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Table T13. Acronyms and units used for downhole wireline tools and measurements, Expedition 329.

Tool Output Explanation Unit
DIT   Dual Induction Tool  
  IDPH Deep induction resistivity Ωm
  IMPH Medium induction resistivity Ωm
  SFLU Spherically focused resistivity Ωm
FMS   Formation MicroScanner  
  C1, C2 Orthogonal hole diameters Inch
  P1AZ Pad 1 azimuth Degrees
    Spatially oriented resistivity images of borehole wall  
GPIT   General Purpose Inclinometry Tool  
  DEVI Hole deviation Degrees
  HAZI Hole azimuth Degrees
  Fx, Fy, Fz Earth's magnetic field (three orthogonal components) Degrees
  Ax, Ay, Az Acceleration (three orthogonal components) m/s2
HLDS   Hostile Environment Litho-Density Sonde  
  RHOM Bulk density g/cm3
  PEFL Photoelectric effect barn/e
  LCAL Caliper (measure of borehole diameter) Inch
  DRH Bulk density correction g/cm3
HNGS   Hostile Environment Gamma Ray Sonde  
  HSGR Standard (total) gamma ray gAPI
  HCGR Computed gamma ray (HSGR minus uranium contribution) gAPI
  HFK Potassium wt%
  HTHO Thorium ppm
  HURA Uranium ppm

For the complete list of acronyms used in IODP and for additional information about tool physics, consult IODP-USIO Science Services, LDEO, at iodp.ldeo.columbia.edu/TOOLS_LABS/tools.html.

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