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Table T1. Coring summary.

Hole M0002A
Latitude: 87°55.271′N
Longitude: 139°21.901′E
Time in hole (h): 167 (17 August–24 August 2004)
Seafloor (drill pipe measurement from rig floor, m): 1211.09
Water depth (sonar, m): 1209
Total depth (drill pipe measurement from rig floor, m): 1481.2
Total penetration (meters below seafloor, mbsf): 270.1
Total length of cored section (m): 270.1
Total core recovered (m): 213.15
Core recovery (%): 78.9
Total number of cores (including cores having no recovery): 62
Oldest sediment cored:
Depth (mbsf): 270.1
Lithology: mud-bearing biosiliceous ooze
Age: middle Eocene
Hole M0003A
Latitude: 87°56.000′N
Longitude: 139°32.100′E
Time on hole (h): 41 (25 August–26 August 2004)
Seafloor (drill pipe measurement from rig floor, m): 1207.97
Water depth (sonar, m): 1206.2
Total depth (drill pipe measurement from rig floor, m): 1222.97
Total penetration (meters below seafloor, mbsf): 15
Total length of cored section (m): 15
Total core recovered (m): 14.85
Core recovery (%): 99
Total number of cores (including cores having no recovery): 3
Oldest sediment cored:
Depth (mbsf): 15
Lithology: silty clay
Age: late Pleistocene
Hole M0004A
Latitude: 87°51.995′N
Longitude: 136°10.641′E
Time on hole (h): 148 (27 August–2 September 2004)
Seafloor (drill pipe measurement from rig floor, m): 1289.73
Water depth (sonar, m): 1287.9
Total depth (drill pipe measurement from rig floor, m): 1717.6
Total penetration (m): 427.9
Total length of cored section (m): 157.59
Total core recovered (m): 78.41
Core recovery (%): 49.8
Total number of cores (including cores having no recovery): 42
Oldest sediment cored:
Depth (mbsf): 427.9
Lithology: silty sand
Age: Late Cretaceous
Hole M0004B
Latitude: 87°52.018′N
Longitude: 136°10.475′E
Time on hole (h): 38 (2 September–4 September 2004)
Seafloor (drill pipe measurement from rig floor, m): 1289.7
Water depth (sonar, m): 1287.9
Total depth (drill pipe measurement from rig floor, m): 1507.74
Total penetration (m): 218.0
Total length of cored section (m): 11
Total core recovered (m): 7.31
Core recovery (%): 66.5
Total number of cores (including cores having no recovery): 3
Oldest sediment cored:
Depth (mbsf): 218.0
Lithology: silty clay and clayey silt
Age: middle Eocene
Hole M0004C
Latitude: 87°52.065′N
Longitude: 136°11.381′E
Time on hole (h): 34 (4 September–5 September 2004)
Seafloor (drill pipe measurement from rig floor, m): 1289.7
Water depth (sonar, m): 1287.9
Total depth (drill pipe measurement from rig floor, m): 1327.03
Total penetration (m): 37.33
Total length of cored section (m): 37.33
