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Table T1. Coring summary, Hole M0028A. (See table note.)

Hole M0028A
Latitude: 39°33.942790′N
Longitude: 73°29.834810′W
Seafloor (drill pipe measurement from rig floor, mbrf): 48.77
Distance between rig floor and sea level (m): 13.72
Water depth (drill pipe measurement from sea level, m): 35.05
Total penetration (mbsf): 668.66
Total drilled interval (m): 476.97
Core Date
(2009)
Time
(UTC)
Depth (mbsf) Length (m) Recovery
(%)
Comments
Top Bottom Cored Recovered
313-M0028A-
      *****Drilled from 0.0 to 220.38 mbsf*****  
1R 26 May 1515 220.28 223.33 3.05 0.00 0.0  
2R 26 May 1630 223.33 226.38 3.05 3.45 113.1  
3R 26 May 1730 226.38 229.43 3.05 3.19 104.6 Basket catcher pulled into core
4R 26 May 1900 229.43 232.48 3.05 3.37 110.5  
5R 26 May 1950 232.48 235.53 3.05 3.39 111.2 Basket catcher pulled into core
6R 26 May 2045 235.53 238.58 3.05 3.47 113.8  
7R 26 May 2150 238.58 241.63 3.05 3.21 105.3 Basket catcher pulled into core
8R 26 May 2300 241.63 244.68 3.05 3.21 105.3 Core spring missing
9R 26 May 2350 244.68 247.73 3.05 2.32 76.1  
10R 27 May 0045 247.73 250.78 3.05 3.21 105.3  
11R 27 May 0140 250.78 253.83 3.05 3.42 112.1  
12R 27 May 0255 253.83 255.28 1.45 1.34 92.4  
13R 27 May 0345 255.28 256.88 1.60 0.00 0.0  
14R 27 May 0440 256.88 259.93 3.05 1.09 35.7  
15R 27 May 0555 259.93 262.98 3.05 1.22 40.0  
16R 27 May 0830 262.98 266.03 3.05 2.63 86.2  
17R 29 May 2100 264.00 265.77 1.77 0.17 9.6  
18R 29 May 2145 265.77 268.82 3.05 1.07 35.1  
19R 30 May 0115 268.82 271.87 3.05 1.53 50.2  
20R 30 May 0250 271.87 274.52 2.65 0.60 22.6  
21R 30 May 0355 274.52 277.97 3.45 2.85 82.6 Strong backflow through pipe
22R 30 May 0500 277.97 281.02 3.05 3.06 100.3  
23R 30 May 0550 281.02 284.07 3.05 1.23 40.3  
24R 30 May 0725 284.07 286.78 2.71 1.37 50.6  
25R 30 May 1130 286.78 288.12 1.34 1.40 104.5  
26R 30 May 1230 288.12 290.17 2.05 0.00 0.0  
27R 30 May 1350 290.17 293.22 3.05 3.37 110.5  
28R 30 May 1500 293.22 296.27 3.05 0.00 0.0 Core slipped on retrieval
29R 30 May 1545 296.27 297.13 0.86 3.47 403.5 Picked up previous core with a short run
30R 30 May 1630 297.13 299.32 2.19 2.10 95.9  
31R 30 May 1740 299.32 302.37 3.05 3.20 104.9  
32R 30 May 1900 302.37 305.42 3.05 2.98 97.7  
33R 30 May 2000 305.42 308.47 3.05 3.08 101.0 Basket catcher twisted
34R 30 May 2130 308.47 311.52 3.05 2.98 97.7 Basket catcher twisted, top 1 m of liner creased
35R 30 May 2300 311.52 314.57 3.05 2.54 83.3  
36R 31 May 0030 314.57 317.62 3.05 0.33 10.8  
37R 31 May 0140 317.62 320.67 3.05 3.09 101.3  
38R 31 May 0350 320.67 323.72 3.05 3.27 107.2  
39R 31 May 0520 323.72 326.77 3.05 3.18 104.3  
40R 31 May 0730 326.77 329.82 3.05 3.05 100.0  
41R 31 May 0835 329.82 332.87 3.05 2.69 88.2  
42R 31 May 0930 332.87 335.92 3.05 0.92 30.2  
43R 31 May 1025 335.92 337.01 1.09 0.35 32.1  
44R 31 May 1205 337.01 338.97 1.96 0.20 10.2 BHA and reaming shell broken off and left downhole
45R 3 June 0215 322.22 325.62 3.40 3.41 100.3 No evidence of broken BHA/reaming shell on reentry
46R 3 June 0335 325.62 327.19 1.57 1.45 92.4 No evidence of broken BHA/reaming shell
47R 3 June 0505 327.19 330.24 3.05 3.06 100.3 No evidence of broken BHA/reaming shell
48R 3 June 0640 330.24 333.29 3.05 3.10 101.6  
49R 3 June 0800 333.29 336.34 3.05 2.19 71.8  
50R 3 June 0930 336.34 339.39 3.05 0.00 0.0 No basket catcher in, core slipped on retrieval, hole caving
