
Total depth (drill pipe measurement from rig floor, mbrf): 4163.9
Total penetration (mbsf): 279.9
Total length of cored section (m): 279.9
Total core recovered (m): 271.1
Core recovery (%): 96.9
Total number of cores: 30
Hole U1308D
Latitude: 49°52.6838′N
Longitude: 24°14.2867′W
Time on hole (h): 1.83 (0045 h, 11 November 2004–0235 h, 11 November 2004)
Seafloor (drill pipe measurement from rig floor, mbrf): 3885.1
Distance between rig floor and sea level (m): 11.3
Water depth (drill pipe measurement from sea level, m): 3873.8
Total depth (drill pipe measurement from rig floor, mbrf): 3891.8
Total penetration (mbsf): 6.7
Total length of cored section (m): 6.7
Total core recovered (m): 6.72
Core recovery (%): 100.3
Total number of cores: 1
Hole U1308E
Latitude: 49°52.6998′N
Longitude: 24°14.2866′W
Time on hole (h): 28.92 (0235 h, 11 November 2004–0730 h, 12 November 2004)
Seafloor (drill pipe measurement from rig floor, mbrf): 3882.3
Distance between rig floor and sea level (m): 11.3
Water depth (drill pipe measurement from sea level, m): 3871.0
Total depth (drill pipe measurement from rig floor, mbrf): 4082.8
Total penetration (mbsf): 200.5
Total length of cored section (m): 193.0
Total length of drilled intervals (m): 7.5
Total core recovered (m): 172.52
Core recovery (%): 89.4
Total number of cores: 21
Total number of drilled intervals: 3
Hole U1308F
Latitude: 49°52.6996′N
Longitude: 24°14.3121′W
Time on hole (h): 41.00 (0730 h, 12 November 2004–0030 h, 14 November 2004)
Seafloor (drill pipe measurement from rig floor, mbrf): 3883.4
Distance between rig floor and sea level (m): 11.3
Water depth (drill pipe measurement from sea level, m): 3872.1
Total depth (drill pipe measurement from rig floor, mbrf): 4110.4
Total penetration (mbsf): 227.0
Total length of cored section (m): 227.0
Total core recovered (m): 228.55
Core recovery (%): 100.7
Total number of cores: 24
Core Date
(Nov 2004)
Local time
(h)
Depth (mbsf) Length (m) Recovery
(%)
Comments
Top Bottom Cored Recovered
303-U1308A-
1H 4 1030 0.0 8.6 8.6 8.62 100.2 Nonmagnetic barrel
2H 4 1135 8.6 18.1 9.5 10.05 105.8 Nonmagnetic barrel
3H 4 1235 18.1 27.6 9.5 9.11 95.9 Oriented; nonmagnetic barrel; split liner
4H 4 1340 27.6 37.1 9.5 8.29 87.3 Oriented; nonmagnetic barrel
5H 4 1435 37.1 46.6 9.5 9.00 94.7 Oriented; nonmagnetic barrel
6H 4 1535 46.6 56.1 9.5 9.53 100.3 Oriented; nonmagnetic barrel
7H 4 1635 56.1 65.6 9.5 6.11 64.3 Oriented; nonmagnetic barrel
8H 4 1740 65.6 75.1 9.5 9.44 99.4 Oriented; nonmagnetic barrel
9H 4 1840 75.1 84.6 9.5 8.29 87.3 Oriented; nonmagnetic barrel
10H 4 1940 84.6 94.1 9.5 9.70 102.1 Oriented; nonmagnetic barrel
11H 4 2045 94.1 103.6 9.5 10.02 105.5 Oriented; nonmagnetic barrel
12H 4 2150 103.6 113.1 9.5 9.56 100.6 Oriented; nonmagnetic barrel
13H 4 2245 113.1 122.6 9.5 8.56 90.1 Oriented; nonmagnetic barrel
14H 4 2355 122.6 132.1 9.5 9.51 100.1 Oriented; nonmagnetic barrel
15H 5 0115 132.1 141.6 9.5 9.25 97.4 Oriented; nonmagnetic barrel
