Table T7. Specifications of downhole tools deployed during Leg 178.
Tool string | Tool | Measurement | Sample
interval (cm) |
Approximate vertical resolution (cm) |
---|---|---|---|---|
Triple combination (TC) |
HNGS |
Natural gamma |
15 |
45 |
APS |
Porosity |
5 and 15 |
30 |
|
HLDS |
Bulk density, PEF |
2.5 and 15 |
15/45 |
|
DIT |
Resistivity |
2.5 and 15 |
200/150/75 |
|
Temperature tool |
Temperature |
1 per second |
-- |
|
FMS-sonic |
NGT |
Natural gamma |
15 |
45 |
GPIT |
Tool orientation and acceleration |
15 |
-- |
|
SDT |
Sonic velocity |
15 |
120 |
|
FMS |
Resistivity image |
0.25 |
0.5 |
|
GHMT |
NGT |
Natural gamma |
15 |
45 |
SUMS |
Susceptibility |
5 and 15 |
35 |
|
NMRS |
Total magnetic field |
5 and 15 |
45 |
|
WST |
WST |
Sonic traveltime |
-- |
-- |
Notes: Other acronyms defined in Table T8, -- = not applicable.