Total core recovered (m): 25.33
Core recovery (%): 67.9
Number of cores (including cores having no recovery): 9
Oldest sediment cored:
Depth (mbsf): 37.33
Lithology: silty clay and silty mud
Age: Pliocene
Core Date
(2004) 		Time
(UTC) 		Depth (mbsf) Length (m) Recovery
(%)
Top Bottom Cored Recovered
302-M0001A-
1H 16 Aug 0801 0 0.31 0.31 0.31 100.0
Cored totals: 0.31 0.31 100.0
302-M0002A-
1X 19 Aug 1335 0 1.5 1.5 1.28 85.3
2X 19 Aug 1530 1.5 6.5 5 1.08 21.6
3X 19 Aug 1745 6.5 11.5 5 5.26 105.2
4X 19 Aug 2030 11.5 16.5 5 5.29 105.8
5X 19 Aug 2135 16.5 21.5 5 2.46 49.2
6X 19 Aug 2235 21.5 26.5 5 5.2 104.0
7X 20 Aug 0001 26.5 31 4.5 4.09 90.9
8X 20 Aug 0140 31 36 5 3.53 70.6
9X 20 Aug 0303 36 41 5 4.35 87.0
10X 20 Aug 0430 41 46 5 3.96 79.2
11X 20 Aug 0530 46 50 4 4.44 111.0
12X 20 Aug 0645 50 55 5 3.29 65.8
13X 20 Aug 0800 55 60 5 1.41 28.2
14X 20 Aug 0900 60 65 5 3.39 67.8
15X 20 Aug 1115 65 69 4 4.2 105.0
16X 20 Aug 1200 69 74 5 3.53 70.6
17X 20 Aug 1330 74 78 4 2.1 52.5
18X 20 Aug 1700 78 81.2 3.2 2.15 67.2
19X 20 Aug 1930 81.2 86.2 5 1.06 21.2
20X 20 Aug 2050 86.2 91.2 5 4.77 95.4
21X 20 Aug 2210 91.2 96.2 5 3.51 70.2
22X 20 Aug 2310 96.2 101.2 5 0.39 7.8
23X 21 Aug 0100 101.2 106.2 5 1.33 26.6
24X 21 Aug 0215 106.2 110.2 4 4.71 117.8
25X 21 Aug 1100 110.2 115.2 5 3.92 78.4
26X 21 Aug 1240 115.2 120.2 5 2.14 42.8
27X 21 Aug 1400 120.2 125.2 5 3.68 73.6
28X 21 Aug 1515 125.2 128.2 3 2.34 78.0
29X 21 Aug 1640 128.2 133.2 5 3.97 79.4
30X 21 Aug 1740 133.2 134.7 1.5 2.79 186.0
31X 21 Aug 1940 134.7 139.7 5 1.5 30.0
32X 21 Aug 2045 139.7 144.2 4.5 5.32 118.2
33X 21 Aug 2150 144.2 149 4.8 3.87 80.6
34X 21 Aug 2250 149 154 5 3.05 61.0
35X 21 Aug 2355 154 159 5 5.48 109.6
36X 22 Aug 0110 159 163.5 4.5 0.21 4.7
37X 22 Aug 0210 163.5 166.5 3 3.42 114.0
38X 22 Aug 0315 166.5 170.68 4.18 5.31 127.0
39X 22 Aug 0500 170.68 173.08 2.4 1.03 42.9
40X 22 Aug 0630 173.08 178.08 5 5.28 105.6
41X 22 Aug 0740 178.08 182.49 4.41 0.17 3.9
42X 22 Aug 0845 182.49 187.49 5 4.92 98.4
43X 22 Aug 1000 187.49 191.99 4.5 4.53 100.7
44X 22 Aug 1110 191.99 195.93 3.94 3.94 100.0
45X 22 Aug 1240 195.93 197 1.07 1.49 139.3
46X 22 Aug 1400 197 202 5 3.63 72.6
47X 22 Aug 1515 202 205.5 3.5 5.49 156.9
48X 22 Aug 1630 205.5 210 4.5 5.2 115.6
49X 22 Aug 1745 210 215 5 5.5 110.0
50X 22 Aug 1910 215 218.74 3.74 2.24 59.9
51X 22 Aug 2010 218.74 220.94 2.2 2.68 121.8
52X 22 Aug 2120 220.94 225 4.06 1.95 48.0
53X 22 Aug 2225 225 230 5 5.29 105.8
54X 22 Aug 2330 230 235 5 0.51 10.2
55X 23 Aug 0040 235 239.6 4.6 5.4 117.4
56X 23 Aug 0145 239.6 244.6 5 3.64 72.8
57X 23 Aug 0315 244.6 249.6 5 5.57 111.4
58X 23 Aug 0500 249.6 254.6 5 5.22 104.4