16H 5 0245 141.6 151.1 9.5 10.06 105.9 Oriented; nonmagnetic barrel
17H 5 0420 151.1 160.6 9.5 9.36 98.5 Oriented; nonmagnetic barrel
18H 5 0710 160.6 170.1 9.5 10.13 106.6 Oriented; nonmagnetic barrel; two wireline trips due to parting of shear pin
19H 5 1030 170.1 179.6 9.5 9.57 100.7 Oriented; nonmagnetic barrel; crushed liner
20H 5 1320 179.6 189.1 9.5 9.07 95.5 Oriented; nonmagnetic barrel
21H 5 1450 189.1 198.6 9.5 9.48 99.8 Oriented; nonmagnetic barrel
22H 5 1615 198.6 208.1 9.5 9.94 104.6 Oriented; nonmagnetic barrel
23H 5 1750 208.1 217.6 9.5 8.83 93.0 Oriented; nonmagnetic barrel
24H 5 2030 217.6 227.1 9.5 9.63 101.4 Oriented; nonmagnetic barrel
25H 5 2145 227.1 236.6 9.5 9.34 98.3 Oriented; nonmagnetic barrel
26H 5 2305 236.6 246.1 9.5 9.01 94.8 Oriented; nonmagnetic barrel
27H 6 0100 246.1 255.6 9.5 0.00 0.0 No recovery
28H 6 0245 255.6 265.1 9.5 9.75 102.6 Oriented; nonmagnetic barrel
29H 6 0505 265.1 274.6 9.5 10.16 107.0 Oriented; nonmagnetic barrel
30H 6 0635 274.6 284.1 9.5 7.54 79.4 Oriented; nonmagnetic barrel; split liner
31H 6 0810 284.1 293.6 9.5 9.48 99.8 Oriented; nonmagnetic barrel
32H 6 1025 293.6 303.1 9.5 9.70 102.1 Oriented; nonmagnetic barrel
33H 6 1215 303.1 312.6 9.5 9.84 103.6 Nonmagnetic barrel
34H 6 1350 312.6 322.1 9.5 9.51 100.1 Nonmagnetic barrel
35H 6 1515 322.1 331.6 9.5 9.27 97.6 Nonmagnetic barrel
36H 6 1640 331.6 341.1 9.5 9.12 96.0 Nonmagnetic barrel
Totals: 341.1 323.83 94.9  
303-U1308B-
1H 7 1350 0.0 4.0 4.0 4.04 101.0 Nonmagnetic barrel
2H 7 1510 4.0 13.5 9.5 9.21 97.0 Nonmagnetic barrel; split liner; core transferred to a pre-split liner; very disturbed
3H 7 1635 13.5 23.0 9.5 9.85 103.7 Oriented; nonmagnetic barrel
4H 7 1800 23.0 32.5 9.5 8.69 91.5 Oriented; nonmagnetic barrel
5H 7 1915 32.5 42.0 9.5 9.76 102.7 Oriented; nonmagnetic barrel
6H 7 2035 42.0 51.5 9.5 9.88 104.0 Oriented; nonmagnetic barrel; crushed liner
7H 7 2200 51.5 61.0 9.5 9.81 103.3 Oriented; nonmagnetic barrel
8H 7 2330 61.0 70.5 9.5 10.06 105.9 Oriented; nonmagnetic barrel
9H 8 0105 70.5 80.0 9.5 10.05 105.8 Oriented; nonmagnetic barrel
10H 8 0230 80.0 89.5 9.5 10.03 105.6 Oriented; nonmagnetic barrel
11H 8 0405 89.5 99.0 9.5 9.88 104.0 Oriented; nonmagnetic barrel
12H 8 0545 99.0 108.5 9.5 10.05 105.8 Oriented; nonmagnetic barrel
13H 8 0710 108.5 118.0 9.5 9.89 104.1 Oriented; nonmagnetic barrel; crushed liner
14H 8 0850 118.0 127.5 9.5 9.91 104.3 Oriented; nonmagnetic barrel
15H 8 1020 127.5 137.0 9.5 9.94 104.6 Oriented; nonmagnetic barrel; crushed liner
16H 8 1215 137.0 146.5 9.5 9.83 103.5 Oriented; nonmagnetic barrel; crushed liner
17H 8 1350 146.5 156.0 9.5 9.44 99.4 Oriented; nonmagnetic barrel
18H 8 1525 156.0 165.5 9.5 9.67 101.8 Oriented; nonmagnetic barrel
19H 8 1655 165.5 175.0 9.5 9.15 96.3 Oriented; nonmagnetic barrel
20H 8 1805 175.0 184.5 9.5 0.02 0.2 Oriented; nonmagnetic barrel
21H 8 1915 184.5 194.0 9.5 2.72 28.6 Oriented; nonmagnetic barrel
