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Use of Geophysics for Transportation Projects (2006) / Chapter Skim
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Glossary
Pages 28-30

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
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From page 28...
... Induced polarization (IP) -- geophysical effect whereby electrical charge is momentarily polarized within a material, usually a disseminated ore or a clay.
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From page 29...
... Seismic refraction -- surface geophysical method recording seismic waves refracted by geological strata. Seismic velocity -- if the ground is stressed by a hammer blow or explosion, three types of waves propagate into the subsurface; P-Primary waves, S-Secondary waves, and Surface waves.
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From page 30...
... Televiewer logging provides actual pictures of the borehole or casing surface. Young's modulus -- ratio of normal stress to strain in the loading plane.
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Key Terms

  • surface waves
  • complex resistivity
  • geophysical method
  • loading plane
  • investigation method

  • gravity owing
  • geophysical methods
  • field strength
  • acoustic wave
  • method recording

  • method whereby
  • seismic waves
  • analyzes dispersion
  • induced polarization
  • spectral induced

  • variable magnetic
  • isotropic material
  • electrical response
  • isotropic ground
  • electrical charge

  • field ratios
  • larger force
  • electric currents
  • electric fields
  • lateral density

  • store electrical
  • geologic units
  • seismic geophysical
  • body wave
  • seismic reflection


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