      *****Drilled from 339.39 to 342.44 mbsf*****  
51R 3 June 1430 342.44 345.49 3.05 2.32 76.1 Hole caving—6 m lost on barrel trip
52R 3 June 1710 345.49 348.54 3.05 3.03 99.3 Hole caving—6 m lost on barrel trip—unknown infill amount in this section
53R 3 June 2030 348.54 351.59 3.05 1.21 39.7  
54R 3 June 2200 351.59 354.64 3.05 1.38 45.3  
55R 4 June 0010 354.64 357.69 3.05 1.40 45.9  
56R 4 June 0135 357.69 360.74 3.05 2.44 80.0  
57R 4 June 0250 360.74 363.79 3.05 1.81 59.3  
58R 4 June 0420 363.79 366.84 3.05 2.12 69.5  
59R 4 June 0550 366.84 369.89 3.05 0.31 10.2  
60R 4 June 0805 369.89 372.94 3.05 0.32 10.5  
61R 4 June 1020 372.94 375.99 3.05 1.87 61.3  
62R 4 June 1150 375.99 379.04 3.05 0.00 0.0  
63R 4 June 1335 379.04 382.09 3.05 2.95 96.7  
64R 4 June 1515 382.09 385.14 3.05 1.50 49.2  
65R 4 June 1650 385.14 388.19 3.05 2.98 97.7  
66R 4 June 1800 388.19 389.46 1.27 1.17 92.1 Hole collapsed
67R 4 June 1940 389.46 391.24 1.78 1.94 109.0  
68R 4 June 2120 391.24 394.29 3.05 0.09 3.0  
69R 4 June 2300 394.29 397.34 3.05 1.71 56.1  
70R 5 June 0045 397.34 398.11 0.77 0.57 74.0  
71R 6 June 0500 398.11 398.84 0.73 0.01 1.4 PQ stuck, run from now with HQ system
72R 6 June 0700 398.84 400.07 1.23 0.01 0.8  
73R 6 June 0840 400.07 402.32 2.25 0.23 10.2  
74R 6 June 1320 402.32 408.34 6.02 0.29 4.8 Pulled HQ pipe back into PQ as hole caving, reaming
75R 6 June 1620 408.34 410.97 2.63 0.09 3.4  
76R 7 June 2300 398.11 406.18 8.07 1.50 18.6 Drilling through cavings
77R 8 June 0030 406.18 406.48 0.30 0.10 33.3 Drilling through cavings
78R 8 June 0220 406.48 412.47 5.99 1.86 31.1 Drilling through cavings
79R 8 June 0400 412.47 416.32 3.85 3.20 83.1  
80R 8 June 0530 416.32 419.91 3.59 3.18 88.6  
81R 8 June 0745 419.91 423.63 3.72 3.19 85.8  
82R 8 June 0927 423.63 426.92 3.29 3.13 95.1  
83R 8 June 1115 426.92 430.34 3.42 3.21 93.9  
84R 8 June 1240 430.34 433.62 3.28 3.17 96.7  
85R 8 June 1355 433.62 436.67 3.05 3.14 103.0  
86R 8 June 1525 436.67 439.72 3.05 3.16 103.6  
87R 8 June 1650 439.72 442.77 3.05 3.13 102.6  
88R 8 June 1815 442.77 445.82 3.05 3.13 102.6  
89R 8 June 2000 445.82 448.87 3.05 3.10 101.6  
90R 8 June 2130 448.87 451.92 3.05 0.00 0.0 Core slipped on retrieval
91R 8 June 2305 451.92 454.97 3.05 1.99 65.3 Drilling out slipped core
92R 9 June 0015 454.97 458.02 3.05 3.05 100.0  
93R 9 June 0120 458.02 461.07 3.05 3.05 100.0  
94R 9 June 0225 461.07 464.12 3.05 3.05 100.0  
95R 9 June 0350 464.12 467.17 3.05 3.10 101.6  
96R 9 June 0455 467.17 470.22 3.05 3.08 101.0  
97R 9 June 0555 470.22 473.27 3.05 3.15 103.3  
98R 9 June 0735 473.27 476.32 3.05 3.20 104.9  
99R 9 June 0850 476.32 479.37 3.05 2.84 93.1  
100R 9 June 1020 479.37 482.42 3.05 3.18 104.3  
101R 9 June 1330 482.42 485.47 3.05 3.22 105.6  
102R 9 June 1440 485.47 488.52 3.05 2.23 73.1  
103R 9 June 1610 488.52 491.57 3.05 3.20 104.9  
104R 9 June 1735 491.57 494.62 3.05 2.99 98.0  
105R 9 June 1935 494.62 497.67 3.05 3.19 104.6  
106R 9 June 2050 497.67 500.72 3.05 3.10 101.6  
107R 9 June 2150 500.72 503.77 3.05 3.09 101.3  
108R 9 June 2305 503.77 506.82 3.05 2.26 74.1 ~80 cm core slipped on retrieval
109R 10 June 0005 506.82 509.67 2.85 3.20 112.3 Shorter core run as blocking off because of slipped material from previous run
110R 10 June 0210 509.67 512.92 3.25 3.07 94.5  
111R 10 June 0320 512.92 515.97 3.05 3.04 99.7  
112R 10 June 0430 515.97 519.02 3.05 2.37 77.7  
