ice pack - induced-polarization profiling
- immersion
- immersion medium
- immersion method
- immiscibility
- immisiblity
- Imnyakh suite
- impact
- impact breaker
- impact crusher
- impact crushing
- impact excitation
- impact fuse
- impact screen
- impactite
- impactor
- impalpable structure
- impasse
- impedance tensor
- impeller blade
- impeller passage
- imperfect cleavage
- imperfectly elastic medium
- imperfectly recorded shock
- imperforata
- imperforate
- imperforate gastropods
- imperforated
- imperial screen
- impermeability
- impermeable barrier
- impermeable bed
- impermeable concrete
- impermeable confining beds
- impermeable groin
- impermeable seam
- impervious
- impervious break
- impervious clay
- impervious rock
- impervious strata