22H 8 2050 194.0 198.3 4.3 4.31 100.2 Oriented; nonmagnetic barrel; shattered liner on entire core; core disturbed
Totals: 198.3 186.19 93.9  
303-U1308C-
1H 9 0800 0.0 4.4 4.4 4.43 100.7 Nonmagnetic barrel
2H 9 0915 4.4 13.9 9.5 9.57 100.7 Nonmagnetic barrel
3H 9 1020 13.9 23.4 9.5 9.63 101.4 Oriented; nonmagnetic barrel; crushed liner
4H 9 1125 23.4 32.9 9.5 3.47 36.5 Oriented; nonmagnetic barrel; crushed liner
5H 9 1235 32.9 42.4 9.5 7.92 83.4 Oriented; nonmagnetic barrel
6H 9 1345 42.4 51.9 9.5 9.65 101.6 Oriented; nonmagnetic barrel; crushed liner
7H 9 1450 51.9 61.4 9.5 8.16 85.9 Oriented; nonmagnetic barrel; crushed liner; core very disturbed
8H 9 1555 61.4 70.9 9.5 9.50 100.0 Oriented; nonmagnetic barrel
9H 9 1710 70.9 80.4 9.5 9.12 96.0 Oriented; nonmagnetic barrel
10H 9 1820 80.4 89.9 9.5 9.33 98.2 Oriented; nonmagnetic barrel
11H 9 1925 89.9 99.4 9.5 9.94 104.6 Oriented; nonmagnetic barrel
12H 9 2040 99.4 108.9 9.5 10.08 106.1 Oriented; nonmagnetic barrel
13H 9 2155 108.9 118.4 9.5 9.40 99.0 Oriented; nonmagnetic barrel
14H 9 2300 118.4 127.9 9.5 6.31 66.4 Oriented; nonmagnetic barrel
15H 10 0015 127.9 137.4 9.5 9.45 99.5 Oriented; nonmagnetic barrel; crushed liner
16H 10 0140 137.4 146.9 9.5 9.13 96.1 Oriented; nonmagnetic barrel
17H 10 0240 146.9 156.4 9.5 9.75 102.6 Oriented; nonmagnetic barrel
18H 10 0350 156.4 165.9 9.5 7.90 83.2 Oriented; nonmagnetic barrel
19H 10 0500 165.9 175.4 9.5 9.36 98.5 Oriented; nonmagnetic barrel; crushed liner
20H 10 0615 175.4 184.9 9.5 9.82 103.4 Oriented; nonmagnetic barrel
21H 10 0725 184.9 194.4 9.5 9.97 105.0 Oriented; nonmagnetic barrel
22H 10 0930 194.4 203.9 9.5 9.63 101.4 Drillover barrel with AHC
23H 10 1105 203.9 213.4 9.5 9.60 101.1 Drillover barrel with PHC
24H 10 1255 213.4 222.9 9.5 9.93 104.5 Drillover barrel with PHC
25H 10 1425 222.9 232.4 9.5 9.81 103.3 Drillover barrel with PHC
26H 10 1555 232.4 241.9 9.5 9.95 104.7 Drillover barrel with PHC
27H 10 1730 241.9 251.4 9.5 9.97 105.0 Drillover barrel with PHC
28H 10 1835 251.4 260.9 9.5 10.18 107.2  
29H 10 2000 260.9 270.4 9.5 10.18 107.2 Drillover barrel with PHC; bent core barrel
30H 10 2315 270.4 279.9 9.5 9.96 104.8 Drillover barrel with PHC; bent core barrel
Totals: 279.90 271.10 96.86  
303-U1308D-
1H 11 0245 0.0 6.7 6.7 6.72 100.3 2.2 m between Sections 3 and 4 discarded due to heavy disturbance by crushed liner
Totals: 6.7 6.72 100.3  
303-U1308E-
1H 11 0400 0.0 9.5 9.5 9.67 101.8 Nonmagnetic barrel
2H 11 0530 9.5 19.0 9.5 10.05 105.8 Nonmagnetic barrel
3H 11 0640 19.0 28.5 9.5 7.46 78.5 Oriented; nonmagnetic barrel
4H 11 0745 28.5 38.0 9.5 7.61 80.1 Oriented; nonmagnetic barrel
5H 11 0850 38.0 47.5 9.5 6.52 68.6 Oriented; nonmagnetic barrel
6H 11 0950 47.5 57.0 9.5 8.08 85.1 Oriented; nonmagnetic barrel
*****Drilled 57.0 to 60.0 mbsf*****  
7H 11 1110 60.0 69.5 9.5 6.96 73.3 Oriented; nonmagnetic barrel
8H 11 1225 69.5 79.0 9.5 6.72 70.7 Oriented; nonmagnetic barrel
