Earth science Terms Beginning with G:
- Gabbro
- Gabbros
- Gadolinite
- Gage Height
- Gaging Station
- Gahnite
- gaign
- gale
- gale warning
- Galena
- Galenite
- galerna
- galerne
- galerno
- gallego
- gallery
- Galofaro
- Gamma Ray Logs
- gangue
- Gannister
- gap
- garben
- garbin
- Garnet
- Garnierite
- garua
- gas cap
- gas clathrate
- gas column
- Gas Field
- gas floor
- gas hydrate
- gas pocket
- gas reservoir
- gas sand
- gas spurt
- gas zone
- gas-condensate reservoir
- gas-filled porosity
- gash fracture
- gash vein
- gathering ground
- Gathering Pipeline
- Gathering System
- gaufrage
- gauge
- Gault
- Gauss point
- Gaylussite
- GBAR
- GBM recrystallisation
- Geanticlinal
- geanticline
- gebli
- geg
- geking
- gelifluction
- gelifraction
- gelisol
- gelisolifluction
- geliturbation
- gelivation
- gelose
- gemstone
- gending
- general circulation
- generalized hydrostatic equation
- generalized transmission function
- generation surface
- Genesee Epoch
- genesis rocks
- genetic facies
- Genoa cyclone
- Genoa low
- gentle breeze
- geo
- geobotanical prospecting
- geocentric latitude
- geocentric longitude
- geocentric vertical
- geochemical anomaly
- geochemical balance
- geochemical cycle
- geochemical evolution
- geochemistry
- geochron
- Geochronology
- geochronometry
- geocorona
- geocosmogony
- Geocronite
- Geode
- geodesy
- geodetic astronomy
- geodetic coordinates
- geodetic datum
- geodetic equator
- geodetic gravimetry
- geodetic latitude
- geodetic line
- geodetic longitude
- geodetic meridian
- geodetic parallel
- geodetic position
- geodynamic height
- Geodynamics
- geodynamo
- geoeconomy
- geoelectricity
- geoflex
- geognosy
- Geographic Information Systems
- geographic latitude
- geographic longitude
- geographic meridian
- geographic parallel
- geographic position
- geographic range
- geographic vertical
- geographical coordinates
- geographical cycle
- geographical position
- geohydrology
- geoid
- geoisotherm
- geolith
- geologic age
- geologic climate
- geologic column
- geologic erosion
- geologic log
- geologic map
- geologic noise
- geologic province
- geologic section
- geologic structure
- geologic thermometry
- geologic time
- geologic time scale
- geological oceanography
- geological survey
- geological transportation
- geologist
- Geology
- geomagnetic coordinates
- geomagnetic cutoff
- geomagnetic dipole
- geomagnetic equator
- geomagnetic field
- geomagnetic field reversal
- geomagnetic latitude
- geomagnetic longitude
- geomagnetic meridian
- geomagnetic noise
- geomagnetic pole
- geomagnetic reversal
- geomagnetic secular variation
- geomagnetic storm
- geomagnetic variation
- geomagnetism
- geometric latitude
- geometric softening
- geometric vertical
- geometrical dip
- geometrical horizon
- geomorphic cycle
- Geomorphology
- geophysical fluid dynamics
- geophysicist
- geophysics
- geopotential height
- geopotential number
- geopotential surface
- geopotential thickness
- geopotential topography
- geopotential unit
- geopressure
- geopressurized geothermal system
- Georges Banks
- georgiaite
- geosere
- geosol
- geosophy
- geosphere
- geostatic pressure
- geostatistics
- geostrophic
- geostrophic approximation
- geostrophic assumption
- geostrophic current
- geostrophic departure
- geostrophic deviation
- geostrophic distance
- geostrophic equation
- geostrophic equilibrium
- geostrophic flow
- geostrophic flux
- geostrophic vorticity
- geostrophic wind
- geostrophic-wind level
- geostrophic-wind scale
- Geosynclinal
- geosynclinal couple
- geosynclinal cycle
- geosynclinal facies
- Geosyncline
- geotectogene
- geotectonic cycle
- geotectonics
- geotherm
- geothermal
- geothermal energy
- Geothermal Gradient
- geothermal system
- geothermometer
- geothermometry
- Germanite
- gestalt
- Geyser
- Geyserite
- gharbi
- gharra
- ghibli
- ghost structure
- giant's cauldron
- giant's kettle
- Gibbsite
- gibleh
- gibli
- giboulee
- Gieseckite
- Giinz
- Giinz-Mindel
- gio
- Girasole
- Gismondine
- glacial
- glacial abrasion
- glacial accretion
- glacial advance
- glacial anticyclone
- glacial boulder
- glacial deposit
- Glacial Drift
- Glacial Epoch
- glacial erosion
- glacial flour
- glacial flow
- glacial geology
- glacial high
- glacial ice
- glacial lake
