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Table T5. Measurements made by the wireline tool strings.

Tool string Tool Measurement Sampling
interval (cm)
Approximate vertical
resolution (cm)
Formation MicroScanner (FMS)-sonic combination FMS Microresistivity 0.25 0.5
  GPIT Tool orientation 0.25 and 15 NA
  NGT/SGT Spectral gamma ray/total gamma ray 15 46/NA
  BHC Acoustic velocity 15 61

Notes: All tool and tool string names are trademarks of Schlumberger. For the complete list of acronyms used in IODP and for additional information about tool physics and use consult IODP Logging Services at​TOOLS_LABS.

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