geodes  search
BTsedimentary structures
 .secondary structures
 ..geodes
UFthunder eggs
RTconcretions
 vugs
geodesy  search
RTengineering geology
 geophysical methods
 Doppler effect
 geophysical surveys
 cartography
 geomorphology
 altimetry
 deformation
 Earth
 baseline studies
 coordinates
 exploration
 geodetic coordinates
 Earth tides
 figure of Earth
 ellipticity
 geoid
 geodetic networks
SNUsed infrequently and for geologic applications only. For the Moon, use selenodesy.