9H 11 1355 79.0 83.0 4.0 7.27 181.8 Oriented; nonmagnetic barrel; core overlapped 5.5 m with Core 8H
*****Drilled 83.0 to 84.0 mbsf*****  
10H 11 1515 84.0 93.5 9.5 7.29 76.7 Oriented; nonmagnetic barrel
*****Drilled 93.5 to 97.0 mbsf*****  
11H 11 1635 97.0 106.5 9.5 3.34 35.2 Oriented; nonmagnetic barrel
12H 11 1810 106.5 116.0 9.5 8.78 92.4 Oriented; nonmagnetic barrel; crushed liner at bottom
13H 11 1940 116.0 125.5 9.5 9.18 96.6 Oriented; nonmagnetic barrel
14H 11 2055 125.5 134.0 8.5 8.84 104.0 Oriented; nonmagnetic barrel
15H 11 2210 134.0 143.5 9.5 8.93 94.0 Oriented; nonmagnetic barrel; crushed liner at bottom
16H 11 2320 143.5 153.0 9.5 9.22 97.1 Oriented; nonmagnetic barrel
17H 12 0030 153.0 162.5 9.5 8.78 92.4 Oriented; nonmagnetic barrel
18H 12 0140 162.5 172.0 9.5 9.29 97.8 Oriented; nonmagnetic barrel
19H 12 0250 172.0 181.5 9.5 9.93 104.5 Oriented; nonmagnetic barrel
20H 12 0435 181.5 191.0 9.5 8.69 91.5  
21H 12 0610 191.0 200.5 9.5 9.91 104.3  
Cored: 193.0 172.52 89.4  
Drilled: 7.5      
Total: 200.5      
303-U1308F-
1H 12 1125 0.0 9.5 9.5 6.62 69.7 Nonmagnetic barrel; crushed liner
2H 12 1220 9.5 19.0 9.5 8.89 93.6 Nonmagnetic barrel; crushed liner
3H 12 1330 19.0 28.5 9.5 9.59 101.0 Oriented; nonmagnetic barrel; crushed liner
4H 12 1440 28.5 38.0 9.5 9.42 99.2 Oriented; nonmagnetic barrel; crushed liner
5H 12 1550 38.0 47.5 9.5 9.92 104.4 Oriented; nonmagnetic barrel; crushed liner
6H 12 1655 47.5 57.0 9.5 9.71 102.2 Oriented; steel core barrel; crushed liner
7H 12 1810 57.0 66.5 9.5 9.67 101.8 Oriented; nonmagnetic barrel; crushed liner
8H 12 1915 66.5 76.0 9.5 9.29 97.8 Oriented; nonmagnetic barrel; crushed liner
9H 12 2020 76.0 85.5 9.5 9.58 100.8 Oriented; nonmagnetic barrel; crushed liner
10H 12 2125 85.5 94.0 8.5 8.93 105.1 Oriented; nonmagnetic barrel; crushed liner
11H 12 2235 94.0 103.5 9.5 9.40 99.0 Oriented; nonmagnetic barrel
12H 12 2340 103.5 113.0 9.5 9.62 101.3 Oriented; nonmagnetic barrel
13H 13 0050 113.0 122.5 9.5 9.66 101.7 Oriented; nonmagnetic barrel; crushed liner
14H 13 0155 122.5 132.0 9.5 9.84 103.6 Oriented; nonmagnetic barrel; crushed liner
15H 13 0305 132.0 141.5 9.5 9.91 104.3 Oriented; nonmagnetic barrel
16H 13 0410 141.5 151.0 9.5 9.96 104.8 Oriented; nonmagnetic barrel
17H 13 0515 151.0 160.5 9.5 9.84 103.6 Oriented; nonmagnetic barrel; crushed liner
18H 13 0620 160.5 170.0 9.5 9.63 101.4 Oriented; nonmagnetic barrel
19H 13 0725 170.0 179.5 9.5 9.68 101.9 Oriented; nonmagnetic barrel
20H 13 0835 179.5 189.0 9.5 10.05 105.8 Oriented; nonmagnetic barrel
21H 13 0940 189.0 198.5 9.5 9.87 103.9 Oriented; nonmagnetic barrel
22H 13 1100 198.5 208.0 9.5 9.89 104.1 Drillover barrel
23H 13 1240 208.0 217.5 9.5 9.97 105.0 Drillover barrel
24H 13 1405 217.5 227.0 9.5 9.61 101.2 Drillover barrel
Totals: 227.0 228.55 100.7  

Note: AHC = active heave compensator, PHC = passive heave compensator.

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