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doi:10.2204/iodp.pr.312.2006

Table T6. Operations Summary, Expedition 312.

Hole
Latitude
Longitude
Number of cores
Interval cored (m)
Core recovered (m)
Recovery (%)
Drilled/washed (m)
Total penetration (m)
Time on hole (h)
Time on hole (days)











1256D-1
6°44.1631'N
91° 56.0612'W
0
0.00
0.00
0.0
0.00
0.00
61.50
2.6
1256D-T
6°44.1631'N
91° 56.0612'W
0
Drill ahead with 9-7/8 inch tricone bit to bottom
63.25
2.6
1256D-2
6°44.1631'N
91° 56.0612'W
11
54.60
8.58
15.7
0.00
54.60
99.75
4.2
1256D-3
6°44.1631'N
91° 56.0612'W
8
33.80
5.54
16.4
0.00
33.80
86.00
3.6
1256D-4
6°44.1631'N
91° 56.0612'W
6
24.00
1.31
5.5
0.00
24.00
78.25
3.3
1256D-5
6°44.1631'N
91° 56.0612'W
4
5.30
0.53
10.0
0.00
5.30
53.50
2.2
1256D-F1
6°44.1631'N
91° 56.0612'W
Fishing run 1 (9 inch fishing magnet with 2 junk baskets)
23.75
1.0
1256D-F2
6°44.1631'N
91° 56.0612'W
Fishing run 2 (9-1/2 inch fishing mill with 2 junk baskets)
28.00
1.2
1256D-F3
6°44.1631'N
91° 56.0612'W
Fishing run 3 (9-1/2 inch fishing mill with 1 junk basket)
28.50
1.2
1256D-F4
6°44.1631'N
91° 56.0612'W
Fishing run 4 (9 inch fishing magnet with 2 junk baskets)
22.05
0.9
1256D-6
6°44.1631'N
91° 56.0612'W
8
25.80
1.39
5.4
0.00
25.80
85.70
3.6
1256D-7
6°44.1631'N
91° 56.0612'W
12
46.00
10.68
23.2
0.00
46.00
96.00
4.0
1256D-8
6°44.1631'N
91° 56.0612'W
13
62.50
18.49
29.6
0.00
62.50
99.50
4.1
1256D-T
6°44.1631'N
91° 56.0612'W
Logging run 1: triple combo tool string
24.25
1.0
1256D-V
6°44.1631'N
91° 56.0612'W
Logging run 2: Vertical Seismic Instrument
26.00
1.1
1256D-F
6°44.1631'N
91° 56.0612'W
Logging run 3: Formation MicroScanner
8.00
0.3
1256D-U
6°44.1631'N
91° 56.0612'W
Logging run 4: Ultrasonic Borehole Imager
12.00
0.5
1256D-F
6°44.1631'N
91° 56.0612'W
Logging run 5: Formation MicroScanner
12.00
0.5
1256D-T
6°44.1631'N
91° 56.0612'W
Logging run 6: temperature tools (TAP/DLL/SGT)
18.50
0.8
Site 1256 totals:
62
252.00
46.52
18.5
0.00
252.00
926.50
38.6
Expedition 312 totals:
62
252.00
46.52
18.5
0.00
252.00
926.50
38.6

Note: Seafloor depth = 8645.4 mbrf. TAP = Temperature/Acceleration/Pressure tool, DLL = Dual Laterolog, SGT = Scintillation Gamma Ray Tool.

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