- glacial lobe
- glacial maximum
- glacial mill
- glacial outwash
- glacial period
- glacial plucking
- Glacial Rebound
- glacial retreat
- glacial scour
- glacial striae
- Glacial Striations
- glacial till
- glacial trough
- Glacial Valley
- glacial varve
- Glaciated Rocks
- glaciated terrain
- glaciation
- glaciation limit
- Glacier
- glacier flow
- glacier front
- glacier ice
- glacier mill
- glacier pothole
- glacier table
- Glacier Theory
- glacier well
- glacier wind
- glacieret
- glacioeustasy
- glaciofluvial
- glacioisostasy
- glaciolacustrine
- glaciology
- Glance
- glance pitch
- glare ice
- Glass
- Glauberite
- Glaucodot
- Glauconite
- Glaucophane
- glave
- glaves
- glavis
- glaze
- gla‡on
- glessite
- gley
- glide fold
- glime
- glimmer ice
- global climate change
- global radiation
- global sea
- global warming potential
- globe lightning
- globigerina ooze
- Globulite
- gloom
- gloup
- glowing avalanche
- glowing cloud
- glyptolith
- Gmelinite
- Gneiss
- gneissic layering
- gneissosity
- gobi
- Goethite
- Gold
- Goldschmidt's mineralogical phase rule
- golfada
- Gondwana
- Gondwanaland
- gorge
- gorge wind
- gosling blast
- gosling storm
- Gossan
- Gotlandian
- gouge
- gowk storm
- gozzan
- gpu
- Graben
- gradation
- gradation period
- grade
- grade correction
- grade scale
- graded
- Graded Bedding
- graded profile
- graded stream
- gradient
- gradient current
- gradient flow
- gradient wind
- gradient-wind level
- grading
- grahamite
- grain
- grain boundary
- grain boundary area reduction
- grain boundary migration
- grain boundary misorientation map
- grain boundary sliding
- grain diminution
- grain lineation
- grain shape fabric
- grain shape preferred orientation
- grain size
- Grand Banks
- Granite
- granite series
- granite wash
- granitic batholith
- granoblastic fabric
- granular ice
- granular snow
- granule
- Granulite
- grapestone
- grapevine drainage
- Graphic tellurium
- graphic texture
- Graphite
- graptolite shale
- grass minimum
- grass temperature
- grassland climate
- graupel
- Gravel
- gravel bank
- gravel desert
- gravimetric geodesy
- gravitational convection
- gravitational settling
- gravitational sliding
- gravitational tide
- gravitational water
- Gravity Anomaly
- gravity drainage
- gravity drainage reservoir
- gravity erosion
- gravity fault
- gravity flow
- gravity map
- gravity slope
- gravity spring
- gravity tide
- gravity wind
- gravity-collapse structure
- grease ice
- Greasy
- Great Basin high
- great circle
- great diurnal range
- Great Ice Age
- great soil group
- great tropic range
- great-circle direction
- great-circle distance
- greater ebb
- greater flood
- greco
- green belt
- Green Earth
- green mud
- green sky
- green snow
- Greenhouse Effect
- greenhouse gases
- Greenland anticyclone
- Greenockite
- Greensand
- Greenstone
- greenstone belts
- Greenwich meridian
- gregale
- Greisen
- Grenville orogeny
- Grey Copper Ore
- Greystone
- grike
- grit
- groove
- groove casts
- gross-austausch
- Grossular
- ground
- ground discharge
- ground fog
- ground frost
- ground ice
- ground ice mound
- ground inversion
- ground layer
- Ground Mass
- Ground Moraine
- ground noise
- ground pressure
- ground streamer
- ground swell
- ground truth measurements
- ground visibility
- Ground Water
- Ground Water Recharge Area
- ground-to-cloud discharge
- grounded ice
- groundwater
- groundwater decrement
- groundwater depletion curve
- groundwater discharge
- groundwater flow
- groundwater hydrology
- groundwater increment
- groundwater level
- groundwater recession
- groundwater recharge
- groundwater replenishment
- group
- group number
- grower's year
- growl
- growler
- growth competition
- growth inclusion
- growth lattice
- growth twin
- grus
- gruss
- gryke
- GSPO
- Guadalupian
- guba
- guest element
- Guiana Current
- Guinea Current
- gulch
- gulf
- Gulf Stream
- Gulf Stream Countercurrent
- Gulf Stream eddy
- Gulf Stream front
- Gulf Stream meander
- Gulf Stream system
- Gulfian
- gully
- gully erosion
- gully-squall
- gumbo
- gumbotil
- Gummite
- gust
- gustiness
- gustiness components
- gustiness factor
- gut
- guti weather
- guttra
- guxen
- Guyot
- guzzle
- Gymnite
- gypcrete
- gypsite
- Gypsum
- gypsum earth
- gyre
- gyttja