113R 10 June 0535 519.02 522.07 3.05 3.20 104.9  
114R 10 June 0805 522.07 524.52 2.45 2.58 105.3  
115R 10 June 0930 524.52 525.65 1.13 1.07 94.7  
116R 10 June 1100 525.65 527.5 1.85 1.85 100.0 Sample stuck in core spring
117R 10 June 1250 527.50 528.17 0.67 0.83 123.9  
118R 11 June 0250 528.17 531.22 3.05 3.12 102.3  
119R 11 June 0400 531.22 532.96 1.74 1.85 106.3  
120R 11 June 0520 532.96 534.27 1.31 1.36 103.8  
121R 11 June 0700 534.27 537.32 3.05 2.64 86.6  
122R 11 June 0850 537.32 539.37 2.05 2.47 120.5  
123R 11 June 1050 539.37 540.37 1.00 0.85 85.0  
124R 11 June 1300 540.37 542.78 2.41 2.47 102.5  
125R 11 June 1445 542.78 543.54 0.76 0.82 107.9  
126R 11 June 1700 543.54 546.47 2.93 1.13 38.6  
127R 11 June 1905 546.47 549.52 3.05 3.03 99.3  
128R 11 June 2010 549.52 552.57 3.05 2.64 86.6  
129R 11 June 2135 552.57 555.62 3.05 3.15 103.3  
130R 11 June 2250 555.62 558.67 3.05 3.11 102.0  
131R 11 June 2355 558.67 561.72 3.05 3.14 103.0  
132R 12 June 0105 561.72 564.77 3.05 3.16 103.6  
133R 12 June 0240 564.77 567.82 3.05 3.08 101.0  
134R 12 June 0505 567.82 570.87 3.05 3.06 100.3  
135R 12 June 0745 570.87 573.92 3.05 3.20 104.9  
136R 12 June 0935 573.92 576.02 2.10 2.21 105.2  
137R 12 June 1240 576.02 576.97 0.95 0.93 97.9  
138R 12 June 1440 576.97 580.02 3.05 3.08 101.0  
139R 12 June 1615 580.02 582.33 2.31 3.14 135.9 2 m reaming before coring, ~95 cm if fill at top of core
140R 12 June 1750 582.33 583.07 0.74 1.23 166.2 Reaming before coring, possible infill at top of core
141R 12 June 2015 583.07 586.12 3.05 3.08 101.0  
142R 12 June 2345 586.12 589.17 3.05 3.10 101.6  
143R 13 June 0200 589.17 590.25 1.08 1.16 107.4  
144R 14 June 0740 590.25 592.22 1.97 2.34 118.8  
145R 14 June 0930 592.22 595.27 3.05 3.02 99.0  
146R 14 June 1105 595.27 598.32 3.05 1.79 58.7  
147R 14 June 1300 598.32 601.37 3.05 2.01 65.9  
148R 14 June 1440 601.37 604.42 3.05 0.00 0.0  
149R 14 June 1615 604.42 607.47 3.05 2.20 72.1  
150R 14 June 1735 607.47 608.47 1.00 1.03 103.0  
151R 14 June 1950 608.47 610.52 2.05 1.76 85.9 Reamed out bottom 5 m of hole prior to coring
152R 14 June 2120 610.52 613.57 3.05 3.04 99.7  
153R 14 June 2355 613.57 616.62 3.05 3.21 105.3  
154R 15 June 0145 616.62 619.67 3.05 3.05 100.0  
155R 15 June 0315 619.67 622.72 3.05 3.21 105.3  
156R 15 June 0450 622.72 625.77 3.05 3.32 108.9  
157R 15 June 0645 625.77 628.82 3.05 3.26 106.9  
158R 15 June 0820 628.82 631.87 3.05 3.15 103.3  
159R 15 June 1000 631.87 634.92 3.05 3.14 103.0  
160R 15 June 1130 634.92 637.97 3.05 3.21 105.3  
161R 15 June 1250 637.97 641.02 3.05 3.06 100.3  
162R 15 June 1410 641.02 644.07 3.05 3.10 101.6  
163R 15 June 1530 644.07 647.12 3.05 3.28 107.5  
164R 15 June 1740 647.12 650.17 3.05 3.10 101.6  
165R 15 June 1935 650.17 653.22 3.05 3.23 105.9  
166R 15 June 2105 653.22 656.27 3.05 2.81 92.1 Bottom of core slipped on retrieval
167R 15 June 2240 656.27 659.32 3.05 3.24 106.2 Possibly drilling out core from previous run
168R 16 June 0010 659.32 662.37 3.05 3.22 105.6  
169R 16 June 0120 662.37 665.42 3.05 2.15 70.5 Bottom section of core slipped on retrieval, ~15 cm of core projecting beyond core catcher
170R 16 June 0240 665.42 668.47 3.05 3.23 105.9  
171R 16 June 1105 668.47 668.66 0.19 0.19 100.0 Small core drilled out during preparation for logging

Note: BHA = bottom-hole assembly.

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