|
Hole
|
Latitude
|
Longitude
|
Water depth (mbsl)
|
Cores (N)
|
Interval cored (m)
|
Core recovered (m)
|
Recovery (%)
|
Drilled interval (m) |
Total penetration (m)
|
Time
on hole (days)
|
Comments
|
|
U1438A
|
27°23.0108′N
|
134°19.1020′E
|
4700.2
|
3
|
26.5
|
24.90
|
94
|
—
|
26.5
|
0.97
|
Limited shipboard analyses; high-resolution personal sampling
|
|
U1438B
|
27°23.0111′N
|
134°19.1087′E
|
4700.5
|
30
|
257.3
|
227.04
|
88
|
—
|
257.3
|
1.64
|
APC cores (19); half-length APC cores (3)
|
|
U1438C
|
27°22.9963′N
|
134°19.0883′E
|
4700.2
|
—
|
—
|
—
|
—
|
65.0
|
65.0
|
0.77
|
Jet-in test
|
|
U1438D
|
27°23.0218′N
|
134°19.1023′E
|
4700.2
|
71
|
678.8
|
523.17
|
77
|
219.0
|
897.8
|
9.48
|
RCB pilot hole; FFF deployed; logging (~100−300 mbsf) with triple combo
|
|
U1438E
|
27°23.0153′N
|
134°19.0898′E
|
4700.0
|
85
|
743.7
|
450.73
|
61
|
867.3
|
1611.0
|
32.49
|
Reentry hole; casing to 605 mbsf; logging (600−1186 mbsf) with triple combo, GBM
|
|
U1438F
|
27°23.0167′N
|
134°19.0905′E
|
4699.9
|
—
|
—
|
—
|
—
|
700.0
|
700.0
|
5.08
|
Dedicated wireline logging hole: triple combo, FMS-sonic, VSI
|
|
Site U1438 totals:
|
189
|
1706.3
|
1225.84
|
|
1851.3
|
|
50.43
|
|