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Table T4. Wireline tool string downhole measurements, Expedition 327. (See table notes.)

Sampling interval
Approximate vertical resolution (cm)
LEH Spontaneous potential (qualitative) 15 NA
HNGS Spectral gamma ray 15 51
HLDS Bulk density, PEF, caliper 15 38
MTT Borehole fluid temperature 15 NA
GPIT Tool orientation, downhole motion 15 NA
UBI Ultrasonic image, caliper 0.5–2.5 0.5–2.5

Notes: LEH, HNGS, HLDS, GPIT, and UBI are trademarks of Schlumberger. For definitions of tool acronyms, see Table T5. NA = not applicable. PEF = photoelectric effect.

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