59X 23 Aug 1650 254.6 257.6 3 4.47 149.0
60X 23 Aug 1830 257.6 262.6 5 4.55 91.0
61X 23 Aug 1940 262.6 267.6 5 2.58 51.6
62X 23 Aug 2050 267.6 270.1 2.5 4.09 163.6
Cored totals: 270.1 213.15 78.9
302-M0003A-
1H 26 Aug 0115 0 5 5 5.05 101.0
2H 26 Aug 0315 5 10 5 4.8 96.0
3H 26 Aug 1630 10 15 5 5 100.0
Cored totals: 15 14.85 99.0
302-M0004A-
1H 28 Aug 0140 17 20.5 3.5 3.53 100.9
2X 28 Aug 0345 20.5 25.5 5 3.79 75.8
3X 28 Aug 0450 25.5 30.5 5 2.79 55.8
4X 28 Aug 2335 265 270 5 0.33 6.6
5X 29 Aug 0050 270 273.5 3.5 2.11 60.3
6X 29 Aug 0210 273.5 278.5 5 5.28 105.6
7X 29 Aug 0320 278.5 282.3 3.8 5.18 136.3
8X 29 Aug 0430 282.3 287.3 5 0.28 5.6
9X 29 Aug 0550 287.3 291.85 4.55 0.36 7.9
10X 29 Aug 0715 291.85 297.3 5.45 5.34 98.0
11X 29 Aug 0835 297.3 301.35 4.05 5.43 134.1
12X 29 Aug 1000 301.35 306.35 5 0.02 0.4
13X 29 Aug 1115 306.35 310.85 4.5 0 0.0
14X 29 Aug 1300 310.85 313.35 2.5 0 0.0
15X 29 Aug 1530 313.35 315.35 2 0.26 13.0
16X 29 Aug 1820 315.35 318.8 3.45 0 0.0
17X 29 Aug 1950 318.8 318.81 0.01 0 0.0
18X 29 Aug 2120 318.8 320.53 1.73 0.16 9.2
19X 30 Aug 0030 320.53 326.28 5.75 3.17 55.1
20X 30 Aug 0550 326.28 329.28 3 2 66.7
21X 30 Aug 1230 329.28 330.18 0.9 3.58 397.8
22X 30 Aug 1550 339 341.6 2.6 0.98 37.7
23X 30 Aug 1230 341.6 345.6 4 4.07 101.8
24X 31 Aug 1550 355.6 360.6 5 0 0.0
25X 31 Aug 0050 360.6 365.6 5 0 0.0
26X 31 Aug 0300 365.6 367.4 1.8 0 0.0
27X 31 Aug 0700 367.4 371.8 4.4 4.85 110.2
28X 31 Aug 0900 371.8 375.8 4 5.23 130.8
29X 31 Aug 1100 375.8 380.3 4.5 1.32 29.3
30X 31 Aug 1240 380.3 383.2 2.9 4.24 146.2
31X 31 Aug 1405 383.2 388 4.8 0.55 11.5
32X 31 Aug 1540 388 392.5 4.5 3.04 67.6
33X 31 Aug 1710 392.5 396.25 3.75 1.65 44.0
34X 31 Aug 1850 396.25 401.2 4.95 3.89 78.6
35X 31 Aug 2035 401.2 405.7 4.5 3.59 79.8
36X 31 Aug 2210 405.7 410.7 5 0 0.0
37X 31 Aug 2340 410.7 415.1 4.4 0 0.0
38X 1 Sep 0115 415.1 420 4.9 0 0.0
39X 1 Sep 0315 420 424 4 0 0.0
40X 1 Sep 0450 424 424.5 0.5 0 0.0
41X 1 Sep 0815 424.5 426.6 2.1 0.33 15.7
42X 1 Sep 1030 426.6 427.9 1.3 1.06 81.5
Cored totals: 157.59 78.41 49.8
302-M0004B-
1X 2 Sep 2230 10 15 5 2.31 46.2
2W 3 Sep 2000 212 215 3 1 33.3
3X 3 Sep 2350 215 218 3 4 133.3
Cored totals: 11 7.31 66.5
302-M0004C-
1H 4 Sep 1510 0 4 4 3.91 97.8
2H 4 Sep 2020 4 8.95 4.95 4.95 100.0
3H 4 Sep 2320 8.95 13.97 5.02 5.02 100.0
4H 5 Sep 0545 13.97 18.57 4.6 4.6 100.0
5X 5 Sep 0715 18.57 26.43 7.86 0.75 9.5
6X 5 Sep 0915 23.57 27.83 4.26 1.72 40.4
7X 5 Sep 1030 26.43 31.43 5 0 0.0
8X 5 Sep 1150 31.43 34.43 3 2.42 80.7
9X 5 Sep 1400 34.43 37.33 2.9 1.96 67.6
Cored totals: 41.59 25.33 60.9

Note: UTC = Universal Time Coordinated.

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